200多个js技巧代码

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1.文本框焦点问题onBlur:当失去输入焦点后产生该事件onFocus:当输入获得焦点后，产生该文件Onchange:当文字值改变时，产生该事件Onselect:当文字加亮后，产生该文件<input type="text" value="mm" onfocus="if(value=='mm) {value=''}" onblur="if(value=='') {value='mm'}">点击时文字消失，失去焦点时文字再出现2.网页按钮的特殊颜色<input type=button name="Submit1" value="郭强" size=10 class=s02style="background-color:rgb(235,207,22)">3.鼠标移入移出时颜色变化<input type="submit" value="找吧" name="B1" onMouseOut=this.style.color="blue"onMouseOver=this.style.color="red"  class="button">4.平面按钮<input type=submit value=订阅 style="border:1px solid :#666666; height:17px; width:25pt; font-size:9pt;BACKGROUND-COLOR: #E8E8FF; color:#666666" name="submit">5.按钮颜色变化<input type=text name="nick"  style="border:1px solid #666666;  font-size:9pt;  height:17px;BACKGROUND-COLOR: #F4F4FF; color:#ff6600" size="15" maxlength="16">6.平面输入框<input type="text" name="T1" size="20" style="border-style: solid; border-width: 1">7.使窗口变成指定的大小<script>window.resizeTo(300,283);</script>8.使文字上下滚动<marquee direction=up scrollamount=1 scrolldelay=100 onmouseover='this.stop()' onmouseout='this.start()'height=60><!-- head_scrolltext --><tr><td>共和国</table>        <!-- end head_scrolltext --></marquee>9.状态栏显示该页状态<base onmouseover="window.status='网站建设 http://www.webmake.cn/' ;return true">10.可以点击文字实现radio选项的选定<br>    <input type="radio" name="regtype" value="A03" id="A03"><label for="A03"> 情侣 : 一次注册两个帐户</label> <br>11.可以在文字域的font写onclick事件12.打印</a>打印网页<a href='javascript:window.print ()'>13.线型输入框<input type="text" name="key"  size="12" value="关键字" onFocus=this.select() onMouseOver=this.focus()class="line">14.显示文档最后修改日期<script language=javascript>function hi(str){ document.write(document.lastModified) alert("hi"+str+"!")}</script>15.可以在鼠标移到文字上时就触发事件<html><head><script language="LiveScript"><!-- Hiding     function hello() {       alert("哈罗!");     }</script></head><body><a href="" onMouseOver="hello()">link</a></body></html>16.可以根据网页上的选项来确定页面颜色<HTML><HEAD> <TITLE>background.html</TITLE></HEAD><SCRIPT><!--function bgChange(selObj) { newColor = selObj.options[selObj.selectedIndex].text; document.bgColor = newColor; selObj.selectedIndex = -1; }//--></SCRIPT><BODY STYLE="font-family:Arial"><B>Changing Background Colors</B><BR> <FORM>  <SELECT SIZE="8" onChange="bgChange(this);">  <OPTION>Red  <OPTION>Orange  <OPTION>Yellow  <OPTION>Green  <OPTION>Blue  <OPTION>Indigo  <OPTION>Violet  <OPTION>White <OPTION>pink  </SELECT> </FORM></BODY></HTML>17.将按钮的特征改变<style type="text/css"><!--.style1 { font-size: 12px; background: #CCCCFF; border-width: thin thin thin thin; border-color: #CCCCFF#CCCCCC #CCCCCC #CCCCFF}.style2 { font-size: 12px; font-weight: bold; background: #CCFFCC; border-width: thin medium medium thin;border-color: #CCFF99 #999999 #999999 #CCFF99}--></style>　　本例按钮的代码如下：<input type="submit" name="Submit" value="提 交" onmouseover="this.className='style2'"onmouseout="this.className='style1'" class="style1">18.改变按钮的图片.<style type="text/css"><!--.style3 { font-size: 12px; background: url(image/buttonbg1.gif); border: 0px; width: 60px; height: 22px}.style4 { font-size: 12px; font-weight: bold; background: url(image/buttonbg2.gif); border: 0px 0; width:60px; height: 22px}--></style>　　本例的按钮代码如下：<input type="submit" name="Submit2" value="提 交" onmouseover="this.className='style4'"onmouseout="this.className='style3'" class="style3">19.打印页面<div align="center"><a class=content href="javascript:doPrint();">打印本稿</a></div>20.可以直接写html语言document.write("");21.改变下拉框的颜色<select name="classid"onChange="changelocation(document.myform.classid.options[document.myform.classid.selectedIndex].value)"size="1" style="color:#008080;font-size: 9pt">22.转至目标URLwindow.location="http://guoguo"23.传递该object的formUpdateSN('guoqiang99267',this.form)function UpdateSN(strValue,strForm){  strForm.SignInName.value = strValue;  return false;}24.文字标签<label for="AltName4"><input name="AltName" type="RADIO" tabindex="931"  id="AltName4">guoqiang99859</label>25.layer2为组件的ID，可以控制组件是否可见document.all.item('Layer2').style.display = "block";document.all.item('Layer2').style.display = "none";//26.将页面加入favorite中<script language=javascript><!--function Addme(){url = "http://your.site.address"; //你自己的主页地址title = "Your Site Name"; //你自己的主页名称window.external.AddFavorite(url,title);--></script>//27.过10秒自动关闭页面< script language="JavaScript" >function closeit() {setTimeout("self.close()"，10000)}< /script >28.可以比较字符的大小char=post.charAt(i);if(!('0'<=char&&char<='9'))29.将字符转化为数字month = parseInt(char)30.点击value非空的选项时转向指定连接 <select onchange='if(this.value!="")window.open(this.value)' class="textinput">    <option selected>主办单位</option>    <option>-----------------</option>    <option value="http://www.bjd.com.cn/">北京日报</option>    <option value="http://www.ben.com.cn/">北京晚报</option></select>31.改变背景颜色<td width=* class=dp bgColor=#FAFBFC onmouseover="this.bgColor='#FFFFFF';"onmouseout="this.bgColor='#FAFBFC';">32.改变文字输入框的背景颜色<style>.input2 {background-image: url('../images/inputbg.gif');   font-size: 12px; background-color:#D0DABB;border-top-width:1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}</style><input name=content type=text size="47" class="input2" maxlength="50">33.改变水平线的特征<hr size="0" noshade color="#C0C0C0">34.传递参数的方式<a href="vote.asp?CurPage=8&id=3488">8</a>35.页内跳转<a href="#1">1</a><a href="#2">2</a><a href="#3">3</a><a href="#4">4</a><a href="#5">5</a><a href="#6">6</a><a href="#7">7</a><a name="1">dfdf</a><a name="2">dfdf</a>//36.两个按键一起按下if(event.ctrlKey && window.event.keyCode==13)//37.刷新页面javascript:this.location.reload()//38.将网页的按钮使能<SCRIPT LANGUAGE="JavaScript">function haha(){ for(var i=0;i<document.form1.elements.length;i++) {  if(document.form1.elements[i].name.indexOf("bb")!=-1)   document.form1.elements[i].disabled=!document.form1.elements[i].disabled; }}</SCRIPT><BODY><form name=form1><INPUT TYPE="button" NAME="aa "  value=cindy onclick=haha()><INPUT TYPE="button" NAME="bb " value=guoguo><INPUT TYPE="button" NAME="bb " value=guoguo>39.文字移动<marquee scrollamount=3 onmouseover=this.stop(); onmouseout=this.start();>40.双击网页自动跑<SCRIPT LANGUAGE="JavaScript">var currentpos,timer;function initialize(){ timer=setInterval("scrollwindow()",1);}function sc(){ clearInterval(timer);}function scrollwindow(){ currentpos=document.body.scrollTop; window.scroll(0,++currentpos); if (currentpos != document.body.scrollTop)  sc();}document.onmousedown=scdocument.ondblclick=initialize</SCRIPT>//41.后退<INPUT TYPE="button" onclick=window.history.back() value=back>42.前进<INPUT TYPE="button" onclick=window.history.forward() value=forward>43.刷新<INPUT TYPE="button" onclick=document.location.reload() value=reload>44.转向指定网页document.location="http://ww"或者document.location.assign("http://guoguo.com")45.在网页上显示实时时间<SCRIPT LANGUAGE="JavaScript">var clock_id;window.onload=function(){ clock_id=setInterval("document.form1.txtclock.value=(new Date);",1000)}</SCRIPT>//46.可以下载文件document.location.href="目标文件"//47.连接数据库import java.sql.*;String myDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";Class.forName(myDBDriver);Connection conn=DriverManager.getConnection("jdbc:odbc:firm","username","password");Statement stmt=conn.createStatement();ResultSet rs=stmt.executeQuery(sql);rs.getString("column1");//48.可以直接在页面“div”内写下所需内容<INPUT TYPE="button" onclick="a1.innerHTML='<font color=red>*</font>'"><div id=a1></div>//49.可以改变页面上的连接的格式，使其为双线<style>A:link {text-decoration: none; color:#0000FF; font-family: 宋体}A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}A:hover {text-decoration: underline overline; color: FF0000}</style><style>A:link {text-decoration: none; color:#0000FF; font-family: 宋体}A:visited {text-decoration: none; color: #0000FF; font-family: 宋体}A:hover {text-decoration: underline overline line-through; color: FF0000}TH{FONT-SIZE: 9pt}TD{FONT-SIZE: 9pt}body {SCROLLBAR-FACE-COLOR: #A9D46D; SCROLLBAR-HIGHLIGHT-COLOR: #e7e7e7;SCROLLBAR-SHADOW-COLOR:#e7e7e7;SCROLLBAR-3DLIGHT-COLOR: #000000; LINE-HEIGHT: 15pt; SCROLLBAR-ARROW-COLOR: #ffffff;SCROLLBAR-TRACK-COLOR: #e7e7e7;}INPUT{BORDER-TOP-WIDTH: 1px; PADDING-RIGHT: 1px; PADDING-LEFT: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE:9pt; BORDER-LEFT-COLOR: #cccccc;BORDER-BOTTOM-WIDTH: 1px; BORDER-BOTTOM-COLOR: #cccccc; PADDING-BOTTOM: 1px; BORDER-TOP-COLOR: #cccccc;PADDING-TOP: 1px; HEIGHT: 18px; BORDER-RIGHT-WIDTH: 1px; BORDER-RIGHT-COLOR: #cccccc}DIV,form ,OPTION,P,TD,BR{FONT-FAMILY: 宋体; FONT-SIZE: 9pt}textarea, select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体;font-size: 9pt; font-style: bold;}.text { font-family: "宋体"; font-size: 9pt; color: #003300; border: #006600 solid; border-width: 1px 1px1px 1px}</style>完整的css50.新建frame<ahref="javascript:newframe('http://www.163.net/help/a_little/index.html','http://www.163.net/help/a_little/a_13.html')"><img alt=帮助 border=0 src="http://bjpic.163.net/images/mail/button-help.gif"></a>

106.动态改变类型<style>.Overnone { border-width:0;background-color:darkblue;cursor:default;color:gold;width:115}.Outnone   {border-width:0;background-color:white;cursor:default;width:115}</style><input class=Outnone onmouseover=this.className='Overnone' >//107.页面翻转<html dir=rtl></html>//108.滚屏parent.scroll(x,y);//<body onload="s=0" onDblClick="s=setInterval('scrollBy(0, 1)',10)" onClick="clearInterval(s)">//109.改变状态栏self.status ="";//110.改变窗口大小window.resizeTo(200,300);//111.改变鼠标样式styleBODY{CURSOR: url('mouse.ani');SCROLLBAR-BASE-COLOR: #506AA8;SCROLLBAR-ARROW-COLOR: #14213F;}//112.背景透明<input type="button" value="Button" style="background-color: transparent; border: 0;">//113.鼠标为等待形状<input type=button onclick="this.style.cursor='wait'">//114.调用父窗口的函数opener.fucntion1();//115.body的内部html代码<input type="button" onclick="alert(code.document.body.innerHTML)" value="查看">//116.框架中调用父窗口的函数<INPUT TYPE='button' onclick='parent.test();' value='调用parent窗口的函数'>//117.交换节点<table  width=200  height=200  border><tr><td  id=c1>CELL_1</td></tr><tr><td  id=c2>CELL_2</td></tr></table><br><input  type="button"  value="swap  row"  onclick="c1.swapNode(c2)">//118.删除节点<table  width=200  height=200  border><tr id=trall><td  id=c1>CELL_1</td></tr><tr><td  id=c2>CELL_2</td></tr></table><br><input  type="button"  value="swap  row"  onclick="trall.removeNode(c2)">//119.添加节点addNode()//120.获得事件的父与子标签event.srcElement.children[0]和event.srcElement.parentElement // 121.集中为按钮改变颜色<style>button{benc:expression(this.onfocus = function(){this.style.backgroundColor='#E5F0FF';})}</style><button>New</button>//122.判断是左键还是右键被按下<body onmousedown=if(event.button==1)alert("左键");if(event.button==2)alert("右键")>//123.获得操作系统的名称和浏览器的名称document.write(navigator.userAgent)// 124.alt/ctrl/shift键按下event.altKey //按下alt键event.ctrlKey //按下ctrl键event.shiftKey //按下shift键 125.将当前位置定位为C盘。{window.location="c:"}//126.返回输入框的类型<script>alert(event.srcElement.type);//</script>127.模拟控件的单击事件<INPUT TYPE="hidden" name="guoguo" onclick="haha()"><SCRIPT LANGUAGE="JavaScript"><!--function haha(){ alert();}guoguo.click();//--></SCRIPT>// 128.取出记录集的列名java.sql.ResultSet rset = com.bsitc.util.DBAssist.getIT().executeQuery(queryStatement, conn);java.sql.ResultSetMetaData metaData = rset.getMetaData();int count = metaData.getColumnCount();String name = metaData.getColumnName(i);String value = rset.getString(i);//129.格式化数字function format_number(str,digit){ if(isNaN(str)) {  alert("您传入的值不是数字！");  return 0; } else if(Math.round(digit)!=digit) {  alert("您输入的小数位数不是整数！");  return 0; } else  return Math.round(parseFloat(str)*Math.pow(10,digit))/Math.pow(10,digit);}130.回车按钮转化为tab按钮if(event.keyCode==13) event.keyCode=9; //将 131.滚动条滚动<button onclick="text1.scrollTop=text1.scrollHeight">Scroll</button><br><textarea id="text1" cols=50 rows=10>111111111111111</textarea>// 132.判断是什么对象if(typeof(unknown)=="function")return true;if(typeof(unknown)!="object")return false;// 133.取消文本框自动完成功能<input type="text" autocomplete="off"> //134.让下拉框自动下拉<select onmouseover="javascript:this.size=this.length" onmouseout="javascript:this.size=1"><option value="">1</option><option value="">2</option><option value="">3</option></select> // 135.读取XML文件var childrenobj=myselect//document.all.myselect;    var oXMLDoc = new ActiveXObject('MSXML');    oXMLDoc.url = "mymsg.xml";    var oRoot=oXMLDoc.root;    if(oRoot.children != null) {        for(var i=0;i<oRoot.children.item(0).children.length;++i)  {            oItem = oRoot.children.item(0).children.item(i);            oOption = new Option(oItem.text,oItem.value);   childrenobj.add(oOption);        }    }//mymsg.xml文件<?xml version="1.0" encoding="gb2312" ?><childrenlist><aa><child value='3301'>杭州地区</child><child value='3303'>温州地区</child></aa><aa><child value='3310'>台州地区</child><child value='3311'>丽水地区</child></aa></childrenlist>// 136.点击图片，图片停止<a href="javascript:"><img src="http://www.51js.com/images/51js/red_forum.gif" border="0"></a>//137.显示本地计算机信息var WshNetwork = new ActiveXObject("WScript.Network");alert("Domain = " + WshNetwork.UserDomain);alert("Computer Name = " + WshNetwork.ComputerName);alert("User Name = " + WshNetwork.UserName);// 138.比较时间  tDate = new Date(2004,01,08,14,35); //年,月，日，时，分  dDate = new Date();  tDate<dDate?alert("早于"):alert("晚于");//139.弹出鼠标所在处的链结地址  <body onmouseover="if (event.srcElement.tagName=='A')alert(event.srcElement.href)"><ahref="http://51js.com/viewthread.php?tid=13589" >dddd</a><input>//140.注意不能通过与 undefined 做比较来测试一个变量是否存在，虽然可以检查它的类型是否为“undefined”。在以下的代码范例中，假设程序员想测试是否已经声明变量 x ：// 这种方法不起作用if (x == undefined)    // 作某些操作// 这个方法同样不起作用- 必须检查// 字符串 "undefined"if (typeof(x) == undefined)    // 作某些操作// 这个方法有效if (typeof(x) == "undefined")    // 作某些操作141.创建具有某些属性的对象var myObject = new Object();myObject.name = "James";myObject.age = "22";myObject.phone = "555 1234";//142.枚举（循环）对象的所有属性for (var a in myObject){    // 显示 "The property 'name' is James"，等等。    window.alert("The property '" + a + "' is " + myObject[a]);}//143.判断一个数字是否是整数var a=23.2;alert(a%1==1)//144.新建日期型变量var a = new Date(2000, 1, 1);alert(a.toLocaleDateString());145.给类定义新的方法function trim_1(){  return this.replace(/(^\s*)|(\s*$)/g, "");}String.prototype.trim=trim_1;alert('cindy'.trim()); 146.定义一个将日期类型转化为字符串的方法function guoguo_date(){ var tmp1,tmp2; tmp1 =this.getMonth()+1+""; if(tmp1.length<2)  tmp1="0"+tmp1; tmp2 =this.getDate()+""; if(tmp2.length<2)  tmp2="0"+tmp2;  return this.getYear()+"-"+tmp1+"-"+tmp2;}Date.prototype.toLiteString=guoguo_date;alert(new Date().toLiteString()) 147. pasta 是有四个参数的构造器,定义对象。function pasta(grain, width, shape, hasEgg){    // 是用什么粮食做的？    this.grain = grain;    // 多宽？（数值）    this.width = width;        // 横截面形状？（字符串）    this.shape = shape;      // 是否加蛋黄？（boolean）    this.hasEgg = hasEgg;     //定义方法    this.toString=aa;}function aa(){ ;}//定义了对象构造器后，用 new 运算符创建对象实例。var spaghetti = new pasta("wheat", 0.2, "circle", true);var linguine = new pasta("wheat", 0.3, "oval", true);//补充定义属性，spaghetti和linguine都将自动获得新的属性pasta.prototype.foodgroup = "carbohydrates"; 148.打印出错误原因try{ x = y   // 产生错误。}catch(e){   document.write(e.description)   //打印 "'y' is undefined".}//149.生成EXCEL文件并保存var ExcelSheet;ExcelApp = new ActiveXObject("Excel.Application");ExcelSheet = new ActiveXObject("Excel.Sheet");//本代码启动创建对象的应用程序（在这种情况下，Microsoft Excel 工作表）。一旦对象被创建，就可以用定义的对象变量在代码中引用它。 在下面的例子中，通过对象变量 ExcelSheet 访问新对象的属性和方法和其他 Excel 对象，包括 Application 对象和 ActiveSheet.Cells 集合。// 使 Excel 通过 Application 对象可见。ExcelSheet.Application.Visible = true;// 将一些文本放置到表格的第一格中。ExcelSheet.ActiveSheet.Cells(1,1).Value = "This is column A, row 1";// 保存表格。ExcelSheet.SaveAs("C:\\TEST.XLS");// 用 Application 对象用 Quit 方法关闭 Excel。ExcelSheet.Application.Quit();//150.根据标签获得一组对象var coll = document.all.tags("DIV");if (coll!=null){for (i=0; i<coll.length; i++)...}//

151.实现打印预览及打印<OBJECT classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height=0 id=wb name=wb width=0></OBJECT><input type=button value=打印预览 onclick="wb.execwb(7,1)"><input type=button onClick=document.all.wb.ExecWB(6,1) value="打印">//152.不通过form，直接通过名字引用对象<INPUT TYPE="text" NAME="gg" value=aaaaa><SCRIPT LANGUAGE="JavaScript"><!--alert(document.all.gg.value)//--></SCRIPT>//153.使鼠标滚轮失效function document.onmousewheel(){ return false;}// 154.创建弹出窗口<SCRIPT LANGUAGE="JScript">  var oPopup = window.createPopup();  var oPopupBody = oPopup.document.body;  oPopupBody.innerHTML = "Display some <B>HTML</B> here.";  oPopup.show(100, 100, 200, 50, document.body);</SCRIPT>//155.取得鼠标所在处的对象var obj = document.elementFromPoint(event.x,event.y);//156.获得左边的对象<INPUT TYPE="text" NAME="gg"><INPUT TYPE="text" NAME="bb"onclick="this.previousSibling.value='guoguo'">//157.定位鼠标document.all.hint_layer.style.left  = event.x+document.body.scrollLeft+10;document.all.hint_layer.style.top  = event.y+document.body.scrollTop+10;//158.向下拉框指定位置添加项目var op  = document.createElement("OPTION");document.all.selected_items.children(index).insertAdjacentElement("BeforeBegin",op);op.text  = document.all.all_items[i].text;op.value = document.all.all_items[i].value;// 159.判断一个窗口是否已经打开，如果已经打开，则关闭之var a;if(a) a.close();else a=window.open('','','');//160.动态创建一个标签newElem  = document.createElement("DIV");newElem.id = "hint_layer";document.body.appendChild(newElem);document.all.hint_layer.innerText="guoguo";//161.标题栏document.title//162.背景图片<body style="BACKGROUND-ATTACHMENT: fixed" background="img/bgfix.gif" ></body>//背景图片不动<STYLE TYPE="text/css"><!--BODY {background-image:img/bgchild.jpg;background-position: center;background-repeat: no-repeat;background-attachment: fixed;}--></STYLE>//背景图片居中163.设置透明效果document.form.xxx.filters.alpha.opacity=0～100//164.定义方法var dragapproved=false;document.onmouseup=new Function("dragapproved = false");// 165.将数字转化为人民币大写形式function convertCurrency(currencyDigits) {// Constants: var MAXIMUM_NUMBER = 99999999999.99; // Predefine the radix characters and currency symbols for output: var CN_ZERO = "零"; var CN_ONE = "壹"; var CN_TWO = "贰"; var CN_THREE = "叁"; var CN_FOUR = "肆"; var CN_FIVE = "伍"; var CN_SIX = "陆"; var CN_SEVEN = "柒"; var CN_EIGHT = "捌"; var CN_NINE = "玖"; var CN_TEN = "拾"; var CN_HUNDRED = "佰"; var CN_THOUSAND = "仟"; var CN_TEN_THOUSAND = "万"; var CN_HUNDRED_MILLION = "亿"; var CN_SYMBOL = "人民币"; var CN_DOLLAR = "元"; var CN_TEN_CENT = "角"; var CN_CENT = "分"; var CN_INTEGER = "整"; // Variables: var integral; // Represent integral part of digit number. var decimal; // Represent decimal part of digit number. var outputCharacters; // The output result. var parts; var digits, radices, bigRadices, decimals; var zeroCount; var i, p, d; var quotient, modulus; // Validate input string: currencyDigits = currencyDigits.toString(); if (currencyDigits == "") {  alert("Empty input!");  return ""; } if (currencyDigits.match(/[^,.\d]/) != null) {  alert("Invalid characters in the input string!");  return ""; } if ((currencyDigits).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) {  alert("Illegal format of digit number!");  return ""; } // Normalize the format of input digits: currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters. currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning. // Assert the number is not greater than the maximum number. if (Number(currencyDigits) > MAXIMUM_NUMBER) {  alert("Too large a number to convert!");  return ""; } // Process the coversion from currency digits to characters: // Separate integral and decimal parts before processing coversion: parts = currencyDigits.split("."); if (parts.length > 1) {  integral = parts[0];  decimal = parts[1];  // Cut down redundant decimal digits that are after the second.  decimal = decimal.substr(0, 2); } else {  integral = parts[0];  decimal = ""; } // Prepare the characters corresponding to the digits: digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT,CN_NINE); radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND); bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION); decimals = new Array(CN_TEN_CENT, CN_CENT); // Start processing: outputCharacters = ""; // Process integral part if it is larger than 0: if (Number(integral) > 0) {  zeroCount = 0;  for (i = 0; i < integral.length; i++) {   p = integral.length - i - 1;   d = integral.substr(i, 1);   quotient = p / 4;   modulus = p % 4;   if (d == "0") {    zeroCount++;   }   else {    if (zeroCount > 0)    {     outputCharacters += digits[0];    }    zeroCount = 0;    outputCharacters += digits[Number(d)] + radices[modulus];   }   if (modulus == 0 && zeroCount < 4) {    outputCharacters += bigRadices[quotient];   }  }  outputCharacters += CN_DOLLAR; } // Process decimal part if there is: if (decimal != "") {  for (i = 0; i < decimal.length; i++) {   d = decimal.substr(i, 1);   if (d != "0") {    outputCharacters += digits[Number(d)] + decimals[i];   }  } } // Confirm and return the final output string: if (outputCharacters == "") {  outputCharacters = CN_ZERO + CN_DOLLAR; } if (decimal == "") {  outputCharacters += CN_INTEGER; } outputCharacters = CN_SYMBOL + outputCharacters; return outputCharacters;}// 166.xml数据岛绑定表格<html><body><xml id="abc" src="test.xml"></xml><table border='1' datasrc='#abc'><thead><td>接收人</td><td>发送人</td><td>主题</td><td>内容</td></thead><tfoot><tr><th>表格的结束</th></tr></tfoot><tr><td><div datafld="to"></div></td><td><div datafld="from"></div></td><td><div datafld="subject"></div></td><td><div datafld="content"></div></td></tr></table></body></html>//cd_catalog.xml<?xml version="1.0" encoding="ISO-8859-1" ?> <!--  Edited with XML Spy v4.2  --> <CATALOG> <CD>  <TITLE>Empire Burlesque</TITLE>  <ARTIST>Bob Dylan</ARTIST>  <COUNTRY>USA</COUNTRY>  <COMPANY>Columbia</COMPANY>  <PRICE>10.90</PRICE>  <YEAR>1985</YEAR>  </CD> <CD>  <TITLE>Hide your heart</TITLE>  <ARTIST>Bonnie Tyler</ARTIST>  <COUNTRY>UK</COUNTRY>  <COMPANY>CBS Records</COMPANY>  <PRICE>9.90</PRICE>  <YEAR>1988</YEAR>  </CD> <CD>  <TITLE>Greatest Hits</TITLE>  <ARTIST>Dolly Parton</ARTIST>  <COUNTRY>USA</COUNTRY>  <COMPANY>RCA</COMPANY>  <PRICE>9.90</PRICE>  <YEAR>1982</YEAR>  </CD> <CD>  <TITLE>Still got the blues</TITLE>  <ARTIST>Gary Moore</ARTIST>  <COUNTRY>UK</COUNTRY>  <COMPANY>Virgin records</COMPANY>  <PRICE>10.20</PRICE>  <YEAR>1990</YEAR>  </CD></CATALOG>//167.以下组合可以正确显示汉字================================xml保存编码 xml页面指定编码ANSI  gbk/GBK、gb2312Unicode  unicode/UnicodeUTF-8  UTF-8================================ 168.XML操作<xml id="xmldata" src="/data/books.xml"><div id="guoguo"></div><script>var x=xmldata.recordset //取得数据岛中的记录集if(x.absoluteposition < x.recordcount) //如果当前的绝对位置在最后一条记录之前{ x.movenext();     //向后移动 x.moveprevious();    //向前移动 x.absoluteposition=1;   //移动到第一条记录 x.absoluteposition=x.recordcount;//移动到最后一条记录，注意记录集x.absoluteposition是从1到记录集记录的个数的 guoguo.innerText=xmldso.recordset("field_name"); //从中取出某条记录}</script>

169.动态修改CSS的另一种方式this.runtimeStyle.cssText = "color:#990000;border:1px solid #cccccc";//170.正则表达式匹配中文字符的正则表达式： [\u4e00-\u9fa5]匹配双字节字符(包括汉字在内)：[^\x00-\xff]应用：计算字符串的长度（一个双字节字符长度计2，ASCII字符计1）String.prototype.len=function(){return this.replace([^\x00-\xff]/g,"aa").length;}匹配空行的正则表达式：\n[\s| ]*\r匹配HTML标记的正则表达式：/<(.*)>.*<\/\1>|<(.*) \/>/匹配首尾空格的正则表达式：(^\s*)|(\s*$)应用：javascript中没有像vbscript那样的trim函数，我们就可以利用这个表达式来实现，如下：String.prototype.trim = function(){    return this.replace(/(^\s*)|(\s*$)/g, "");}////////利用正则表达式分解和转换IP地址：下面是利用正则表达式匹配IP地址，并将IP地址转换成对应数值的Javascript程序：function IP2V(ip){ re=/(\d+)\.(\d+)\.(\d+)\.(\d+)/g  //匹配IP地址的正则表达式if(re.test(ip)){return RegExp.$1*Math.pow(255,3))+RegExp.$2*Math.pow(255,2))+RegExp.$3*255+RegExp.$4*1}else{ throw new Error("Not a valid IP address!")}}不过上面的程序如果不用正则表达式，而直接用split函数来分解可能更简单，程序如下：var ip="10.100.20.168"ip=ip.split(".")alert("IP值是："+(ip[0]*255*255*255+ip[1]*255*255+ip[2]*255+ip[3]*1))匹配Email地址的正则表达式：\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*匹配网址URL的正则表达式：http://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?//////////利用正则表达式去除字串中重复的字符的算法程序：var s="abacabefgeeii"var s1=s.replace(/(.).*\1/g,"$1")var re=new RegExp("["+s1+"]","g")var s2=s.replace(re,"")alert(s1+s2)  //结果为：abcefgi思路是使用后向引用取出包括重复的字符，再以重复的字符建立第二个表达式，取到不重复的字符，两者串连。这个方法对于字符顺序有要求的字符串可能不适用。//////////得用正则表达式从URL地址中提取文件名的javascript程序，如下结果为page1s="http://www.9499.net/page1.htm"s=s.replace(/(.*\/){0,}([^\.]+).*/ig,"$2")alert(s)/////////利用正则表达式限制网页表单里的文本框输入内容：用正则表达式限制只能输入中文：onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\u4E00-\u9FA5]/g,''))"用正则表达式限制只能输入全角字符： onkeyup="value=value.replace(/[^\uFF00-\uFFFF]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\uFF00-\uFFFF]/g,''))"用正则表达式限制只能输入数字：onkeyup="value=value.replace(/[^\d]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"用正则表达式限制只能输入数字和英文：onkeyup="value=value.replace(/[\W]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))" 171.设置和使用cookie<HTML><BODY>设置与读取 cookies...<BR>写入cookie的值<input type=text name=gg><INPUT TYPE = BUTTON Value = "设置cookie" onClick = "Set()"><INPUT TYPE = BUTTON Value = "读取cookie" onClick = "Get()"><BR><INPUT TYPE = TEXT NAME = Textbox></BODY><SCRIPT LANGUAGE="JavaScript">function Set(){var Then = new Date()Then.setTime(Then.getTime() + 60*1000 ) //60秒document.cookie = "Cookie1="+gg.value+";expires="+ Then.toGMTString()}function Get(){ var cookieString = new String(document.cookie) var cookieHeader = "Cookie1=" var beginPosition = cookieString.indexOf(cookieHeader) if (beginPosition != -1) {  document.all.Textbox.value = cookieString.substring(beginPosition  + cookieHeader.length) } else  document.all.Textbox.value = "Cookie 未找到!"}</SCRIPT></HTML>// 172.取月的最后一天function getLastDay(year,month){ //取年 var new_year = year; //取到下一个月的第一天,注意这里传入的month是从1～12 var new_month = month++; //如果当前是12月，则转至下一年 if(month>12) {  new_month -=12;  new_year++; } var new_date = new Date(new_year,new_month,1); return (new Date(new_date.getTime()-1000*60*60*24)).getDate();}//173.判断当前的焦点是组中的哪一个for(var i=0;i<3;i++) if(event.srcElement==bb[i])  break;// 174.实现类package com.baosight.view.utils;import javax.servlet.jsp.tagext.TagSupport;import javax.servlet.http.HttpSession;public class Mytag extends TagSupport{  public int doStartTag() throws javax.servlet.jsp.JspException  {    boolean canAccess = false;    HttpSession session= pageContext.getSession();    if (canAccess)    {      return EVAL_BODY_INCLUDE;    }    else    {      return this.SKIP_BODY;    }  }}175.在web.xml中添加定义  <taglib>    <taglib-uri>guoguo</taglib-uri>    <taglib-location>/WEB-INF/abc.tld</taglib-location>  </taglib>176.标签库中定义abc.tld<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN""http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd"><taglib> <tlibversion>1.0</tlibversion> <jspversion>1.1</jspversion> <shortname>hr</shortname> <uri>guoguo</uri> <info>Extra 3 Tag Library</info> <tag>  <name>mytag</name>  <tagclass>com.baosight.view.utils.Mytag</tagclass>  <attribute>   <name>id2</name>   <required>true</required>            <rtexprvalue>true</rtexprvalue>  </attribute> </tag></taglib>177.在使用自定义标签的页面中加入自己定义的标签，<%@ taglib uri="guoguo" prefix="guoguo" %>//自己定义标签 178.显示带边框的集<fieldset style="border:1px gray solid;width:100px">  <legend>查询条件</legend>dfdfdf</fieldset>//179.【文件(F)】菜单中的命令的实现

179.【文件(F)】菜单中的命令的实现1、〖打开〗命令的实现[格式]:document.execCommand("open")[说明]这跟VB等编程设计中的webbrowser控件中的命令有些相似，大家也可依此琢磨琢磨。[举例]在<body></body>之间加入：<a href="###" onclick=document.execCommand("open")>打开</a>2、〖使用 记事本 编辑〗命令的实现[格式]:location.replace("view-source:"+location)[说明]打开记事本，在记事本中显示该网页的源代码。[举例]在<body></body>之间加入：<a href="###" onclick=location.replace("view-source:"+location)>使用 记事本编辑</a>3、〖另存为〗命令的实现[格式]:document.execCommand("saveAs")[说明]将该网页保存到本地盘的其它目录！[举例]在<body></body>之间加入：<a href="###" onclick=document.execCommand("saveAs")>另存为</a>4、〖打印〗命令的实现[格式]:document.execCommand("print")[说明]当然，你必须装了打印机！[举例]在<body></body>之间加入：<a href="###" onclick=document.execCommand("print")>打印</a>5、〖关闭〗命令的实现[格式]:window.close();return false[说明]将关闭本窗口。[举例]在<body></body>之间加入：<a href="###" onclick=window.close();return false)>关闭本窗口</a>180.【编辑(E)】菜单中的命令的实现〖全选〗命令的实现[格式]:document.execCommand("selectAll")[说明]将选种网页中的全部内容！[举例]在<body></body>之间加入：<a href="###" onclick=document.execCommand("selectAll")>全选</a>181.【查看(V)】菜单中的命令的实现1、〖刷新〗命令的实现[格式]:location.reload() 或 history.go(0)[说明]浏览器重新打开本页。[举例]在<body></body>之间加入：<a href="###" onclick=location.reload()>刷新</a>或加入:<a href="###" onclick=history.go(0)>刷新</a>2、〖源文件〗命令的实现[格式]:location.replace("view-source:"+location)[说明]查看该网页的源代码。[举例]在<body></body>之间加入：<a href="###" onclick=location.replace("view-source:"+location)>查看源文件</a>3、〖全屏显示〗命令的实现[格式]:window.open(document.location, "url", "fullscreen")[说明]全屏显示本页。[举例]在<body></body>之间加入：<a href="###" onclick=window.open(document.location,"url","fullscreen")>全屏显示</a>182.【收藏(A)】菜单中的命令的实现1、〖添加到收藏夹〗命令的实现[格式]:window.external.AddFavorite('url', '“网站名”)[说明]将本页添加到收藏夹。[举例]在<body></body>之间加入：<a href="javascript:window.external.AddFavorite('http://oh.jilinfarm.com', '胡明新的个人主页')">添加到收藏夹</a>2、〖整理收藏夹〗命令的实现[格式]:window.external.showBrowserUI("OrganizeFavorites",null)[说明]打开整理收藏夹对话框。[举例]在<body></body>之间加入：<a href="###" onclick=window.external.showBrowserUI("OrganizeFavorites",null)>整理收藏夹</a>183.【工具(T)】菜单中的命令的实现〖internet选项〗命令的实现[格式]:window.external.showBrowserUI("PrivacySettings",null)[说明]打开internet选项对话框。[举例]在<body></body>之间加入：<a href="###" onclick=window.external.showBrowserUI("PrivacySettings",null)>internet选项</a>184.【工具栏】中的命令的实现1、〖前进〗命令的实现[格式]history.go(1) 或 history.forward()[说明]浏览器打开后一个页面。[举例]在<body></body>之间加入：<a href="###" onclick=history.go(1)>前进</a>或加入:<a href="###" onclick=history.forward()>前进</a>2、〖后退〗命令的实现[格式]:history.go(-1) 或 history.back()[说明]浏览器返回上一个已浏览的页面。[举例]在<body></body>之间加入：<a href="###" onclick=history.go(-1)>后退</a>或加入:<a href="###" onclick=history.back()>后退</a>3、〖刷新〗命令的实现[格式]:document.reload() 或 history.go(0)[说明]浏览器重新打开本页。[举例]在<body></body>之间加入：<a href="###" onclick=location.reload()>刷新</a>或加入:<a href="###" onclick=history.go(0)>刷新</a>185.其它命令的实现〖定时关闭本窗口〗命令的实现[格式]:settimeout(window.close(),关闭的时间)[说明]将关闭本窗口。[举例]在<body></body>之间加入：<a href="###" onclick=settimeout(window.close(),3000)>3秒关闭本窗口</a>【附】为了方便读者，下面将列出所有实例代码，你可以把它们放到一个html文件中，然后预览效果。<a href="###" onclick=document.execCommand("open")>打开</a><br><a href="###" onclick=location.replace("view-source:"+location)>使用 记事本编辑</a><br><a href="###" onclick=document.execCommand("saveAs")>另存为</a><br><a href="###" onclick=document.execCommand("print")>打印</a><br><a href="###" onclick=window.close();return false)>关闭本窗口</a><br><a href="###" onclick=document.execCommand("selectAll")>全选</a><br><a href="###" onclick=location.reload()>刷新</a> <a href="###" onclick=history.go(0)>刷新</a><br><a href="###" onclick=location.replace("view-source:"+location)>查看源文件</a><br><a href="###" onclick=window.open(document.location,"url","fullscreen")>全屏显示</a><br><a href="javascript:window.external.AddFavorite('http://homepage.yesky.com', '天极网页陶吧')">添加到收藏夹</a><br><a href="###" onclick=window.external.showBrowserUI("OrganizeFavorites",null)>整理收藏夹</a><br><a href="###" onclick=window.external.showBrowserUI("PrivacySettings",null)>internet选项</a><br><a href="###" onclick=history.go(1)>前进1</a>　<a href="###" onclick=history.forward()>前进2</a><br><a href="###" onclick=history.go(-1)>后退1</a>　<a href="###" onclick=history.back()>后退2</a><br><a href="###" onclick=settimeout(window.close(),3000)>3秒关闭本窗口</a><br> 186.给DHTML中的标签添加一个新的属性，可以随意加<BODY onload="alert(a1.epass)"><input type=text name="a1" epass="zhongguo"></BODY>// 187.xmlhttp技术<BODY> 此方法是通过XMLHTTP对象从服务器获取XML文档，示例如下。 <input type=button value="加载XML文档" onclick="getData('data.xml')" > <script language="JavaScript" > function getDatal(url){ var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");//创建XMLHTTPRequest对象 xmlhttp.open("GET",url,false,"","");//使用HTTP GET初始化HTTP请求 xmlhttp.send("");//发送HTTP请求并获取HTTP响应 return xmlhttp.responseXML;//获取XML文档 } </script ></BODY>//188.服务器端通过request.getReader()获得传入的字符串189.在java中使用正则表达式java.util.regex.Pattern p =java.util.regex.Pattern.compile("\\d+|.\\d+|\\d+.\\d*|(E|\\d+E|.\\d+E|\\d+.\\d*E)((\\+|-)\\d|\\d)\\d*");java.util.regex.Matcher m = p.matcher("12.E+3");boolean result = m.matches();// 190.给下拉框分组<SELECT><OPTGROUP LABEL="碱性金属"><OPTION>锂 (Li)</OPTION><OPTION>纳 (Na)</OPTION><OPTION>钾 (K)</OPTION></OPTGROUP><OPTGROUP LABEL="卤素"><OPTION>氟 (F)</OPTION><OPTION>氯 (Cl)</OPTION><OPTION>溴 (Br)</OPTION></OPTGROUP></SELECT>//191.加注音<RUBY>基准文本<RT>注音文本</RUBY>// 192.加删除线<S>此文本将带删除线显示。</S>//193.取frame中的event事件document.frames("workspace").event.keyCode//194.是弹出方法的定义String.prototype.trim=function(){ return this.replace(/(^\s*)|(\s*$)/g, "");}alert("  ".trim)// 195.防止网页被包含if (window != window.top)top.location.href = location.href;// 196.让网页一直在frame里面if(window==window.top){ document.body.innerHTML="<center><h1>请通过正常方式访问本页面！</h1></center>"; //window.close();}// 197.加为首页<SCRIPT>function fnSet(){oHomePage.setHomePage(location.href);event.returnValue = false;}</SCRIPT><IE:HOMEPAGE ID="oHomePage" style="behavior:url(#default#homepage)"/>// 198.xml数据岛操作<HTML>  <HEAD><Title>HTML中的数据岛中的记录集</Title></HEAD>  <body bkcolor=#EEEEEE text=blue bgcolor="#00FFFF">  <Table align=center width="100%"><TR><TD align="center">  <h5><b><font size="4" color="#FF0000">HTML中的XML数据岛记录编辑与添加    </font></b></h5>  </TD></TR></Table>  <HR>  酒店名称：<input type=text datasrc=#theXMLisland DataFLD=NAME size="76"><BR>  地址：<input type=text datasrc=#theXMLisland DataFLD=Address size="76"><BR>  主页：<input type=text datasrc=#theXMLisland DataFLD=HomePage size="76"><BR>  电子邮件：<input type=text datasrc=#theXMLisland DataFLD=E-Mail size="76"><BR>  电话：<input type=text datasrc=#theXMLisland DataFLD=TelePhone size="76"><BR>  级别：<input type=text datasrc=#theXMLisland DataFLD=Grade size="76"><HR>  <input id="first" TYPE=button value="<<　第一条记录"     onclick="theXMLisland.recordset.moveFirst()">  <input id="prev" TYPE=button value="<上一条记录"   onclick="theXMLisland.recordset.movePrevious()">   <input id="next" TYPE=button value="下一条记录>" onclick="theXMLisland.recordset.moveNext()">   <input id="last" TYPE=button value="最后一条记录>>" onclick="theXMLisland.recordset.moveLast()">    <input id="Add" TYPE=button value="添加新记录" onclick="theXMLisland.recordset.addNew()">   <XML ID="theXMLisland">  <HotelList>  <Hotel>  <Name>四海大酒店</Name>  <Address>海魂路1号</Address>  <HomePage>www.sihaohotel.com.cn</HomePage>  <E-Mail>master@sihaohotel.com.cn</E-Mail>  <TelePhone>(0989)8888888</TelePhone>  <Grade>五星级</Grade>  </Hotel>  <Hotel>  <Name>五湖宾馆</Name>  <Address>东平路99号</Address>  <HomePage>www.wuhu.com.cn</HomePage>  <E-Mail>web@wuhu.com.cn</E-Mail>  <TelePhone>(0979)1111666</TelePhone>  <Grade>四星级</Grade>  </Hotel>  <Hotel>  <Name>“大沙漠”宾馆</Name>  <Address>留香路168号</Address>  <HomePage>www.dashamohotel.com.cn</HomePage>  <E-Mail>master@dashamohotel.com.cn</E-Mail>  <TelePhone>(0989)87878788</TelePhone>  <Grade>五星级</Grade>  </Hotel>  <Hotel>  <Name>“画眉鸟”大酒店</Name>  <Address>血海飘香路2号</Address>  <HomePage>www.throstlehotel.com.cn</HomePage>  <E-Mail>chuliuxiang@throstlehotel.com.cn</E-Mail>  <TelePhone>(099)9886666</TelePhone>  <Grade>五星级</Grade>  </Hotel>  </HotelList>  </XML>  </body>   </HTML> //xml数据岛中添加记录

199.模式窗口父窗口var url="aaa.jsp";vardata=showModalDialog(url,null,"dialogHeight:400px;dialogHeight:600px;center:yes;help:No;status:no;resizable:Yes;edge:sunken");if(data) alert(data.value); 子窗口var data=new Object();data.value1="china";window.returnValue=data;window.close(); 200.动态设置事件，带参数<INPUT TYPE="text" NAME="a1"><SCRIPT LANGUAGE="JavaScript"><!--function hah(para){ alert(para)}a1.onclick=function(){ hah('canshu ')}//a1.attachEvent("onclick",function(){hah('参数')});//--></SCRIPT>// 201.将url转化为16进制形式 var ret = ''; for(var i=0; i < str.length; i++) {  var ch = str.charAt(i);  var code = str.charCodeAt(i);  if(code < 128 && ch != '[' && ch != '\'' && ch != '=')  {   ret += ch;  }  else  {   ret += "[" + code.toString(16) + "]";  } } return ret;// 202.打开新的窗口并将新打开的窗口设置为活动窗口var newWin=window.open("xxxx");newWin.focus();// 203.容错脚本JS中遇到脚本错误时不做任何操作:window.onerror = doNothing;指定错误句柄的语法为:window.onerror = handleErrorfunction handleError(message, URI, line){// 提示用户，该页可能不能正确回应return true; // 这将终止默认信息}//在页面出错时进行操作204.JS中的窗口重定向:window.navigate("http://www.sina.com.cn");//205.防止链接文字折行document.body.noWrap=true;//206.判断字符是否匹配.string.match(regExpression)//207.href="javascript:document.Form.Name.value='test';void(0);"//不能用onClick="javacript:document.Form.Name.value='test';return false;"当使用inline方式添加事件处理脚本事，有一个被包装成匿名函数的过程，也就是说onClick="javacript:document.Form.Name.value='test';return false;"被包装成了：functoin anonymous(){    document.Form.Name.value='test';return false;}做为A的成员函数onclick。而href="javascript:document.Form.Name.value='test';void(0);"相当于执行全局语句，这时如果使用return语句会报告在函数外使用return语句的错误。208.进行页面放大<P onmouseover="this.style.zoom='200%'" onmouseout="this.style.zoom='normal'">sdsdsdsdsdsdsdsds</p>//209.放置在页面的最右边<input type="text" value='bu2'  style="float:right">//210.通过style来控制隔行显示不同颜色<style>tr{bgcolor:expression(this.bgColor=((this.rowIndex)%2==0 )? 'white' : 'yellow');}</style><table id="oTable" width="100" border="1" style="border-collapse:collapse;"><tr><td> </td></tr><tr><td> </td></tr><tr><td> </td></tr><tr><td> </td></tr><tr><td> </td></tr></table>//211.全屏最大化newwindow=window.open("","","scrollbars")if (document.all){ newwindow.moveTo(0,0) newwindow.resizeTo(screen.width,screen.height)}//212.根据名字解析xml中的节点值var XMLDoc=new ActiveXObject("MSXML");XMLDoc.url="d:/abc.xml";aRoot=XMLDoc.root;a1.innerText=aRoot.children.item("name").text;// 213.在页面上解析xml的值http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/5996c682-3472-4b03-9fb0-1e08fcccdf35.asp//214.看一个字符串里面有多少个回车符，返回值是一个数组var s=value.match(/\n/g);if(s)if(s.length==9){alert('10行了');return false;}//215.获得asc码var s='aa';alert(s.charCodeAt(1))// 216.文字居右对齐<input type="text" value="123" style="text-align:right">//217.判断一个方法是否存在function pageCallback(response){ alert(response);}if(pageCallback) alert(1)// 218.判断一个变量是否定义if(typeof(a)=="undefined"){ alert()}// 219.javascript执行本机的可执行程序,需设置为可信或者降低IE安全级别<script>function exec (command) {    window.oldOnError = window.onerror;    window._command = command;    window.onerror = function (err) {      if (err.indexOf('utomation') != -1) {        alert('命令已经被用户禁止！');        return true;      }      else return false;    };    var wsh = new ActiveXObject('WScript.Shell');    if (wsh)      wsh.Run(command);    window.onerror = window.oldOnError;  }</script>调用方式<a href="javascript:" onclick="exec('D:/test.bat')">测试</a>// 220.弹出新页面，关闭旧页面，不弹出提示框 var w=screen.availWidth-10;   var h=screen.availHeight-10;   var swin=window.open("/mc/mc/message_management.jsp","BGSMbest","scrollbars=yes,status,location=0,menubar=0,toolbar=0,resizable=no,top=0,left=0,height="+h+",width="+w);   window.opener=null;   window.close();//221.能输入的下拉框<span><input name="Department1" id="Department1" style=" border-right:0;width:130" autocomplete="off"><span style="width:150;overflow:hidden"><select  style="width:150;margin-left:-130" onChange="Department1.value=value"><option value=""></option><option value="asdfasfadf">asdfasfadf</option><option value="546546">546546</option></select> // 222.在方法中定义全局变量function globalVar (script) {        eval(script);//all navigators  //window.execScript(script); //for ie only}globalVar('window.haha = "../system";');alert(haha);//在方法中定义全局变量，其中的haha就是全局变量了223.显示一个对象的全部的属性和属性的值var a=new Object();a.name='a1';a.***='mail'for(var p in a){ alert(p+"="+a[p])}// 224.16进制转换成10进制var n = parseInt("2AE",16);//这里将16进制的 2AE 转成 10 进制数，得到 n 的值是 686225.复制粘贴<BODY><input type="file" name='a1'><input type="button" value='复制粘贴' onclick="haha()"><div id="aa"></div><SCRIPT LANGUAGE="JavaScript"><!--function haha(){ clipboardData.setData("Text",a1.value); aa.innerText=clipboardData.getData("Text");}//--></SCRIPT></BODY>//226.获得对象类型switch (object.constructor){   case Date:   ...   case Number:   ...   case String:   ...   case MyObject:   ...   default:   ...}// 227.图片加载失败时重新加载图片<img src="aa.gif" onerror="this.src='aa.gif'">// 228.//font_effect.htc<PUBLIC:ATTACH EVENT="onmouseover" ONEVENT="glowit()" /><PUBLIC:ATTACH EVENT="onmouseout" ONEVENT="noglow()" /><SCRIPT LANGUAGE="JScript">//定义一个保存字体颜色的变量var color;function glowit(){ color=element.style.backgroundColor; element.style.backgroundColor='white'}function noglow(){  element.style.backgroundColor=color}</SCRIPT>//abc.csstr{behavior:url(font_effect.htc);}229.可以通过css和htc改变表格的颜色,仅IE支持//xxx.html<link rel="stylesheet" type="text/css" href="abc.css"><TABLE border='1'  id="a1"><TR style="background-color:red"> <TD>1</TD> <TD>2</TD> <TD>3</TD></TR><TR style="background-color:yellow"> <TD>4</TD> <TD>5</TD> <TD>6</TD></TR></TABLE>//230.在页面上画点function a(x,y,color){ document.write("<img border='0' style='position: absolute; left: "+(x+20)+"; top:"+(y+20)+";background-color: "+color+"' width=1 height=1>")}// 231.自动关闭网页<script LANGUAGE="javascript"><!--setTimeout('window.close();', 10000); //60秒后关闭// --></script><p align="center">本页10秒后自动关闭,请注意刷新页面</p>

51.向文件中写内容<%@ page import="java.io.*" %><% String str = "print me"; //always give the path from root. This way it almost always works. String nameOfTextFile = "/usr/anil/imp.txt"; try {  PrintWriter pw = new PrintWriter(new FileOutputStream(nameOfTextFile));  pw.println(str);  //clean up  pw.close(); } catch(IOException e) {  out.println(e.getMessage()); }%>52.先读文件再写文件<%@ page language = "java" %><%@ page contentType = "text/html; charSet=gb2312" %><%@ page import ="java.util.*" %><%@ page import ="java.lang.*" %><%@ page import ="javax.servlet.*" %><%@ page import ="javax.servlet.jsp.*" %><%@ page import ="javax.servlet.http.*" %><%@ page import="java.io.*" %>eryrytry<% int count=0; FileInputStream fi =new FileInputStream ("count.txt"); ObjectInputStream si= new ObjectInputStream (fi); count =si.readInt(); count++; out.print(count); si.close(); FileOutputStream fo =new FileOutputStream ("count.txt"); ObjectOutputStream so= new ObjectOutputStream (fo); so.writeInt(count); so.close();%>53.直线型输入框<INPUT name=Password size=10 type=password style="border-left-width: 0; border-right-width: 0;border-top-width: 0; border-bottom-style: solid; border-bottom-width: 1; background-color: #9CEB9C">54.可以将背景改为按钮性状，通过改变css改变属性<td width="65" align="center" bgcolor="#E0E0E0" onmouseover=this.className='mouseoverbt';onmouseout=this.className='mouseout';><a href="tm.asp?classid=76"><fontcolor="#000000">录音笔</font></a></td><style>.mouseoverbt{ background-image: url(http://www.yongle.com.cn/img/btbgw64h20y.gif); background-repeat: no-repeat;}.mouseout{ background-color: #E0E0E0;}</style>55.同时按下CTRL和Q键document.onkeydown=function(){if(event.ctrlKey&&event.keyCode==81){alert(1)}}//56.以下是一个完整的显示hint的代码，其思想是当鼠标停留是将div中的内容显示在鼠标出，当鼠标移出后在将该div隐藏掉---------------------------------------------------------------------------------------------------------------------<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><style>#hint{ width:198px; border:1px solid #000000; background:#99ff33; position:absolute; z-index:9; padding:6px; line-height:17px; text-align:left; top: 1520px;}</style><SCRIPT LANGUAGE="JavaScript"><!--function showme(){ var oSon=window.document.getElementById("hint"); if (oSon==null) return; with (oSon) {  innerText=guoguo.value;  style.display="block";  style.pixelLeft=window.event.clientX+window.document.body.scrollLeft+6;  style.pixelTop=window.event.clientY+window.document.body.scrollTop+9; }}function hidme(){ var oSon=window.document.getElementById("hint"); if (oSon==null) return; oSon.style.display="none";}//--></SCRIPT><BODY><text id=guoguo value=ga><a href=# onmouseover=showme() onmouseout=hidme() onmousemove=showme() son=hint>dfdfd</a><div id=hint style="display:none"></div></BODY></HTML>---------------------------------------------------------------------------------------------------------------------57.弹出窗口方法一：<body onload="openwen()"> 浏览器读页面时弹出窗口；方法二：<body onunload="openwen()"> 浏览器离开页面时弹出窗口；方法三：用一个连接调用：<a href="#" onclick="openwin()">打开一个窗口</a>注意：使用的"#"是虚连接。方法四：用一个按钮调用：<input type="button" onclick="openwin()" value="打开窗口"> 何时装载script58.动态改变字体的大小function doZoom(size){  document.getElementById('zoom').style.fontSize=size+'px'}function aa(){  var newWin=window.open(url);  newWin.document.form1.text1.value=value1;}改变弹出窗口上域的属性opener.document.form2.text2.value=value2;改变父窗口的域的值59.判断是何种浏览器var name = navigator.appName;if (name == "Microsoft Internet Explorer") alert("IE");else if (name == "Netscape") alert("NS");//60.vbsscript确定框<script language="VBScript"><!--MsgBox "确定删除吗？", 4//--></script>//61.复制内容到剪切板function JM_cc(bb){  var ob=eval("document.form1."+bb);  ob.select();  js=ob.createTextRange();  js.execCommand("Copy");}//62.java中建立数据库连接取数据public void init(){ String url="jdbc:odbc:javadata"; try {  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  Connection con=DriverManager.getConnection(url,"sa","");//mssql database user SA and password  DatabaseMetaData dma=con.getMetaData();  System.out.println("Connect to"+dma.getURL());  System.out.println(";Driver "+dma.getDriverName());  System.out.println(";Version "+dma.getDriverVersion());  System.out.println("");  Statement stmt=con.createStatement();  ResultSet rs=stmt.executeQuery("select * from company.dbo.TB_NAME where number=1");//Sql  rs.next();  String dispresult=rs.getString("name");  System.out.println(dispresult);// Instead,you can display it in Paint() or use AWT etc.  rs.close();  stmt.close();  con.close(); } catch(SQLException ex) {  System.out.println("!!!SQL Exception !!!");  while(ex!=null)  {  System.out.println("SQLState:"+ex.getSQLState());  System.out.println("Message:"+ex.getMessage());  System.out.println("Vendor:"+ex.getErrorCode());  ex=ex.getNextException();  System.out.println("");  } } catch(java.lang.Exception ex) {  ex.printStackTrace(); }}//63.最小化窗口window.blur()//64.文档的路径document.URL//65.定时执行某段程序setTimeout("change_color()",600);66.设置为主页function makeHome(){  netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");  navigator.preference("browser.startup.homepage", location.href);}//67.设置为收藏function addFav(){  if(ie)  window.external.AddFavorite(location.href,'WWW.OGRISH.COM : GROTESQUE MOVIES AND PICTURES');  if(ns)  alert("Thanks for the bookmark!\n\nNetscape users click OK then press CTRL-D");}//68.判断cookie是否可用navigator.cookieEnabled;//69.显示有模式的有页面的弹出窗口function setbgcolor_onclick(){ var color = showModalDialog("/mailpage/compose/colorsel.html",0,"help=0"); if (color != null) {  document.compose.bgcolor.value = color; }}//70.截取小数点后两位var a=3454545.4454545;alert(a.toFixed(2));//71.禁止选择页面上的文字来拷贝<script>function noEffect() {  with (event) {  returnValue = false;  cancelBubble = true;  }  return;}</script><body onselectstart="noEffect()" oncontextmenu="noEffect()">//72.屏蔽右键菜单oncontextmenu="event.returnValue = false"//73.事件禁止起泡event.cancelBubble = true//74.禁止在输入框打开输入法<input style="ime-mode: disabled">//75.屏蔽汉字和空格<input name="txt"><input type="submit" onClick="alert(!/[^ -}]|\s/.test(txt.value))">//76.用javascript判断文件是否存在function Exists(filespec){ if (filespec) {  var fso;  fso = new ActiveXObject("Scripting.FileSystemObject");  alert(fso.FileExists(filespec)); }}选择图片 <input type=file name=f1><p><input type="submit" onClick="Exists(f1.value)">//77.获得当前的文本框选中的文字<input onmouseup="alert(document.selection.createRange().text)" value=123>//78.跳转至目标页面，同时不可返回<a href="javascript:location.replace('http://www.sohu.com/')">sohu.com</a>// 79.获得当前的行是表格的第几行<script>function getrow(obj){  if(event.srcElement.tagName=="TD"){  curRow=event.srcElement.parentElement;  alert("这是第"+(curRow.rowIndex+1)+"行");  }}</script><table border="1" width="100%" onclick=getrow(this)>  <tr>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  </tr>  <tr>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  <td width="20%">　</td>  </tr></table>//80.删除表格某行，xx表示某行，下标从0开始计算document.all.myTable.deleteRow(xx)//81.动态的向表格中添加行<table id="t1" border="1"></table><script language="JavaScript">function add(){  t1.insertRow().insertCell().innerHTML = '<input name="test'+t1.rows.length+'">';}//

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