js技巧代码
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转载自：http://topic.csdn.net/u/20110905/11/1d40c9aa-b24e-4de8-bd85-f8925884c557.html?39540
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>
