Javascript 技巧 特效

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Javascript小技巧
  事件源对象
  event.srcElement.tagName
  event.srcElement.type
  捕获释放
  event.srcElement.setCapture(); 
  event.srcElement.releaseCapture(); 
  事件按键
  event.keyCode
  event.shiftKey
  event.altKey
  event.ctrlKey
  事件返回值
  event.returnValue
  鼠标位置
  event.x
  event.y
  窗体活动元素
  document.activeElement
  绑定事件
  document.captureEvents(Event.KEYDOWN);
  访问窗体元素
  document.all("txt").focus();
  document.all("txt").select();
  窗体命令
  document.execCommand
  窗体COOKIE
  document.cookie
  菜单事件
  document.oncontextmenu
  创建元素
  document.createElement("SPAN"); 
  根据鼠标获得元素:
  document.elementFromPoint(event.x,event.y).tagName=="TD
  document.elementFromPoint(event.x,event.y).appendChild(ms) 
  窗体图片
  document.images[索引]
  窗体事件绑定
  document.onmousedown=scrollwindow;
  元素
  document.窗体.elements[索引]
  对象绑定事件
  document.all.xxx.detachEvent('onclick',a);
  插件数目
  navigator.plugins
  取变量类型
  typeof($js_libpath) == "undefined"
  下拉框
  下拉框.options[索引]
  下拉框.options.length
  查找对象
  document.getElementsByName("r1");
  document.getElementById(id);
  定时
  timer=setInterval('scrollwindow()',delay);
  clearInterval(timer);
  UNCODE编码
  escape() ,unescape
  父对象
  obj.parentElement(dhtml)
  obj.parentNode(dom)
  交换表的行
  TableID.moveRow(2,1)
  替换CSS
  document.all.csss.href = "a.css";
  并排显示
  display:inline
  隐藏焦点
  hidefocus=true
  根据宽度换行
  style="word-break:break-all"
  自动刷新
  <meta HTTP-EQUIV="refresh" CONTENT="8;URL=http://c98.yeah.net">
  简单邮件
  <a  href="mailto:aaa@bbb.com?subject=ccc&body=xxxyyy"> 
  快速转到位置
  obj.scrollIntoView(true)
  锚
  <a name="first">
  <a href="#first">anchors</a> _fcksavedurl=""#first">anchors</a>"
  网页传递参数
  location.search();
  可编辑
  obj.contenteditable=true
  执行菜单命令
  obj.execCommand
  双字节字符
  /[^/x00-/xff]/
  汉字
  /[/u4e00-/u9fa5]/
  让英文字符串超出表格宽度自动换行
  word-wrap: break-word; word-break: break-all;
  透明背景
  <IFRAME src="1.htm" width=300 height=180 allowtransparency></iframe>
  获得style内容
  obj.style.cssText
  HTML标签
  document.documentElement.innerHTML
  第一个style标签
  document.styleSheets[0]
  style标签里的第一个样式
  document.styleSheets[0].rules[0]
  防止点击空链接时,页面往往重置到页首端。
  <a href="javascript :function()">word</a>
  上一网页源
  asp:
  request.servervariables("HTTP_REFERER")
  javascript :
  document.referrer
  释放内存
  CollectGarbage();
  禁止右键
  document.oncontextmenu = function() { return false;}
  禁止保存
  <noscript><iframe src="*.htm"></iframe></noscript>
  禁止选取<body oncontextmenu="return false" ondragstart="return false"
  onselectstart ="return false" onselect="document.selection.empty()"
  oncopy="document.selection.empty()" onbeforecopy="return
  false"onmouseup="document.selection.empty()> 
  禁止粘贴
  <input type=text onpaste="return false">
  地址栏图标
  <link rel="Shortcut Icon" href="favicon.ico">
  favicon.ico 名字最好不变16*16的16色,放虚拟目录根目录下
  收藏栏图标
  <link rel="Bookmark" href="favicon.ico">
  查看源码
  <input type=button value=查看网页源代码 onclick="window.location = 'view-source:'+
  'http://www.csdn.net/'">
  关闭输入法
  <input style="ime-mode:disabled">
  自动全选
  <input type=text name=text1 value="123" onfocus="this.select()">
  ENTER键可以让光标移到下一个输入框
  <input onkeydown="if(event.keyCode==13)event.keyCode=9">
  文本框的默认值
  <input type=text value="123" onfocus="alert(this.defaultValue)">
  title换行
  obj.title = "123&#13sdfs&#32"
  获得时间所代表的微秒
  var n1 = new Date("2004-10-10".replace(/-/g, "//")).getTime()
  窗口是否关闭
  win.closed
  checkbox扁平
  <input type=checkbox style="position: absolute; clip:rect(5px 15px 15px
  5px)"><br>
  获取选中内容
  document.selection.createRange().duplicate().text
  自动完成功能
  <input  type=text  autocomplete=on>打开该功能 
  <input  type=text  autocomplete=off>关闭该功能   
  窗口最大化
  <body onload="window.resizeTo(window.screen.width -
  4,window.screen.height-50);window.moveTo(-4,-4)">
  无关闭按钮IE
  window.open("aa.htm", "meizz", "fullscreen=7");
  统一编码/解码
  alert(decodeURIComponent(encodeURIComponent("http://你好.com?as= hehe")))
  encodeURIComponent对":"、"/"、";" 和 "?"也编码
  表格行指示
  <tr onmouseover="this.bgColor='#f0f0f0'" onmouseout="this.bgColor='#ffffff'">

  //各种尺寸
  s  +=  "/r/n网页可见区域宽:"+  document.body.clientWidth;  
  s  +=  "/r/n网页可见区域高:"+  document.body.clientHeight;  
  s  +=  "/r/n网页可见区域高:"+  document.body.offsetWeight  +"  (包括边线的宽)";  
  s  +=  "/r/n网页可见区域高:"+  document.body.offsetHeight  +"  (包括边线的宽)";  
  s  +=  "/r/n网页正文全文宽:"+  document.body.scrollWidth;  
  s  +=  "/r/n网页正文全文高:"+  document.body.scrollHeight;  
  s  +=  "/r/n网页被卷去的高:"+  document.body.scrollTop;  
  s  +=  "/r/n网页被卷去的左:"+  document.body.scrollLeft;  
  s  +=  "/r/n网页正文部分上:"+  window.screenTop;  
  s  +=  "/r/n网页正文部分左:"+  window.screenLeft;  
  s  +=  "/r/n屏幕分辨率的高:"+  window.screen.height;  
  s  +=  "/r/n屏幕分辨率的宽:"+  window.screen.width;  
  s  +=  "/r/n屏幕可用工作区高度:"+  window.screen.availHeight;  
  s  +=  "/r/n屏幕可用工作区宽度:"+  window.screen.availWidth;  
//过滤数字
<input type=text onkeypress="return
event.keyCode>=48&&event.keyCode<=57||(this.value.indexOf('.')<0?event.keyCode==46:false)"
onpaste="return !clipboardData.getData('text').match(//D/)" ondragenter="return
false">
//特殊用途
<input type=button value=导入收藏夹
onclick="window.external.ImportExportFavorites(true,'http://localhost');">
<input type=button value=导出收藏夹
onclick="window.external.ImportExportFavorites(false,'http://localhost');">
<input type=button value=整理收藏夹
onclick="window.external.ShowBrowserUI('OrganizeFavorites', null)">
<input type=button value=语言设置  
onclick="window.external.ShowBrowserUI('LanguageDialog', null)">
<input type=button value=加入收藏夹
onclick="window.external.AddFavorite('http://www.google.com/', 'google')">
<input type=button value=加入到频道
onclick="window.external.addChannel('http://www.google.com/')">
<input type=button value=加入到频道
onclick="window.external.showBrowserUI('PrivacySettings',null)">
//不缓存
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="0">

//正则匹配
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]
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*$)(像vbscript那样的trim函数)
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- ./?%&=]*)?
以下是例子:
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,''))"

1.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,''))"

2.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,''))"

3.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,''))"

//消除图像工具栏
<IMG SRC="mypicture.jpg" HEIGHT="100px" WIDTH="100px" GALLERYIMG="false"> 
or
<head>
<meta http-equiv="imagetoolbar" content="no">
</head>
//无提示关闭

function Close()
{
 var ua=navigator.userAgent
 var ie=navigator.appName=="Microsoft Internet Explorer"?true:false
 if(ie)
 {
      var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE
")+5,ua.indexOf(";",ua.indexOf("MSIE "))))
  if(IEversion< 5.5)
  {
   var str  = '<object id=noTipClose
classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'
       str += '<param name="Command" value="Close"></object>';
       document.body.insertAdjacentHTML("beforeEnd", str);
       document.all.noTipClose.Click();
  }
      else
  {
       window.opener =null;
       window.close();
      }
   }
 else
 {
  window.close()
   }
}
//取得控件得绝对位置(1)

<script language="javascript"> 
function getoffset(e)

 var t=e.offsetTop; 
 var l=e.offsetLeft; 
 while(e=e.offsetParent)
 { 
  t+=e.offsetTop; 
  l+=e.offsetLeft; 
 } 
 var rec = new Array(1);
 rec[0]  = t;
 rec[1] = l;
 return rec

</script>
//获得控件的绝对位置(2)
oRect = obj.getBoundingClientRect();
oRect.left
oRect.
//最小化,最大化,关闭
<object id=min classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11"> 
<param name="Command" value="Minimize"></object> 
<object id=max classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11"> 
<param name="Command" value="Maximize"></object> 
<OBJECT id=close classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11"> 
<PARAM NAME="Command" value="Close"></OBJECT> 
<input type=button value=最小化 onclick=min.Click()> 
<input type=button value=最大化 onclick=max.Click()> 
<input type=button value=关闭 onclick=close.Click()> 
//光标停在文字最后

<script language="javascript">
function cc()
{
 var e = event.srcElement;
 var r =e.createTextRange();
 r.moveStart('character',e.value.length);
 r.collapse(true);
 r.select();
}
</script>
<input type=text name=text1 value="123" onfocus="cc()">
//页面进入和退出的特效

进入页面<meta http-equiv="Page-Enter" content="revealTrans(duration=x,
transition=y)">
推出页面<meta http-equiv="Page-Exit" content="revealTrans(duration=x,
transition=y)"> 
这个是页面被载入和调出时的一些特效。duration表示特效的持续时间,以秒为单位。transition表示使
用哪种特效,取值为1-23:
  0 矩形缩小 
  1 矩形扩大 
  2 圆形缩小
  3 圆形扩大 
  4 下到上刷新 
  5 上到下刷新
  6 左到右刷新 
  7 右到左刷新 
  8 竖百叶窗
  9 横百叶窗 
  10 错位横百叶窗 
  11 错位竖百叶窗
  12 点扩散 
  13 左右到中间刷新 
  14 中间到左右刷新
  15 中间到上下
  16 上下到中间 
  17 右下到左上
  18 右上到左下 
  19 左上到右下 
  20 左下到右上
  21 横条 
  22 竖条 
  23 
//网页是否被检索
<meta name="ROBOTS" content="属性值">
  其中属性值有以下一些:
  属性值为"all": 文件将被检索,且页上链接可被查询;
  属性值为"none": 文件不被检索,而且不查询页上的链接;
  属性值为"index": 文件将被检索;
  属性值为"follow": 查询页上的链接;
  属性值为"noindex": 文件不检索,但可被查询链接;
  属性值为"nofollow": 

//打印分页
<p  style="page-break-after:always">page1</p>  
<p  style="page-break-after:always">page2</p>  

//设置打印

<object id="factory" style="display:none" viewastext
  classid="clsid:1663ed61-23eb-11d2-b92f-008048fdd814"
  codebase="http://www.meadroid.com/scriptx/ScriptX.cab#Version=5,60,0,360"
></object>
<input type=button value=页面设置 onclick="factory.printing.PageSetup()">
<input type=button value=打印预览 onclick="factory.printing.Preview()">
 
<script language=javascript>
function window.onload()
{
   // -- advanced features
   factory.printing.SetMarginMeasure(2) // measure margins in inches
   factory.printing.SetPageRange(false, 1, 3) // need pages from 1 to 3
   factory.printing.printer = "HP DeskJet 870C"
   factory.printing.copies = 2
   factory.printing.collate = true
   factory.printing.paperSize = "A4"
   factory.printing.paperSource = "Manual feed"
   // -- basic features
   factory.printing.header = "居左显示&b居中显示&b居右显示页码,第&p页/共&P页"
   factory.printing.footer = "(自定义页脚)"
   factory.printing.portrait = false
   factory.printing.leftMargin = 0.75
   factory.printing.topMargin = 1.5
   factory.printing.rightMargin = 0.75
   factory.printing.bottomMargin = 1.5
}
function Print(frame) {
  factory.printing.Print(true, frame) // print with prompt
}
</script>
<input type=button value="打印本页" onclick="factory.printing.Print(false)">
<input type=button value="页面设置" onclick="factory.printing.PageSetup()">
<input type=button value="打印预览" onclick="factory.printing.Preview()"><br>
<a href="http://www.meadroid.com/scriptx/docs/printdoc.htm?static
target=_blank>具体使用手册,更多信息,点这里</a>
 
//自带的打印预览
WebBrowser.ExecWB(1,1) 打开 
Web.ExecWB(2,1) 关闭现在所有的IE窗口,并打开一个新窗口 
Web.ExecWB(4,1) 保存网页 
Web.ExecWB(6,1) 打印 
Web.ExecWB(7,1) 打印预览 
Web.ExecWB(8,1) 打印页面设置 
Web.ExecWB(10,1) 查看页面属性 
Web.ExecWB(15,1) 好像是撤销,有待确认 
Web.ExecWB(17,1) 全选 
Web.ExecWB(22,1) 刷新 
Web.ExecWB(45,1) 关闭窗体无提示 
<style media=print> 
.Noprint{display:none;}<!--用本样式在打印时隐藏非打印项目--> 
.PageNext{page-break-after: always;}<!--控制分页--> 
</style> 
<object  id="WebBrowser"  width=0  height=0 
classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">    
</object>    
 
<center class="Noprint" >
<input type=button value=打印 onclick=document.all.WebBrowser.ExecWB(6,1)> 
<input type=button value=直接打印 onclick=document.all.WebBrowser.ExecWB(6,6)> 
<input type=button value=页面设置 onclick=document.all.WebBrowser.ExecWB(8,1)> 
</p> 
<p> <input type=button value=打印预览 onclick=document.all.WebBrowser.ExecWB(7,1)> 
</center>
//去掉打印时的页眉页脚

<script  language="JavaScript">  
var HKEY_Root,HKEY_Path,HKEY_Key;
HKEY_Root="HKEY_CURRENT_USER";
HKEY_Path="//Software//Microsoft//Internet Explorer//PageSetup//";
//设置网页打印的页眉页脚为空
function PageSetup_Null()
{
 try
 {
         var Wsh=new ActiveXObject("WScript.Shell");
  HKEY_Key="header";
  Wsh.RegWrite(HKEY_Root+HKEY_Path+HKEY_Key,"");
  HKEY_Key="footer";
  Wsh.RegWrite(HKEY_Root+HKEY_Path+HKEY_Key,"");
 }
 catch(e){}
}
//设置网页打印的页眉页脚为默认值
function  PageSetup_Default()
{  
 try
 {
  var Wsh=new ActiveXObject("WScript.Shell");
  HKEY_Key="header";
  Wsh.RegWrite(HKEY_Root+HKEY_Path+HKEY_Key,"&w&b页码,&p/&P");
  HKEY_Key="footer";
  Wsh.RegWrite(HKEY_Root+HKEY_Path+HKEY_Key,"&u&b&d");
 }
 catch(e){}
}
</script>
<input type="button" value="清空页码" onclick=PageSetup_Null()>
<input type="button" value="恢复页码" onclick=PageSetup_Default()>
//浏览器验证

function checkBrowser()

   this.ver=navigator.appVersion 
   this.dom=document.getElementById?1:0 
   this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0; 
   this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
   this.ie4=(document.all && !this.dom)?1:0; 
   this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
   this.ns4=(document.layers && !this.dom)?1:0; 
   this.mac=(this.ver.indexOf('Mac') > -1) ?1:0; 
   this.ope=(navigator.userAgent.indexOf('Opera')>-1); 
   this.ie=(this.ie6 || this.ie5 || this.ie4) 
   this.ns=(this.ns4 || this.ns5) 
   this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns5 || this.ns4 || this.mac
|| this.ope) 
   this.nbw=(!this.bw) 
   return this;
}
//计算内容宽和高
<SCRIPT  language="javascript">  
function  test(obj)  
{  
       var  range  =  obj.createTextRange();  
       alert("内容区宽度:  "  +  range.boundingWidth    
                                                 +  "px/r/n内容区高度:  "  + 
range.boundingHeight  +  "px");  
             
}  
</SCRIPT>  
<BODY>  
<Textarea id="txt" height="150">sdf</textarea><INPUT  type="button" 
value="计算内容宽度"  onClick="test(txt)">  
</BODY>
//无模式的提示框
function modelessAlert(Msg)
{
  
window.showModelessDialog("javascript :alert(/""+escape(Msg)+"/");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");

}
//屏蔽按键
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
  <noscript><meta http-equiv="refresh"
content="0;url=about:noscript"></noscript>
  <title>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键</title>
</head>
<body>
<script language="Javascript"><!--
  //屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键
  //Author: meizz(梅花雨) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠标右键
function window.onhelp(){return false} //屏蔽F1帮助
function document.onkeydown()
{
  if ((window.event.altKey)&&
      ((window.event.keyCode==37)||   //屏蔽 Alt+ 方向键 ←
       (window.event.keyCode==39)))   //屏蔽 Alt+ 方向键 →
  {
     alert("不准你使用ALT+方向键前进或后退网页!");
     event.returnValue=false;
  }
     /* 注:这还不是真正地屏蔽 Alt+ 方向键,
     因为 Alt+ 方向键弹出警告框时,按住 Alt 键不放,
     用鼠标点掉警告框,这种屏蔽方法就失效了。以后若
     有哪位高手有真正屏蔽 Alt 键的方法,请告知。*/
  if ((event.keyCode==8)  ||                 //屏蔽退格删除键
      (event.keyCode==116)||                 //屏蔽 F5 刷新键
      (event.ctrlKey && event.keyCode==82)){ //Ctrl + R
     event.keyCode=0;
     event.returnValue=false;
     }
  if (event.keyCode==122){event.keyCode=0;event.returnValue=false;}  //屏蔽F11
  if (event.ctrlKey && event.keyCode==78) event.returnValue=false;   //屏蔽 Ctrl+n

  if (event.shiftKey && event.keyCode==121)event.returnValue=false;  //屏蔽
shift+F10
  if (window.event.srcElement.tagName == "A" && window.event.shiftKey) 
      window.event.returnValue = false;             //屏蔽 shift 加鼠标左键新开一网页
  if ((window.event.altKey)&&(window.event.keyCode==115))             //屏蔽Alt+F4

  {
     
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
      return false;
  }
}
</script>
屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键
</body>
</html>
//屏蔽打印
<style>
@media print{
* {display:none}
}
</style>
//移动的图层,拖动

1.<span style='position:absolute;width:200;height:200;background:red'
onmousedown=MouseDown(this) onmousemove=MouseMove()
onmouseup=MouseUp()>meizz</span>
<script language=javascript>
var Obj;
function MouseDown(obj)
{
  Obj=obj;
  Obj.setCapture();
  Obj.l=event.x-Obj.style.pixelLeft;
  Obj.t=event.y-Obj.style.pixelTop;
}
function MouseMove()
{
  if(Obj!=null)
  {
    Obj.style.left = event.x-Obj.l;
    Obj.style.top = event.y-Obj.t;
  }
}
function MouseUp()
{
  if(Obj!=null)
  {
    Obj.releaseCapture();
    Obj=null;
  }
}
</script>
2.
<div id="myDiv" src="logo.gif" ondrag="doDrag();"
onmouseover="this.style.cursor='hand'"
style="position:absolute;left=100;top=100;" onmousedown="doMouseDown();">
<a href="#" onclick="return false"><h1>wlecome</h1></a>
</div>
<script language="JavaScript" type="text/javascript">
var orgMouseX;
var orgMouseY;
var orgObjX;
var orgObjY;
function doDrag()
{
var myObject=document.all.myDiv;

var x=event.clientX;
var y=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);
 
}
function doMouseDown()
{
orgMouseX=event.clientX;
orgMouseY=event.clientY;
orgObjX=parseInt(document.all.myDiv.style.left);
orgObjY=parseInt(document.all.myDiv.style.top);
}

</script>
 
//文档状态改变

<iframe src="a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0
marginheight=0></iframe>
<script>
var doc=window.frames["f"].document;
function s(){
 if (doc.readyState=="complete"){
  document.all.f.style.height=doc.body.scrollHeight
  document.all.f.style.width=doc.body.scrollWidth
 }
}
doc.onreadystatechange=s
</script>

//刷新后不变的文本框
<HTML>
<HEAD>
<META NAME="save" CONTENT="history">
<STYLE>
   .sHistory {behavior:url(#default#savehistory);}
</STYLE>
</HEAD>
<BODY>
<INPUT class=sHistory type=text id=oPersistInput>
</BODY>
</HTML>
//访问剪贴板
(1)拖拽访问
event.dataTransfer.setData("URL", oImage.src);
sImageURL = event.dataTransfer.getData("URL")
(2)普通访问
window.clipboardData.setData("Text",oSource.innerText);
window.clipboardData.getData("Text");
//操作COOKIE

function SetCookie(sName, sValue)
{
 document.cookie = sName + "=" + escape(sValue) + "; ";
}
function GetCookie(sName)
{
 var aCookie = document.cookie.split("; ");
 for (var i=0; i < aCookie.length; i++)
 {
  
  var aCrumb = aCookie[i].split("=");
  if (sName == aCrumb[0]) 
  return unescape(aCrumb[1]);
 }
 
}
function DelCookie(sName)
{
document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999
23:59:59 GMT;";
}
//setTimeout增加参数
<script>
var _st = window.setTimeout;
window.setTimeout = function(fRef, mDelay) {
 if(typeof fRef == 'function'){
  var argu = Array.prototype.slice.call(arguments,2);
  var f = (function(){ fRef.apply(null, argu); });
  return _st(f, mDelay);
 }
 return _st(fRef,mDelay);
}
function test(x){
 alert(x);
}
window.setTimeout(test,1000,'fason');
</script>

//自定义的apply,call
Function.prototype.apply = function (obj, argu) {
 if (obj) obj.constructor.prototype._caller = this; 
 var argus = new Array();
 for (var i=0;i<argu.length;i++)
  argus[i] = "argu[" + i + "]";
 var r;
 eval("r = " + (obj ? ("obj._caller(" + argus.join(",") + ");") : ("this(" +
argus.join(",") + ");")));
 return r;
};
Function.prototype.call = function (obj) {
 var argu = new Array();
 for (var i=1;i<arguments.length;i++)
  argu[i-1] = arguments[i];
 return this.apply(obj, argu);
};       

//下载文件
function DownURL(strRemoteURL,strLocalURL)
{
 try
 {
  var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP");
  xmlHTTP.open("Get",strRemoteURL,false);
  xmlHTTP.send();
  var adodbStream=new ActiveXObject("ADODB.Stream");
  adodbStream.Type=1;//1=adTypeBinary
  adodbStream.Open();
  adodbStream.write(xmlHTTP.responseBody);
  adodbStream.SaveToFile(strLocalURL,2);
  adodbStream.Close();
  adodbStream=null;
  xmlHTTP=null;
  
 }
 catch(e)
 {
  window.confirm("下载URL出错!");
 }
 //window.confirm("下载完成.");
}

//检验连接是否有效
function getXML(URL) 
{
 var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
 xmlhttp.Open("GET",URL, false); 
 try
 { 
  xmlhttp.Send();
 }
 catch(e){}
 finally 
 {
  var result = xmlhttp.responseText;
  if(result) 
  {
   if(xmlhttp.Status==200)
   {
    return(true);
   }
   else 
   {
    return(false);
   }
  }
  else 
  {
   return(false);
  }
 }
}
//POST代替FORM
<SCRIPT language="VBScript">
Function URLEncoding(vstrIn)
    strReturn = ""
    For i = 1 To Len(vstrIn)
        ThisChr = Mid(vStrIn,i,1)
        If Abs(Asc(ThisChr)) < &HFF Then
            strReturn = strReturn & ThisChr
        Else
            innerCode = Asc(ThisChr)
            If innerCode < 0 Then
                innerCode = innerCode + &H10000
            End If
            Hight8 = (innerCode  And &HFF00)/ &HFF
            Low8 = innerCode And &HFF
            strReturn = strReturn & "%" & Hex(Hight8) &  "%" & Hex(Low8)
        End If
    Next
    URLEncoding = strReturn
End Function
Function bytes2BSTR(vIn)
    strReturn = ""
    For i = 1 To LenB(vIn)
        ThisCharCode = AscB(MidB(vIn,i,1))
        If ThisCharCode < &H80 Then
            strReturn = strReturn & Chr(ThisCharCode)
        Else
            NextCharCode = AscB(MidB(vIn,i+1,1))
            strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 +
CInt(NextCharCode))
            i = i + 1
        End If
    Next
    bytes2BSTR = strReturn
End Function
dim strA,oReq
strA = URLEncoding("submit1=Submit&text1=中文")
set oReq = CreateObject("MSXML2.XMLHTTP")
oReq.open "POST","http://ServerName/VDir/TstResult.asp",false
oReq.setRequestHeader "Content-Length",Len(strA)
oReq.setRequestHeader "CONTENT-TYPE","application/x-www-form-urlencoded"
oReq.send strA
msgbox bytes2BSTR(oReq.responseBody)
</SCRIPT>
//readyState是xmlhttp返回数据的进度,0=载入中,1=未初始化,2=已载入,3=运行中,4=完成
//组件是否安装
isComponentInstalled("{6B053A4B-A7EC-4D3D-4567-B8FF8A1A5739}", "componentID"))
//检查网页是否存在

function CheckURL(URL)
{
  var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  xmlhttp.Open("GET",URL, false);
  try
  { 
    xmlhttp.Send(); 
    var result = xmlhttp.status;
  }
  catch(e) {return(false); }
  if(result==200)
  { 
    return true;
  }
  xmlhttp = null;
  return false;
}
//连接数据库

<script language="javascript">
  //用 JavaScript 写服务器端连接数据库的代码示例
  var conn = new ActiveXObject("ADODB.Connection");
  conn.Open("Provider=SQLOLEDB.1; Data Source=localhost; User ID=sa; "
    +"Password=; Initial Catalog=pubs");
  var rs = new ActiveXObject("ADODB.Recordset");
  var sql="select * from authors";
  rs.open(sql, conn);
 shtml = "<table width='100%' border=1>";
 shtml +="<tr
bgcolor='#f4f4f4'><td>au_id</td><td>au_lname</td><td>au_fname</td><td>phone</td><td>address</td><td>
city</td><td>state</td><td>zip</td></tr>";
  while(!rs.EOF)
  {
 shtml += "<tr><td>" + rs("au_id") + "</td><td>" + rs("au_lname") + "</td><td>"
+ rs("au_fname") + "</td><td>" + rs("phone") + "</td><td>" + rs("address") +
"</td><td>" + rs("city") + "</td><td>" + rs("state") + "</td><td>" + rs("zip") +
"</td></tr>";
 rs.moveNext;
  }
  shtml += "</table>";
  document.write(shtml);
  rs.close(); 
  rs = null; 
  conn.close(); 
  conn = null;
</script>
//使用数据岛

<html>
<body>
srno:<input type=text datasrc=#xmldate DataFLD=srno size="76"><BR>
times:<input type=text datasrc=#xmldate DataFLD=times size="76"><BR>
<input id="first" TYPE=button value="<< 第一条记录"
onclick="xmldate.recordset.moveFirst()">
<input id="prev" TYPE=button value="<上一条记录"
onclick="xmldate.recordset.movePrevious()">  
<input id="next" TYPE=button value="下一条记录>"
onclick="xmldate.recordset.moveNext()">  
<input id="last" TYPE=button value="最后一条记录>>"
onclick="xmldate.recordset.moveLast()">   
<input id="Add" TYPE=button value="添加新记录" onclick="xmldate.recordset.addNew()"> 
 

<XML ID="xmldate">
<infolist>
<info ><srno>20041025-01</srno><times>null</times></info>
<info ><srno>20041101-09</srno><times>2004年10月1日2点22分0秒</times></info>
</infolist>
</XML>
</body>
</html>
//获得参数
<body>
<a href="javascript :location.href=location.href + '?a=1&b=2'">search</a>
<script language="JavaScript">
<!--
var a = location.search.substr(1);
if(a.length>0)
{
 var re = /([^&]*?)/=([^&]*)/g
 var s = a.match(re);
 for(var i= 0;i<s.length;i++)
 {
  alert(s[i]);
  alert(s[i].split("=")[1]);
 }
}
//-->
</script>
</body>
//可编辑SELECT
<input type=text name=re_name
style="width:100px;height:21px;font-size:10pt;"><span
style="width:18px;border:0px solid red;"><select name="r00"
style="margin-left:-100px;width:118px; background-color:#FFEEEE;"
onChange="document.all.re_name.value=this.value;">
                <option value="1">11111111<option>
                <option value="2">222222</option>
                <option value="3">333333</option>
              </select>
              </span>
//设置光标位置

function getCaret(textbox)
{
 var control = document.activeElement;
 textbox.focus();
 var rang = document.selection.createRange();
  rang.setEndPoint("StartToStart",textbox.createTextRange())
 control.focus();
 return rang.text.length;
}
function setCaret(textbox,pos)
{
 try
 {
  var r =textbox.createTextRange();
   r.moveStart('character',pos);
   r.collapse(true);
   r.select();
 }
 catch(e)
 {}
}
function selectLength(textbox,start,len)
{
 try
 {
  var r =textbox.createTextRange();
 
  r.moveEnd('character',len-(textbox.value.length-start));
  r.moveStart('character',start);
  
  r.select();
 }
 catch(e)
 {//alert(e.description)}
}
function insertAtCaret(textbox,text)
{
 textbox.focus();
 document.selection.createRange().text = text;
}

//页内查找

function findInPage(str)
{
 var txt, i, found,n = 0;
 if (str == "")
 {
  return false;
 }
 txt = document.body.createTextRange();
 for (i = 0; i <= n && (found = txt.findText(str)) != false; i++)
 {
  txt.moveStart("character", 1);
  txt.moveEnd("textedit");
 }
 if (found)
 {
  txt.moveStart("character", -1);
  txt.findText(str);
  txt.select();
  txt.scrollIntoView();
  n++;  
 }
 else
 {
  if (n > 0)
  {
   n = 0;
   findInPage(str);
  }
  else
  {
   alert(str + "...            您要找的文字不存在。/n /n请试着输入页面中的关键字再次查找!");
  }
 }
 return false;
}
//书
http://www.itpub.net/attachment.php?s=&postid=1894598
http://www.wrclub.net/down/listdown.aspx?id=1341
//操作EXECL
<script language="javascript">
function jStartExcel() {
 var xls = new ActiveXObject ( "Excel.Application" );
 xls.visible = true;
 var newBook = xls.Workbooks.Add;
 newBook.Worksheets.Add;
 newBook.Worksheets(1).Activate;
 xls.ActiveWorkBook.ActiveSheet.PageSetup.Orientation = 2;
 xls.ActiveWorkBook.ActiveSheet.PageSetup.PaperSize = 5;
 newBook.Worksheets(1).Columns("A").columnwidth=50;
 newBook.Worksheets(1).Columns("A").WrapText = true;
 newBook.Worksheets(1).Columns("B").columnwidth=50;
 newBook.Worksheets(1).Columns("B").WrapText = true;
 newBook.Worksheets(1).Range("A1:B1000").NumberFormat = "0";
 newBook.Worksheets(1).Range("A1:B1000").HorizontalAlignment = -4131;
 newBook.Worksheets(1).Cells(1,1).Interior.ColorIndex="15";
 newBook.Worksheets(1).Cells(1,1).value="First Column, First Cell";
 newBook.Worksheets(1).Cells(2,1).value="First Column, Second Cell";
 newBook.Worksheets(1).Cells(1,2).value="Second Column, First Cell";
 newBook.Worksheets(1).Cells(2,2).value="Second Column, Second Cell";
 newBook.Worksheets(1).Name="My First WorkSheet";
}
</script>

//自定义提示条

<a href="#" title="这是提示">tip</a>
<script Language="JavaScript">
//***********默认设置定义.*********************
tPopWait=50;//停留tWait豪秒后显示提示。
tPopShow=5000;//显示tShow豪秒后关闭提示
showPopStep=20;
popOpacity=99;
//***************内部变量定义*****************
sPop=null;
curShow=null;
tFadeOut=null;
tFadeIn=null;
tFadeWaiting=null;
document.write("<style type='text/css'id='defaultPopStyle'>");
document.write(".cPopText {  background-color: #F8F8F5;color:#000000; border:
1px #000000 solid;font-color: font-size: 12px; padding-right: 4px; padding-left:
4px; height: 20px; padding-top: 2px; padding-bottom: 2px; filter:
Alpha(Opacity=0)}");
document.write("</style>");
document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;'
class='cPopText'></div>");

function showPopupText(){
var o=event.srcElement;
MouseX=event.x;
MouseY=event.y;
if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""};
        if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};
if(o.dypop!=sPop) {
sPop=o.dypop;
clearTimeout(curShow);
clearTimeout(tFadeOut);
clearTimeout(tFadeIn);
clearTimeout(tFadeWaiting);
if(sPop==null || sPop=="") {
dypopLayer.innerHTML="";
dypopLayer.style.filter="Alpha()";
dypopLayer.filters.Alpha.opacity=0;
}
else {
if(o.dyclass!=null) popStyle=o.dyclass 
else popStyle="cPopText";
curShow=setTimeout("showIt()",tPopWait);
}
}
}
function showIt(){
dypopLayer.className=popStyle;
dypopLayer.innerHTML=sPop;
popWidth=dypopLayer.clientWidth;
popHeight=dypopLayer.clientHeight;
if(MouseX+12+popWidth>document.body.clientWidth) popLeftAdjust=-popWidth-24
else popLeftAdjust=0;
if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24
else popTopAdjust=0;
dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
dypopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;
dypopLayer.style.filter="Alpha(Opacity=0)";
fadeOut();
}
function fadeOut(){
if(dypopLayer.filters.Alpha.opacity<popOpacity) {
dypopLayer.filters.Alpha.opacity+=showPopStep;
tFadeOut=setTimeout("fadeOut()",1);
}
else {
dypopLayer.filters.Alpha.opacity=popOpacity;
tFadeWaiting=setTimeout("fadeIn()",tPopShow);
}
}
function fadeIn(){
if(dypopLayer.filters.Alpha.opacity>0) {
dypopLayer.filters.Alpha.opacity-=1;
tFadeIn=setTimeout("fadeIn()",1);
}
}
document.onmouseover=showPopupText;
</script>
//插入文字
document.onclick =function(){ 
var oSource = window.event.srcElement; 
if(oSource.tagName!="DIV") 
return false; 
var sel = document.selection; 
if (sel!=null) { 
var rng = sel.createRange(); 
if (rng!=null) 
rng.pasteHTML("<font color=red>插入文字</font>"); 


//netscapte下操作xml
doc = new ActiveXObject("Msxml2.DOMDocument");
doc = new ActiveXObject("Microsoft.XMLDOM")
->>
doc = (new DOMParser()).parseFromString(sXML,'text/xml')
//判断键值
<html>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<head>
<script language="javascript">
var ie  =navigator.appName=="Microsoft Internet Explorer"?true:false;
  
function keyDown(e)
{
 if(!ie)
 {
  var nkey=e.which;
  var iekey='现在是ns浏览器';
  var realkey=String.fromCharCode(e.which);
 }
 if(ie)
 {
  var iekey=event.keyCode;
  var nkey='现在是ie浏览器';
  var realkey=String.fromCharCode(event.keyCode);
  if(event.keyCode==32){realkey='/' 空格/''}
  if(event.keyCode==13){realkey='/' 回车/''}
  if(event.keyCode==27){realkey='/' Esc/''}
  if(event.keyCode==16){realkey='/' Shift/''}
  if(event.keyCode==17){realkey='/' Ctrl/''}
  if(event.keyCode==18){realkey='/' Alt/''}
 }
 alert('ns浏览器中键值:'+nkey+'/n'+'ie浏览器中键值:'+iekey+'/n'+'实际键为'+realkey);
}
document.onkeydown = keyDown;
</script>
</head>
<body>
//Javascript Document.
<hr>
<center>
<h3>请按任意一个键。。。。</h3>
</center>
</body>
</html>
//禁止FSO

1.注销组件
regsvr32 /u scrrun.dll
2.修改PROGID 
HKEY_CLASSES_ROOT/Scripting.FileSystemObject
Scripting.FileSystemObject
3.对于使用object的用户,修改HKEY_CLASSES_ROOT/Scripting.

//省略号
<DIV STYLE="width: 120px; height: 50px; border: 1px solid blue;
            overflow: hidden; text-overflow:ellipsis">
<NOBR>就是比如有一行文字,很长,表格内一行显示不下.</NOBR>
</DIV>
//检测media play版本

<IE:clientCaps ID="oClientCaps" style="{behavior:url(#default#clientcaps)}" />
<SCRIPT>
var flash="";
    WMPVersion=
oClientCaps.getComponentVersion("{22D6F312-B0F6-11D0-94AB-0080C74C7E95}","ComponentID");
 
    if (WMPVersion != "") {
    flash = "";
    var version = WMPVersion.split(",");
    var i;
    for (i = 0; i < version.length; i++) {
      if (i != 0)
    flash += ".";
      flash += version[i];
    }
     document.write("您的Windows Media Player 版本是:"+flash+"<p>");
  }
</SCRIPT>


//图象按比例

<script language="JavaScript">
<!--
//图片按比例缩放
var flag=false;
function DrawImage(ImgD){
 var image=new Image();
 var iwidth = 80;  //定义允许图片宽度
 var iheight = 80;  //定义允许图片高度
 image.src=ImgD.src;
 if(image.width>0 && image.height>0){
 flag=true;
 if(image.width/image.height>= iwidth/iheight){
  if(image.width>iwidth){  
  ImgD.width=iwidth;
  ImgD.height=(image.height*iwidth)/image.width;
  }else{
  ImgD.width=image.width;  
  ImgD.height=image.height;
  }
  ImgD.alt=image.width+"×"+image.height;
  }
 else{
  if(image.height>iheight){  
  ImgD.height=iheight;
  ImgD.width=(image.width*iheight)/image.height;  
  }else{
  ImgD.width=image.width;  
  ImgD.height=image.height;
  }
  ImgD.alt=image.width+"×"+image.height;
  }
 }

//-->
</script>
<img src=".." onload = "DrawImage(this)">


//细线SELECT

<span style="border:1px solid #000000; position:absolute; overflow:hidden;" >
<select style="margin:-2px;">
<option>1111</option>
<option>11111111111111</option>
<option>111111111</option>
</select></span>

//Import

function Import() {
 for( var i=0; i<arguments.length; i++ ) {
  var file = arguments[i];
  if ( file.match(//.js$/i)) 
   document.write('<script type=/"text/javascript/" src=/"' + file + '/"></sc' +
'ript>');
  else
   document.write('<style type=/"text/css/">@import /"' + file + '/"
;</style>');
 }
};

//js枚举
function getComputerName()
{
 var objWMIService = GetObject("Winmgmts:root/cimv2");
 for(e = new Enumerator(objWMIService) ; !e.atEnd() ; e.moveNext())
 {
    var getComputer = e.item();
    return getComputer.Name;
 }
}


//条件编译

<script language=javascript>
/*@cc_on @*/
/*@if (@_win32 && @_jscript_version>5)
function window.confirm(str)
{
    execScript("n = msgbox('"+ str +"', 257)", "vbscript");
    return(n == 1);
}
@end @*/
</script>


//取得innerText

<SCRIPT LANGUAGE="JavaScript">
<!--
 var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.4.0");
 var currNode;
 xmlDoc.async = false;
 xmlDoc.async = false;
 xmlDoc.loadXML("<TABLENAME>      你好你阿三    大法     司法等四             
</TABLENAME>");
 currNode = xmlDoc.documentElement;
   
  var s = currNode.xml;
  var r = //<([^/>/s]*?)[^/>]*?/>([^/<]*?)/<///1/>/
  var b = s.replace(r,"$2");
  alert(b);
//-->
</SCRIPT>
//mergeAttributes 复制所有读/写标签属性到指定元素。
<SCRIPT>
function fnMerge(){
oSource.children[1].mergeAttributes(oSource.children[0]);
}
</SCRIPT>
<SPAN ID=oSource>
<DIV
ID="oDiv"
ATTRIBUTE1="true"
ATTRIBUTE2="true"
onclick="alert('click');"
onmouseover="this.style.color='#0000FF';"
onmouseout="this.style.color='#000000';"
>
This is a sample <B>DIV</B> element.
</DIV>
<DIV ID="oDiv2">
This is another sample <B>DIV</B> element.
</DIV>
</SPAN>
<INPUT
TYPE="button"
VALUE="Merge Attributes"
onclick="fnMerge()"
>

 
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