//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_ROOTScripting.FileSystemObject
Scripting.FileSystemObject
3.对于使用object的用户，修改HKEY_CLASSES_ROOTScripting.
//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:rootcimv2");
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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