javascript小技巧

转载

mob604756f80175 2007-10-29 19:16:00

文章标签 xml javascript html 正则表达式 ico 文章分类 Html/CSS 前端开发

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>
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:'+
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

//不缓存

//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

//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)

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

//光标停在文字最后

function cc()

{

var e = event.srcElement;

var r =e.createTextRange();

r.moveStart('character',e.value.length);

r.collapse(true);

r.select();

}

</script>

//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

//网页是否被检索

　　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

//设置打印

classid="clsid:1663ed61-23eb-11d2-b92f-008048fdd814"

codebase="http://www.meadroid.com/scriptx/ScriptX.cab#Version=5,60,0,360"

></object>

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>

<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

.Noprint{display:none;}

.PageNext{page-break-after: always;}

</style>

</object>

</p>

</center>

//去掉打印时的页眉页脚

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>

//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

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>

</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>

<title>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键</title>

</head>

<body>

//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>

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>

<a href="#" onclick="return false"><h1>wlecome</h1></a>

</div>

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

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>

<STYLE>

.sHistory {behavior:url(#default#savehistory);}

</STYLE>

</HEAD>

<BODY>

</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

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

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

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

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

//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="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()">

</infolist>

</XML>

</body>

</html>

//获得参数

<body>

<a href="javascript:location.href=location.href + '?a=1&b=2'">search</a>

<!--

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

</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

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

//***********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>

<head>

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>

<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)}" />

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

<!--

//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>

//细线SELECT

</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

/*@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

<!--

var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.4.0");

var currNode;

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。

function fnMerge(){

oSource.children[1].mergeAttributes(oSource.children[0]);

}

</SCRIPT>

<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>

This is another sample <B>DIV</B> element.

</DIV>

</SPAN>

<INPUT

TYPE="button"

VALUE="Merge Attributes"

onclick="fnMerge()"

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