javascript 技巧集

http://blog.5d.cn/user25/amigos/200703/374910.html

  • 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:[email protected]?subject=ccc&body=xxxyyy">
  • 快速转到位置
    obj.scrollIntoView(true)

  • <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<bodyoncontextmenu="returnfalse"ondragstart="returnfalse"onselectstart="returnfalse"onselect="document.selection.empty()"oncopy="document.selection.empty()"onbeforecopy="returnfalse"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

//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

<IMGSRC="mypicture.jpg"HEIGHT="100px"WIDTH="100px"GALLERYIMG="false">
or
<head>
<metahttp-equiv="imagetoolbar"content="no">
</head>

//无提示关闭

functionClose()
{
varua=navigator.userAgent
varie=navigator.appName== "MicrosoftInternetExplorer"? true:false
if(ie)
{
varIEversion=parseFloat(ua.substring(ua.indexOf( "MSIE")+5,ua.indexOf( ";",ua.indexOf( "MSIE"))))
if(IEversion<5.5)
{
varstr='<objectid=noTipCloseclassid= "clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'
str+='<paramname= "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)

<scriptlanguage= "javascript">
functiongetoffset(e)
{
vart=e.offsetTop;
varl=e.offsetLeft;
while(e=e.offsetParent)
{
t+=e.offsetTop;
l+=e.offsetLeft;
}
varrec= new Array(1);
rec[0]=t;
rec[1]=l;
returnrec
}
</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
<scriptlanguage= "javascript">
functioncc()
{
vare=event.srcElement;
varr=e.createTextRange();
r.moveStart('character',e.value.length);
r.collapse( true);
r.select();
}
</script>
<inputtype=textname=text1value= "123"onfocus= "cc()">

//页面进入和退出的特效

进入页面<metahttp-equiv= "Page-Enter"content= "revealTrans(duration=x,transition=y)">
推出页面<metahttp-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


//打印分页


//设置打印

<objectid= "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>
<inputtype=buttonvalue=页面设置onclick= "factory.printing.PageSetup()">
<inputtype=buttonvalue=打印预览onclick= "factory.printing.Preview()">

<scriptlanguage=javascript>
functionwindow.onload()
{
//--advancedfeatures
factory.printing.SetMarginMeasure(2) //measuremarginsininches
factory.printing.SetPageRange( false,1,3) //needpagesfrom1to3
factory.printing.printer= "HPDeskJet870C"
factory.printing.copies=2
factory.printing.collate=true
factory.printing.paperSize= "A4"
factory.printing.paperSource= "Manualfeed"
//--basicfeatures
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
}
functionPrint(frame){
factory.printing.Print( true,frame) //printwithprompt
}
</script>
<inputtype=buttonvalue= "打印本页"onclick= "factory.printing.Print(false)">
<inputtype=buttonvalue= "页面设置"onclick= "factory.printing.PageSetup()">
<inputtype=buttonvalue= "打印预览"onclick= "factory.printing.Preview()"><br>
<ahref= "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
<stylemedia=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>
<objectid= "WebBrowser"width=0height=0classid= "CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">
</object>

<centerclass= "Noprint">
<inputtype=buttonvalue=打印onclick=document.all.WebBrowser.ExecWB(6,1)>
<inputtype=buttonvalue=直接打印onclick=document.all.WebBrowser.ExecWB(6,6)>
<inputtype=buttonvalue=页面设置onclick=document.all.WebBrowser.ExecWB(8,1)>
</p>
<p><inputtype=buttonvalue=打印预览onclick=document.all.WebBrowser.ExecWB(7,1)>
</center>

//去掉打印时的页眉页脚

<scriptlanguage= "JavaScript">
varHKEY_Root,HKEY_Path,HKEY_Key;
HKEY_Root= "HKEY_CURRENT_USER";
HKEY_Path= "\\Software\\Microsoft\\InternetExplorer\\PageSetup\\";
//设置网页打印的页眉页脚为空
functionPageSetup_Null()
{
try
{
varWsh= 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
functionPageSetup_Default()
{
try
{
varWsh= 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>
<inputtype= "button"value= "清空页码"onclick=PageSetup_Null()>
<inputtype= "button"value= "恢复页码"onclick=PageSetup_Default()>

//浏览器验证

functioncheckBrowser()
{
this.ver=navigator.appVersion
this.dom=document.getElementById?1:0
this.ie6=( this.ver.indexOf( "MSIE6")>-1&& this.dom)?1:0;
this.ie5=( this.ver.indexOf( "MSIE5")>-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

<SCRIPTlanguage= "javascript">
functiontest(obj)
{
varrange=obj.createTextRange();
alert( "内容区宽度:"+range.boundingWidth
+ "px\r\n内容区高度:"+range.boundingHeight+ "px");

}
</SCRIPT>
<BODY>
<Textareaid= "txt"height= "150">sdf</textarea><INPUTtype= "button"value= "计算内容宽度"onClick= "test(txt)">
</BODY>

//无模式的提示框

functionmodelessAlert(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>
<metahttp-equiv= "Content-Type"content= "text/html;charset=gb2312">
<noscript><metahttp-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>
<scriptlanguage= "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
functiondocument.oncontextmenu(){event.returnValue= false;} //屏蔽鼠标右键
functionwindow.onhelp(){ return false} //屏蔽F1帮助
functiondocument.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.<spanstyle='position:absolute;width:200;height:200;background:red'onmousedown=MouseDown( this)onmousemove=MouseMove()onmouseup=MouseUp()>meizz</span>
<scriptlanguage=javascript>
varObj;
functionMouseDown(obj)
{
Obj=obj;
Obj.setCapture();
Obj.l=event.x-Obj.style.pixelLeft;
Obj.t=event.y-Obj.style.pixelTop;
}
functionMouseMove()
{
if(Obj!= null)
{
Obj.style.left=event.x-Obj.l;
Obj.style.top=event.y-Obj.t;
}
}
functionMouseUp()
{
if(Obj!= null)
{
Obj.releaseCapture();
Obj= null;
}
}
</script>
2.
<divid= "myDiv"src= "logo.gif"ondrag= "doDrag();"onmouseover= "this.style.cursor='hand'"style= "position:absolute;left=100;top=100;"onmousedown= "doMouseDown();">
<ahref= "#"onclick= "returnfalse"><h1>wlecome</h1></a>
</div>
<scriptlanguage= "JavaScript"type= "text/javascript">
varorgMouseX;
varorgMouseY;
varorgObjX;
varorgObjY;
functiondoDrag()
{
varmyObject=document.all.myDiv;

varx=event.clientX;
vary=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);

}
functiondoMouseDown()
{
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

<iframesrc= "a.html"id= "f"name= "f"scrolling= "no"frameborder=0marginwidth=0marginheight=0></iframe>
<script>
vardoc=window.frames[ "f"].document;
functions(){
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

//访问剪贴板

//操作COOKIE

functionSetCookie(sName,sValue)
{
document.cookie=sName+ "="+escape(sValue)+ ";";
}
functionGetCookie(sName)
{
varaCookie=document.cookie.split( ";");
for( vari=0;i<aCookie.length;i++)
{

varaCrumb=aCookie[i].split( "=");
if(sName==aCrumb[0])
returnunescape(aCrumb[1]);
}

}
functionDelCookie(sName)
{
document.cookie=sName+ "="+escape(sValue)+ ";expires=Fri,31Dec199923:59:59GMT;";
}

//setTimeout增加参数

<script>
var_st=window.setTimeout;
window.setTimeout= function(fRef,mDelay){
if(typeoffRef==' function'){
varargu= Array.prototype.slice.call(arguments,2);
varf=( function(){fRef.apply( null,argu);});
return_st(f,mDelay);
}
return_st(fRef,mDelay);
}
functiontest(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;
varargus= new Array();
for( vari=0;i<argu.length;i++)
argus[i]= "argu["+i+ "]";
varr;
eval( "r="+(obj?( "obj._caller("+argus.join( ",")+ ");"):( "this("+argus.join( ",")+ ");")));
returnr;
};
Function.prototype.call= function(obj){
varargu= new Array();
for( vari=1;i<arguments.length;i++)
argu[i-1]=arguments[i];
return this.apply(obj,argu);
};


//下载文件

functionDownURL(strRemoteURL,strLocalURL)
{
try
{
varxmlHTTP= new ActiveXObject( "Microsoft.XMLHTTP");
xmlHTTP.open( "Get",strRemoteURL, false);
xmlHTTP.send();
varadodbStream= 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

//组件是否安装
isComponentInstalled("{6B053A4B-A7EC-4D3D-4567-B8FF8A1A5739}", "componentID"))

//检查网页是否存在

functionCheckURL(URL)
{
varxmlhttp= new ActiveXObject( "Microsoft.XMLHTTP");
xmlhttp.Open( "GET",URL, false);
try
{
xmlhttp.Send();
varresult=xmlhttp.status;
}
catch(e){ return( false);}
if(result==200)
{
return true;
}
xmlhttp= null;
return false;
}

//连接数据库

<scriptlanguage= "javascript">
//用JavaScript写服务器端连接数据库的代码示例
varconn= new ActiveXObject( "ADODB.Connection");
conn.Open( "Provider=SQLOLEDB.1;DataSource=localhost;UserID=sa;"
+ "Password=;InitialCatalog=pubs");
varrs= new ActiveXObject( "ADODB.Recordset");
varsql= "select*fromauthors";
rs.open(sql,conn);
shtml= "<tablewidth='100%'border=1>";
shtml+= "<trbgcolor='#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:<inputtype=textdatasrc=#xmldateDataFLD=srnosize= "76"><BR>
times:<inputtype=textdatasrc=#xmldateDataFLD=timessize= "76"><BR>
<inputid= "first"TYPE=buttonvalue= "<< 第一条记录"onclick= "xmldate.recordset.moveFirst()">
<inputid= "prev"TYPE=buttonvalue= "<上一条记录"onclick= "xmldate.recordset.movePrevious()">
<inputid= "next"TYPE=buttonvalue= "下一条记录>"onclick= "xmldate.recordset.moveNext()">
<inputid= "last"TYPE=buttonvalue= "最后一条记录>>"onclick= "xmldate.recordset.moveLast()">
<inputid= "Add"TYPE=buttonvalue= "添加新记录"onclick= "xmldate.recordset.addNew()">

<XMLID= "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>
<ahref= "javascript:location.href=location.href+'?a=1&b=2'">search</a>
<scriptlanguage= "JavaScript">
<!--
vara=location.search.substr(1);
if(a.length>0)
{
varre=/([^&]*?)\=([^&]*)/g
vars=a.match(re);
for( vari=0;i<s.length;i++)
{
alert(s[i]);
alert(s[i].split( "=")[1]);
}
}
//-->
</script>
</body>

//可编辑SELECT

<inputtype=textname=re_namestyle= "width:100px;height:21px;font-size:10pt;"><spanstyle= "width:18px;border:0pxsolidred;"><selectname= "r00"style= "margin-left:-100px;width:118px;background-color:#FFEEEE;"onChange= "document.all.re_name.value=this.value;">
<optionvalue= "1">11111111<option>
<optionvalue= "2">222222</option>
<optionvalue= "3">333333</option>
</select>
</span>

//设置光标位置

functiongetCaret(textbox)
{
varcontrol=document.activeElement;
textbox.focus();
varrang=document.selection.createRange();
rang.setEndPoint( "StartToStart",textbox.createTextRange())
control.focus();
returnrang.text.length;
}
functionsetCaret(textbox,pos)
{
try
{
varr=textbox.createTextRange();
r.moveStart('character',pos);
r.collapse( true);
r.select();
}
catch(e)
{}
}
functionselectLength(textbox,start,len)
{
try
{
varr=textbox.createTextRange();

r.moveEnd('character',len-(textbox.value.length-start));
r.moveStart('character',start);

r.select();
}
catch(e)
{ //alert(e.description)}
}
functioninsertAtCaret(textbox,text)
{
textbox.focus();
document.selection.createRange().text=text;
}


//页内查找

functionfindInPage(str)
{
vartxt,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

<scriptlanguage= "javascript">
functionjStartExcel(){
varxls= new ActiveXObject( "Excel.Application");
xls.visible= true;
varnewBook=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= "FirstColumn,FirstCell";
newBook.Worksheets(1).Cells(2,1).value= "FirstColumn,SecondCell";
newBook.Worksheets(1).Cells(1,2).value= "SecondColumn,FirstCell";
newBook.Worksheets(1).Cells(2,2).value= "SecondColumn,SecondCell";
newBook.Worksheets(1).Name= "MyFirstWorkSheet";
}
</script>


//自定义提示条

<ahref= "#"title= "这是提示">tip</a>
<scriptLanguage= "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( "<styletype='text/css'id='defaultPopStyle'>");
document.write( ".cPopText{background-color:#F8F8F5;color:#000000;border:1px#000000solid;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( "<divid='dypopLayer'style='position:absolute;z-index:1000;'class='cPopText'></div>");

functionshowPopupText(){
varo=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(tF
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