javascript技巧,javascript调用C#方法

  • javascript调用C#方法

1、首先建立一个按钮,在后台将调用或处理的内容写入button_click中;

2、在前台写一个js函数,内容为document.getElementById("btn1").click();

3、在前台或后台调用js函数,激发click事件,等于访问后台c#函数;

  • 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

  • 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)



  • <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:'+ 'http://www.csdn.net/'">

  • 关闭输入法

    <input >

  • 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 ><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

<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 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

//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

//打印分页

//设置打印

<object viewastext

class

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 width=0 height=0 class>

</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 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 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 src="logo.gif" ondrag="doDrag();" onmouseover="this.style.cursor='hand'" 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" 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

//访问剪贴板

//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

//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

+"Password=; Initial Catalog=pubs");

var rs = new ActiveXObject("ADODB.Recordset");

var sql="select * from authors";

rs.open(sql, conn);

shtml = "<table width='100%' ;

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 TYPE=button value="<< 第一条记录" onclick="xmldate.recordset.moveFirst()">

<input TYPE=button value="<上一条记录" onclick="xmldate.recordset.movePrevious()">

<input TYPE=button value="下一条记录>" onclick="xmldate.recordset.moveNext()">

<input TYPE=button value="最后一条记录>>" onclick="xmldate.recordset.moveLast()">

<input TYPE=button value="添加新记录" onclick="xmldate.recordset.addNew()">

<XML >

<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 ><span ><select name="r00" 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'>");

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 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 pop;

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

//判断键值

//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

//检测media play版本

//图象按比例

//细线SELECT

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

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 >

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

</DIV>

</SPAN>

<INPUT

TYPE="button"

VALUE="Merge Attributes"

onclick="fnMerge()"

>



<span >

<select >

<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

<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)">

<IE: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>

<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>

<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>

doc = new ActiveXObject("Msxml2.DOMDocument");

doc = new ActiveXObject("Microsoft.XMLDOM")

->>

doc = (new DOMParser()).parseFromString(sXML,'text/xml')

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

(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");

<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>

<p >page1</p>

<p >page2</p>

<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":

<object clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">

<param name="Command" value="Minimize"></object>

<object clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">

<param name="Command" value="Maximize"></object>

<OBJECT 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()>

<META HTTP-EQUIV="pragma" CONTENT="no-cache">

<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">

<META HTTP-EQUIV="expires" CONTENT="0">

<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)">

<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">