javascript实用代码大全
事件源对象event.srcElement.tagNameevent.srcElement.type捕获释放event.srcElement.setCapture();event.srcElement.releaseCapture();事件按键event.keyCodeevent.shiftKeyevent.altKeyevent.ctrlKey事件返回值event.returnvalue鼠标位置event.xevent.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COOKIEdocuments.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=="TDdocument.elementFromPoint(event.x,event.y).appendChild(ms)窗体图片document.images[索引]窗体事件绑定document.οnmοusedοwn=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CSSdocument.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.cssTextHTML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=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 οncοntextmenu="return false" οndragstart="return false" onselectstart ="return false" οnselect="document.selection.empty()" οncοpy="document.selection.empty()" onbeforecopy="return false"οnmοuseup="document.selection.empty()>禁止粘贴<input type=text οnpaste="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 οnclick="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" οnfοcus="this.select()">ENTER键可以让光标移到下一个输入框<input οnkeydοwn="if(event.keyCode==13)event.keyCode=9">文本框的默认值<input type=text value="123" οnfοcus="alert(this.defaultvalue)">title换行obj.title = "123 sdfs "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.closedcheckbox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 οnlοad="window.resizeTo(window.screen.width - 4,window.screen.height-50);window.moveTo(-4,-4)">无关闭按钮IEwindow.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 οnmοuseοver="this.bgColor='#f0f0f0'" οnmοuseοut="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 οnkeypress="return event.keyCode>=48&&event.keyCode<=57||(this.value.indexOf('.')<0?event.keyCode==46:false)" οnpaste="return !clipboardData.getData('text').match(//D/)" οndragenter="return false">
//特殊用途
<input type=button value=导入收藏夹 οnclick="window.external.ImportExportFavorites(true,'http://localhost');"><input type=button value=导出收藏夹 οnclick="window.external.ImportExportFavorites(false,'http://localhost');"><input type=button value=整理收藏夹 οnclick="window.external.ShowBrowserUI('OrganizeFavorites', null)"><input type=button value=语言设置 οnclick="window.external.ShowBrowserUI('LanguageDialog', null)"><input type=button value=加入收藏夹 οnclick="window.external.AddFavorite('http://www.google.com/', 'google')"><input type=button value=加入到频道 οnclick="window.external.addChannel('http://www.google.com/')"><input type=button value=加入到频道 οnclick="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:οnkeyup="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: οnkeyup="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:οnkeyup="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:οnkeyup="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.userAgentvar ie=navigator.appName=="Microsoft Internet Explorer"?true:falseif(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.leftoRect.//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 οnclick=min.Click()><input type=button value=最大化 οnclick=max.Click()><input type=button value=关闭 οnclick=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" οnfοcus="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" viewastextclassid="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 οnclick="factory.printing.PageSetup()"><input type=button value=打印预览 οnclick="factory.printing.Preview()">
<script language=javascript>function window.onload(){// -- advanced featuresfactory.printing.SetMarginMeasure(2) // measure margins in inchesfactory.printing.SetPageRange(false, 1, 3) // need pages from 1 to 3factory.printing.printer = "HP DeskJet 870C"factory.printing.copies = 2factory.printing.collate = truefactory.printing.paperSize = "A4"factory.printing.paperSource = "Manual feed"// -- basic featuresfactory.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 = falsefactory.printing.leftMargin = 0.75factory.printing.topMargin = 1.5factory.printing.rightMargin = 0.75factory.printing.bottomMargin = 1.5}function Print(frame) {factory.printing.Print(true, frame) // print with prompt}</script><input type=button value="打印本页" οnclick="factory.printing.Print(false)"><input type=button value="页面设置" οnclick="factory.printing.PageSetup()"><input type=button value="打印预览" οnclick="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 οnclick=document.all.WebBrowser.ExecWB(6,1)><input type=button value=直接打印 οnclick=document.all.WebBrowser.ExecWB(6,6)><input type=button value=页面设置 οnclick=document.all.WebBrowser.ExecWB(8,1)></p><p> <input type=button value=打印预览 οnclick=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" οnclick=PageSetup_Null()><input type="button" value="恢复页码" οnclick=PageSetup_Default()>//浏览器验证
function checkBrowser(){this.ver=navigator.appVersionthis.dom=document.getElementById?1:0this.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(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) 2002-6-18function 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 + Revent.keyCode=0;event.returnvalue=false;}if (event.keyCode==122){event.keyCode=0;event.returnvalue=false;} //屏蔽F11if (event.ctrlKey && event.keyCode==78) event.returnvalue=false; //屏蔽 Ctrl+nif (event.shiftKey && event.keyCode==121)event.returnvalue=false; //屏蔽 shift+F10if (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' οnmοusedοwn=MouseDown(this) οnmοusemοve=MouseMove() οnmοuseup=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" οndrag="doDrag();" οnmοuseοver="this.style.cursor='hand'" style="position:absolute;left=100;top=100;" οnmοusedοwn="doMouseDown();"><a href="#" οnclick="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.scrollHeightdocument.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){documents.cookie = sName + "=" + escape(svalue) + "; ";}function GetCookie(sName){var aCookie = documents.cookie.split("; ");for (var i=0; i < aCookie.length; i++){
var aCrumb = aCookie.split("=");if (sName == aCrumb[0])return unescape(aCrumb[1]);}
}function DelCookie(sName){documents.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 = "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;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=adTypeBinaryadodbStream.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 ThenstrReturn = strReturn & ThisChrElseinnerCode = Asc(ThisChr)If innerCode < 0 TheninnerCode = innerCode + &H10000End IfHight8 = (innerCode And &HFF00)/ &HFFLow8 = innerCode And &HFFstrReturn = strReturn & "%" & Hex(Hight8) & "%" & Hex(Low8)End IfNextURLEncoding = strReturnEnd FunctionFunction bytes2BSTR(vIn)strReturn = ""For i = 1 To LenB(vIn)ThisCharCode = AscB(MidB(vIn,i,1))If ThisCharCode < &H80 ThenstrReturn = strReturn & Chr(ThisCharCode)ElseNextCharCode = AscB(MidB(vIn,i+1,1))strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))i = i + 1End IfNextbytes2BSTR = strReturnEnd Functiondim strA,oReqstrA = URLEncoding("submit1=Submit&text1=中文")set oReq = CreateObject("MSXML2.XMLHTTP")oReq.open "POST","http://ServerName/VDir/TstResult.asp",falseoReq.setRequestHeader "Content-Length",Len(strA)oReq.setRequestHeader "CONTENT-TYPE","application/x-www-form-urlencoded"oReq.send strAmsgbox 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" οnclick="xmldate.recordset.moveFirst()"><input id="prev" TYPE=button value="<上一条记录" οnclick="xmldate.recordset.movePrevious()"><input id="next" TYPE=button value="下一条记录>" οnclick="xmldate.recordset.moveNext()"><input id="last" TYPE=button value="最后一条记录>>" οnclick="xmldate.recordset.moveLast()"><input id="Add" TYPE=button value="添加新记录" οnclick="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=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 = /([^&]*?)/=([^&]*)/gvar s = a.match(re);for(var i= 0;i<s.length;i++){alert(s);alert(s.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
www.itpub.net/attachment.php?s=&postid=1894598www.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.dyclasselse 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-24else popLeftAdjust=0;if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24else 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.οnmοuseοver=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.dll2.修改PROGIDHKEY_CLASSES_ROOT/Scripting.FileSystemObjectScripting.FileSystemObject3.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;}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;if ( file.match(//.js$/i))document.write('<script type=/"text/javascript/" src=/"' + file + '/"></sc' + 'ript>');elsedocument.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><DIVID="oDiv"ATTRIBUTE1="true"ATTRIBUTE2="true"οnclick="alert('click');"οnmοuseοver="this.style.color='#0000FF';"οnmοuseοut="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><INPUTTYPE="button"value="Merge Attributes"οnclick="fnMerge()">
