"Javascript实用小技巧汇总" 资源-CSDN下载

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Javascript小技巧一箩筐事件源对象 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:"+ "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 += " 网页可见区域宽："+ document.body.clientWidth; s += " 网页可见区域高："+ document.body.clientHeight; s += " 网页可见区域高："+ document.body.offsetWeight +" (包括边线的宽)"; s += " 网页可见区域高："+ document.body.offsetHeight +" (包括边线的宽)"; s += " 网页正文全文宽："+ document.body.scrollWidth; s += " 网页正文全文高："+ document.body.scrollHeight; s += " 网页被卷去的高："+ document.body.scrollTop; s += " 网页被卷去的左："+ document.body.scrollLeft; s += " 网页正文部分上："+ window.screenTop; s += " 网页正文部分左："+ window.screenLeft; s += " 屏幕分辨率的高："+ window.screen.height; s += " 屏幕分辨率的宽："+ window.screen.width; s += " 屏幕可用工作区高度："+ window.screen.availHeight; s += " 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 <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)"> //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： [s| ]* 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 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.left oRect. //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 onclick=min.Click()> <input type=button value=最大化 onclick=max.Click()> <input type=button value=关闭 onclick=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" 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 <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" viewastext classid="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 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;} .PageNext{page-break-after: always;} </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 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 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("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"> </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。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"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> <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+" "+"ie浏览器中键值:"+iekey+" "+"实际键为"+realkey); } document.onkeydown = keyDown; </script> </head> <body> //Javascript Document. <hr> <center> <h3>请按任意一个键。。。。</h3> </center> </body> </html> //禁止FSO 1.注销组件 regsvr32 /u scrrun.dll 2.修改PROGID HKEY_CLASSES_ROOTScripting.FileSystemObject Scripting.FileSystemObject 3.对于使用object的用户，修改HKEY_CLASSES_ROOTScripting. //省略号 <DIV STYLE="width: 120px; height: 50px; border: 1px solid blue; overflow: hidden; text-overflow:ellipsis"> <NOBR>就是比如有一行文字，很长，表格内一行显示不下.</NOBR> </DIV> //检测media play版本 <IE:clientCaps ID="oClientCaps" style="{behavior:url(#default#clientcaps)}" /> <SCRIPT> var flash=""; WMPVersion= oClientCaps.getComponentVersion("{22D6F312-B0F6-11D0-94AB-0080C74C7E95}","ComponentID"); if (WMPVersion != "") { flash = ""; var version = WMPVersion.split(","); var i; for (i = 0; i < version.length; i++) { if (i != 0) flash += "."; flash += version[i]; } document.write("您的Windows Media Player 版本是:"+flash+"<p>"); } </SCRIPT> //图象按比例 <script language="JavaScript">  </script> <img src=".." onload = "DrawImage(this)"> //细线SELECT function getComputerName() { var objWMIService = GetObject("Winmgmts:rootcimv2"); for(e = new Enumerator(objWMIService) ; !e.atEnd() ; e.moveNext()) { var getComputer = e.item(); return getComputer.Name; } } //条件编译 <script language=javascript> /*@cc_on @*/ /*@if (@_win32 && @_jscript_version>5) function window.confirm(str) { execScript("n = msgbox(""+ str +"", 257)", "vbscript"); return(n == 1); } @end @*/ </script> //取得innerText <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> //mergeAttributes 复制所有读/写标签属性到指定元素。 <SCRIPT> function fnMerge(){ oSource.children[1].mergeAttributes(oSource.children[0]); } </SCRIPT> <SPAN ID=oSource> <DIV ID="oDiv" ATTRIBUTE1="true" ATTRIBUTE2="true" onclick="alert("click");" onmouseover="this.style.color="#0000FF";" onmouseout="this.style.color="#000000";" > This is a sample <B>DIV</B> element. </DIV> <DIV ID="oDiv2"> This is another sample <B>DIV</B> element. </DIV> </SPAN> <INPUT TYPE="button" VALUE="Merge Attributes" onclick="fnMerge()" > 以上内容可以随意转载，转载后请注名来源和出处！原文链接：http://ttyp.cnblogs.com/archive/2004/11/15/63900.aspx <span style="border:1px solid #000000; position:absolute; overflow:hidden;" > <select style="margin:-2px;"> <option>1111</option> <option>11111111111111</option> <option>111111111</option> </select></span> //Import function Import() { for( var i=0; i<arguments.length; i++ ) { var file = arguments[i]; if ( file.match(/.js$/i)) document.write("<script type="text/javascript" src="" + file + ""></sc" + "ript>"); else document.write("<style type="text/css">@import "" + file + "" ;</style>"); } }; //js枚举 function getComputerName() { var objWMIService = GetObject("Winmgmts:rootcimv2"); for(e = new Enumerator(objWMIService) ; !e.atEnd() ; e.moveNext()) { var getComputer = e.item(); return getComputer.Name; } } //条件编译 <script language=javascript> /*@cc_on @*/ /*@if (@_win32 && @_jscript_version>5) function window.confirm(str) { execScript("n = msgbox(""+ str +"", 257)", "vbscript"); return(n == 1); } @end @*/ </script> //取得innerText <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> //mergeAttributes 复制所有读/写标签属性到指定元素。 <SCRIPT> function fnMerge(){ oSource.children[1].mergeAttributes(oSource.children[0]); } </SCRIPT> <SPAN ID=oSource> <DIV ID="oDiv" ATTRIBUTE1="true" ATTRIBUTE2="true" onclick="alert("click");" onmouseover="this.style.color="#0000FF";" onmouseout="this.style.color="#000000";" > This is a sample <B>DIV</B> element. </DIV> <DIV ID="oDiv2"> This is another sample <B>DIV</B> element. </DIV> </SPAN> <INPUT TYPE="button" VALUE="Merge Attributes" onclick="fnMerge()" > 电子书制作：源码爱好者

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