70种简单常用的JS代码
1、后退 前进
<input type="button" value="后退" onClick="history.go(-1)"> <input type="button" value="前进" onClick="history.go( 1 );return true;">
2、返回
<form><input type="button" value="返回上一步" onClick="history.back(-1)"></form>
3、查看源码
<input type="button" name="view" value="查看源码"
onClick="window.location="view-source:" +window.location.href"> 4、禁止查看源码
<body oncontextmenu="return false"></body> 5、刷新按钮一
<input type="button" value="刷新按钮一" onClick="ReloadButton()"> <script>function
ReloadButton(){location.href="i001.htm";}</script>
刷新按钮二
<input type="button" value="刷新按钮二" onClick="history.go(0)"> 6、回首页按钮
<input type="button" value="首页" onClick="HomeButton()"> <script>function
HomeButton(){location.href=http://www.winliuxq.com;}</script> 7、弹出警告框
<input type="button" value="弹出警告框" onClick="AlertButton()"> <script>function AlertButton(){window.alert("要多多光临呀！");}</script>
8、状态栏信息
<input type="button" value="状态栏信息" onClick="StatusButton()">
<script>function StatusButton(){window.status="要多多光临呀！";}</script>
9、背景色变换
<form><input type="button" value="背景色变换"
onClick="BgButton()"></form> <script>function BgButton(){
if (document.bgColor==’#00ffff’) {document.bgColor=’#ffffff’;} else{document.bgColor=’#00ffff’;} } </script> 10、打开新窗口 <input type="button" value="打开新窗口" onClick="NewWindow()"> <script>function NewWindow(){window.open("c01.htm","","height=240,width=340,status=no,location=no,toolbar=no,directories=no,menubar=no");} </script> 11、窗口最小化 <OBJECT id="min" type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11"><PARAM name="Command" value="Minimize"></OBJECT><button onClick="min.Click()">窗口最小化</button> 12、全屏代码 <input type="BUTTON" name="FullScreen" value="全屏显示" onClick="window.open(document.location, ’butong_net’, ’fullscreen’)"> 13、关闭窗口 <OBJECT id=closes type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11"><param name="Command" value="Close"></object><input type="button" value="关闭窗口" onClick="closes.Click();"> 关闭窗口 <input type=button value=关闭窗口 onClick="javascript:self.close()"> 14、最大化 <object id=big classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11"> <param name="Command" value="Maximize"></object><input type=button value=最大化 onClick=big.Click()> 15、关闭输入法 <input style="ime-mode:disabled" value=关闭输入法> 16、链接按钮1 <input type="button" value="链接按钮1" onClick="window.open(’http://www.winliuxq.com/’, ’Sample’, ’toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=yes,width=790,height=520,left=0,top=0’)" name="input"> 链接按钮2 <input type="BUTTON" NAME="Button" value="链接按钮2" onClick="showModalDialog(’http://www.winliuxq.com/’)"> 链接按钮3 <input type="submit" value="链接按钮3" onClick="location.href=’http://www.winliuxq.com/’"> 17、警告框显示源代码 <BUTTON onClick=alert(document.documentElement.outerHTML) style="width:110">警告框显示源代码</BUTTON> 18、点击后按钮清空 <input type=button value=’打印’ onClick="this.style.visibility=’hidden’;window.print();"> 19、打印 <input type=button value=’打印’ onClick="window.print();"> 20、打印预览 <OBJECT classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height=0 id=wb name=wb width=0></OBJECT> <input type=button value=打印预览 onclick="wb.execwb(7,1)"> 21、另存为 <input onClick="document.execCommand(’saveas’,’true’,’常用代码.htm’)" type=button value=另存为> 22、点击自动复制 <script>function oCopy(obj){obj.select();js=obj.createTextRange();js.execCommand("Copy")}</script> <input type="text" value="点击自动复制" onClick="oCopy(this)" size="11"> 23、自动选中 <input value="自动选中" onFocus="this.select()" onMouseOver="this.focus()" size="11">
24、打开源代码
<BUTTON onClick="document.location = ’view-source:’ + document.location" size="7">打开源代码</BUTTON>
25、新窗口延迟打开
<input type=button value=新窗口延迟打开
onClick=javascript:setTimeout("window.open(’http://www.winliuxq.com/’)",10000)>
26、实现选中文本框里的前一半的内容
<input type="text" value="选中文本框里的前一半的内容" size=30
onmouseover="this.select();tR=document.selection.createRange();tR.moveEnd(’character’,-8);tR.select();">
<input type="text" value="选中部分内容，非IE可以用这个" size=30 onmouseover="this.selectionStart=this.value.length-4;this.selectionEnd=this.value.length">
27、点击清空文字
<input type="text" name="artist" size=14 value="点击清空文字" onmouseover=this.focus() onfocus=this.select()
onclick="if(this.value==’点击清空文字’)this.value=’’"> 点击清空文字
<input name=name size=11 value=点击清空文字 onMouseOver=this.focus() onblur="if (this.value ==’’) this.value=’点击清空文字’"
onFocus=this.select() onClick="if (this.value==’点击清空文字’) this.value=’’">
28、等于标题(title):
<input type="text" value="" id="aa" size="20">
<script>document.getElementById("aa").value=document.title;</script>
29、检测IE是否脱机 <input type="button" value="测试" onclick="alert(window.navigator.onLine)"> 30、11种刷新按钮的方法 <input type=button value=刷新 onClick="history.go(0)"> <input type=button value=刷新 onClick="location.reload()"> <input type=button value=刷新 onClick="location=location"> <input type=button value=刷新 onClick="location.assign(location)"> <input type=button value=刷新 onClick="document.execCommand(’Refresh’)"> <input type=button value=刷新 onClick="window.navigate(location)"> <input type=button value=刷新 onClick="location.replace(location)"> <input type=button value=刷新 onClick="window.open(’自身的文件’,’_self’)"> <input type=button value=刷新 onClick=document.all.WebBrowser.ExecWB(22,1)> <OBJECT classid=CLSID:8856F961-340A-11D0-A96B-00C04FD705A2 height=0 id=WebBrowser width=0></OBJECT> <form action="自身的文件"><input type=submit value=刷新></form> <a id=a1 href="自身的文件"></a><input type=button value=刷新 onClick="a1.click()"> 31、 <a href="#" onClick=document.execCommand("open")>打开</a> 32、 <a onclick="window.open(’i001.htm’,’’,’height=300,width=300,resizable=no,location=net’);" href="">打开指定大小网页</a> 33、 <a href="#" onClick=location.replace("view-source:"+location)>使用 记事本 编辑</a> 34、 <a href="#" onClick=document.execCommand("saveAs")>另存为</a> 35、 <a href="#" onClick=document.execCommand("print")>打印</a> <a href="javascript:window.print();">打印</a> 36、 <a href=mailto:429752806@163.com>发送E-mail</a> 37、 <a href="#" onClick=document.execCommand("selectAll")>全选</a> 38、 <a href="#" onClick=location.reload()>刷新1</a> 39、 <a href="#" onClick=history.go(0)>刷新2</a> 50、 <a href="i003.htm" onclick="return false;" ondblclick="window.open(’i003.htm’);">双击打开链接</a> 51、 <style>#close a:hover {background:url(javascript:window.opener=0;window.close());}</style><div id=close><a href="">关闭窗口</a></div> 52、 <A HREF="javascript:void(0)" onMouseover="alert(’对不起,禁止选中!’)">链接禁止</A> 53、滚动条在左侧,将<html>改为<HTML DIR="RTL"> 54、网页半透明 <body style="filter:Alpha(Opacity=50)"> 55、随机选择背景色 <body> <script> document.body.style.background=(["red","blue","pink","navy","gray","yellow","green","purple"])[parseInt(Math.random()*8)]; </script> 56、框架页中不显示滚动条： <SCRIPT> self.moveTo(0,0) self.resizeTo(screen.availWidth,screen.availHeight) </SCRIPT> 57、防止网页被框架 <SCRIPT LANGUAGE=JAVASCRIPT> if (top.location !== self.location) { top.location=self.location; } </SCRIPT> 58、永远都会带着框架 <script language="javascript"><!-- if (window == top)top.location.href = "frame.htm"; //frame.htm为框架网页 // --></script> 59、窗口自动最大化 <script language="JavaScript"><!-- self.moveTo(0,0) self.resizeTo(screen.availWidth,screen.availHeight) //--></script> 60、打开窗口自动最大化 <OBJECT classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" onreadystatechange="if (this.readyState==4) this.Click();" VIEWASTEXT><PARAM name="Command" value="Maximize"></OBJECT> 61、爽眼闪屏代码 <script>var color = new Array;color[1] = "black";color[2] = "white";for(x = 0; x <3; x++){document.bgColor = color[x];if(x == 2){x = 0;}}</script> 62、不能被另存为 <noscript><iframe src=*.html></iframe></noscript> 63、汉字字库调用 <script> for(i=19968;i<40870;i++)document.write(String.fromCharCode(i)); </script> 64、显示现在时间的脚本 <script language=vbscript>document.write now</script> 65、显示最后修改时间的脚本 <script>document.write(document.lastModified)</script> 66、按下F12键,直接返回首页 <script>function look(){ if(event.keyCode==123){document.location.href=http://www.winliuxq.com/} } if(document.onkeydown==null) {document.onkeydown=look} </script> 67、端口检测 <img src="http://www.winliuxq/zza.jpg" onload="alert(’端口可用’)" onerror="alert(’端口禁止’)"...> 68、无法最小化的窗口 <body onblur=’self.focus();’> 69、链接点外部css文件 <style>@import url("ie.css");</style> 70、内嵌式框架-网页中调用另外网页： <object type="text/x-scriptlet" width="600" height="1000" data="http://www.dushuwu.net/"></object> 71、刷新改变窗口大小 <OBJECT classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" onreadystatechange="if (this.readyState==4) this.Click();" VIEWASTEXT><PARAM name="Command" value="Maximize"></OBJECT> 72、JavaScript实现网页竖虚线 <script>hei=120;d1=2;d2=2;cou=Math.floor(hei/(d1+d2)); document.write(’<table cellspacing=0 cellpadding=0 width=1 height=’+hei+’>’); for(i=0;i<cou;i++){document.write(’<tr><td height=’+d2+’><tr><td height=’+d1+’ bgcolor=333333>’)}</script></table> 73、js翻页 <script>document.write("<a href="+location.href.replace(/\.html/g,"_2.html")+">2</a>");</script>
