javascript常用小例子

    技术2022-07-02  82

    1.让文字不停地滚动

      <MARQUEE>滚动文字</MARQUEE>

    2.记录并显示网页的最后修改时间

      <script language=Javascript>   document.write("最后更新时间: " + document.lastModified + "")   </script>

    3.关闭当前窗口

      <a href="/"onClick="javascript:window.close();return false;">关闭窗口</a>

    4.5秒后关闭当前页

      <script language="Javascript">   <!--   setTimeout('window.close();',5000);   -->   </script>

    5.2秒后载入指定网页

      <head>   <meta http-equiv="refresh" content="2;URL=http://你的网址">   </head>

    6.添加到收藏夹

      <script Language="Javascript">   function bookmarkit()   {   window.external.addFavorite('http://你的网址','你的网站名称')   }   if (document.all)document.write('<a href="#" onClick="bookmarkit()">加入收藏夹</a>')   </script>

    7.让超链接不显示下划线

      <style type="text/css">   <!-   a:link{text-decoration:none}   a:hover{text-decoration:none}   a:visited{text-decoration:none}   ->   </style>

    8.禁止鼠标右键的动作

      <script Language = "Javascript">   function click() { if (event.button==2||event.button==3)   {   alert('禁止鼠标右键');   }   document.οnmοusedοwn=click // -->   </script>

    9.设置该页为首页

      <body bgcolor="#FFFFFF" text="#000000">   <!-- 网址:http://你的网址-->   <a class="chlnk" style="cursor:hand" HREF   onClick="this.style.behavior='url(#default#homepage)';   this.setHomePage('你的网站名称);"><font color="000000" size="2" face="宋体">设为首页</font></a>   </body>

    10.节日倒计时

      <script Language="Javascript">   var timedate= new Date("December 25,2003");   var times="圣诞节";   var now = new Date();   var date = timedate.getTime() - now.getTime();   var time = Math.floor(date / (1000 * 60 * 60 * 24));   if (time >= 0)   document.write("现在离"+times+"还有: "+time +"天")</script>

    11.单击按钮打印出当前页

      <script Language="Javascript">   <!-- Begin   if (window.print) {   document.write('<form>'   + '<input type=button name=print value="打印本页" '   + 'onClick="javascript:window.print()"></form>');   }   // End -->   </script>

    12.单击按钮‘另存为’当前页

      <input type="button" name="Button" value="保存本页"   onClick="document.all.button.ExecWB(4,1)">   <object id="button"   width=0   height=0   classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">   <embed width="0" height="0"></embed>   </object>

    13.显示系统当前日期

      <script language=Javascript>   today=new Date();   function date(){   this.length=date.arguments.length   for(var i=0;i<this.length;i++)   this[i+1]=date.arguments }   var d=new date("星期日","星期一","星期二","星期三","星期四","星期五","星期六");   document.write(   "<font color=##000000 style='font-size:9pt;font-family: 宋体'> ",   today.getYear(),"年",today.getMonth()+1,"月",today.getDate(),"日",   d[today.getDay()+1],"</font>" );   </script>

    14.不同时间段显示不同问候语

      <script Language="Javascript">   <!--   var text=""; day = new Date( ); time = day.getHours( );   if (( time>=0) && (time < 7 ))     text="夜猫子,要注意身体哦! "   if (( time >= 7 ) && (time < 12))     text="今天天气……哈哈哈,不去玩吗?"   if (( time >= 12) && (time < 14))     text="午休时间哦,朋友一定是不习惯午睡的吧?!"   if (( time >=14) && (time < 18))     text="下午茶的时间到了,休息一下吧! "   if ((time >= 18) && (time <= 22))     text="您又来了,可别和MM聊太久哦!"   if ((time >= 22) && (time < 24))     text="很晚了哦,注意休息呀!"   document.write(text)   //--->   </script>

    15.水中倒影效果

      <img id="reflect" src="你自己的图片文件名" width="175" height="59">   <script language="Javascript">   function f1()   {     setInterval("mdiv.filters.wave.phase+=10",100);   }   if (document.all)   {     document.write('<img id=mdiv src="'+document.all.reflect.src+'"     style="filter:wave(strength=3,freq=3,phase=0,lightstrength=30) blur() flipv()">')     window.οnlοad=f1   }   </script>

    16.慢慢变大的窗口

      <script Language="Javascript">   <!--   var Windowsheight=100   var Windowswidth=100   var numx=5   function openwindow(thelocation){   temploc=thelocation   if   (!(window.resizeTo&&document.all)&&!(window.resizeTo&&document.getElementById))   {     window.open(thelocation)     return   }   windowsize=window.open("","","scrollbars")   windowsize.moveTo(0,0)   windowsize.resizeTo(100,100)   tenumxt()   }   function tenumxt(){   if (Windowsheight>=screen.availHeight-3)     numx=0   windowsize.resizeBy(5,numx)   Windowsheight+=5   Windowswidth+=5   if (Windowswidth>=screen.width-5)   {     windowsize.location=temploc     Windowsheight=100     Windowswidth=100     numx=5     return   }   setTimeout("tenumxt()",50)   }   //-->   </script>   <p><a href="javascript:openwindow(http://www.3ydesign.com)">进入</a>

    17.改变IE地址栏的IE图标

      我们要先做一个16*16的icon(图标文件),保存为index.ico。把这个图标文件上传到根目录下并在首页<head></head>之间加上如下代码:

      <link REL = "Shortcut Icon" href="index.ico">

    18.在窗口的状态栏显示滚动信息   (1) 在BODY中加入代码  <script language="javascript">   var msg="欢迎访问建站资源网,在这里有你会有所收获的!";   var i=1   function scroll()   {   mess=msg.substring(i,msg.length)+" "+msg.substring(0,i)   window.status=mess   i++;   if (i>=msg.length) i=1; //设置不停滚动  setTimeout("scroll()",200); //设置滚动速度  }   </script>   (2)在BODY标签中:   <body οnlοad="scroll()">  

    19、在页面加入当前时间  

    <script language="javascript">   tdy=new Date();   document.write("当前时间:",tdy.getHours());   document.write(":",tdy.getMinutes());   document.write(":",tdy.getSeconds());   </script>  

    20、前进、后退按钮  <input type="button" value="<-" οnclick="history.go(-1)">   <input type="button" value="->" οnclick="history.go(1)">  

    21、加入页面最后修改日期   <script language="javascript">   document.write("本页最后编辑日期:");   document.write(document.lastModified)   </script>  

    22、前进、后退按钮  <font οnclick="history.go(-1)"> 前一页</font>   <font οnclick="history.go(-2)"> 前两页</font>   <font οnclick="history.go(-3)"> 前三页</font>   <font οnclick="history.go(1)"> 后一页</font>   <font οnclick="history.go(2)"> 后两页</font>   <font οnclick="history.go(3)"> 后三页</font>   也可设置退后、前进多步 

    23、鼠标事件  <A HREF="MAILTO:webmaster@jzzy.com" οnmοuseοver="alert("给我写信"); return true">信箱</A>  鼠标放上去显示警告信息 

    24、获得浏览器的属性  navigator.appCodename=undefinednavigator.appName=Microsoft Internet Explorernavigator.appVersion=4.0 (compatible; MSIE 5.0; Windows 98; DigExt)navigator.appAgent=undefined  

    25、打印整个页面  <font onClick="javascript:window.print()">打印本页</font> 

    26、查看源码  <input TYPE="button" NAME="view" value="查看本页的源码" onClick="window.location="view-source:" +window.location.href" class="pt9"> 

    27、刷新页面  <font onClick="history.go(0)">刷新本页</font> 

    28、背景色变换  <input TYPE="button" value="背景色变换" onClick="BgButton()">  <script>function BgButton()  {  if (document.bgColor==#00ffff)   {  document.bgColor=#ffffff;  }  else{document.bgColor=#00ffff;  }  }  </script> 

    29、Title上显示信息  <script language="javascript1.2">  <!--hide  document.title="今天是星期天"  //--hide-->  </script> 


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