日期:2014-05-16  浏览次数:20355 次

javascript常用小例子

1.让文字不停地滚动?

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  <MARQUEE>滚动文字</MARQUEE>?

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2.记录并显示网页的最后修改时间?

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  <script language=Javascript>?

  document.write("最后更新时间: " + document.lastModified + "")?

  </script>?

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3.关闭当前窗口?

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

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4.5秒后关闭当前页?

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  <script language="Javascript">?

  <!--?

  setTimeout('window.close();',5000);?

  -->?

  </script>?

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5.2秒后载入指定网页?

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  <head>?

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

  </head>?

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6.添加到收藏夹?

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  <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>?

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7.让超链接不显示下划线?

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  <style type="text/css">?

  <!-?

  a:link{text-decoration:none}?

  a:hover{text-decoration:none}?

  a:visited{text-decoration:none}?

  ->?

  </style>?

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8.禁止鼠标右键的动作?

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  <script Language = "Javascript">?

  function click() { if (event.button==2||event.button==3)?

  {?

  alert('禁止鼠标右键');?

  }?

  document.onmousedown=click // -->?

  </script>?

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9.设置该页为首页?

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  <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>?

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10.节日倒计时?

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  <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>?

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11.单击按钮打印出当前页?

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  <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>?

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12.单击按钮‘另存为’当前页?

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  <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>?

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13.显示系统当前日期?

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  <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>?

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14.不同时间段显示不同问候语?

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  <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! "?