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£¨1£©       È¡µÃʱ¼ä£ºvar d=new Date();var time=d.toLocaleString()
£¨2£©       ÏÔʾÔÚÍøÒ³ÉÏ£¬¼ÙÉèдÔÚÒ»¸ö<span>ÖУ¬ÇÒ¸Ã<span>µÄidΪshowTime:
document.getElementById("showTime").innerHTML=time; 
£¨3£©       ÿ¼ä¸ôÒ»ÃëÏÔʾһ´Î£ºsetInterval('showTime()',1000)//¸Ãº¯Êý±íÃ÷£¬Ã¿¸ôÒ»ÃëÖÓµ÷Óú¯ÊýshowTime()Ò»´Î¡£
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<html>
<head>
<title></title>
</head>
 
<script language="javascript">
function showTime(){
    var d=new Date();
    var time=d.toLocaleString()
    document.getElementById("showTime").innerHTML=time; 
}
</script>
 
<body onload="setInterval('showTime()',1000)">
<span id="showTime"></span>
</body>
</html>


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javascriptÊý¾ÝÀàÐÍת»»

parseFloat ת»»³É¸¡µãÊý
parseInt ת»»³ÉÕûÊý.
ÕâÁ½¸öº¯Êý¶¼ÓÐЩÈÝ´íÐÔµÄ,±ÈÈç"123abc"»á±ä³É123.
Èç¹ûÂ¥Ö÷Ï£Íû¸ü׼ȷһЩ,Æäʵ¿ÉÒÔÅжÏÒ»ÏÂ,È»ºóÓÃeval,ÏñÕâÑù
²»¹ýÒ²¿ÉÒÔʹÓÃÕâÑùµÄ·½·¨:
var a = "234" ;
a = a.replace(/(^[\\s]*)|([\\s]*$)/g, "");
if( a !="" && !isNaN( a ) )
{//Èç¹ûÊÇÊý×Ö
a = e ......

javaScript »ñµÃ´¥·¢Ê¼þµÄÔªËØ Ö§³ÖIE FireFox

<html>
<head>
<mce:script type="text/javascript"><!--
function myclick(event){
var ev =event.srcElement ? event.srcElement : event.target;
}

// --></mce:script>
......

JavaScript ¹¹½¨ÀàºÍ´´½¨¶ÔÏóµÄ·½Ê½

1>¹¤³§º¯ÊýÀ´´´½¨¶ÔÏó(Factory)
     function createCar(){
var obj = new Object;
obj.name = "BWM";
obj.show = function(){
alert(this.name);
}
return obj;
}
var car1 = createCar();
var car2 = createCar();
car1.show();
car2.show();
2>¹¹Ô캯Êý´´½¨¶ÔÏó ......

(×ªÔØ)javascript²Ù×÷Select±ê¼ÇÖÐoptions¼¯ºÏ


 
[ 2007-8-6 17:03:00 | By: ibrahim ]
 
javascript²Ù×÷Select±ê¼ÇÖÐoptions¼¯ºÏ

ÏÈÀ´¿´¿´options¼¯ºÏµÄÕ⼸¸ö·½·¨£º
options.add(option)·½·¨Ïò¼¯ºÏÀïÌí¼ÓÒ»Ïîoption¶ÔÏó£»
options.remove(index)·½·¨ÒƳýoptions¼¯ºÏÖеÄÖ¸¶¨Ï
options(index)»òoptions.item(index)¿ÉÒÔͨ¹ýË÷Òý»ñÈ¡options¼¯º ......

javascript ×Ö·û´®´¦Àí


Ò»¡¢ÉùÃ÷×Ö·û´®:
var normal_monkey = "I am a monkey!<br>";
document.writeln("Normal monkey " + normal_monkey);
var bold_monkey = normal_monkey.bold();
document.writeln("Bold monkey "&n ......
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