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2.ÿһ¸ö¿Ø¼þ¶¼ÓÐÒ»¸öjsº¯Êý,½¹µã¸Ä±äʱµ÷ÓÃ,ÌύʱÅжÏ

JScript code:
html>
<head>
<title>jsÕýÔò±í´ïʽ</title>
</head>
<body>
<script LANGUAGE="javascript">
//Æ¥Åä¹Ì¶¨µç»°»òСÁéͨ£¬ÀýÈ磺031185907468»ò02185907468¸ñʽ
function isphone1(){
var num = document.getElementById('ph').value;
var partten = /^0(([1-9]\d)|([3-9]\d{2}))\d{8}$/;
if(partten.test(num)){
alert('Êǵ绰ºÅÂë');
}else{
alert('²»Êǵ绰ºÅÂë');
}
}
function isphone2(){
var num = document.getElementById('mb').value;
var partten = /^1[3,5]\d{9}$/;
if(partten.test(num)){
alert('ÊÇÊÖ»úºÅÂë');
}else{
alert('²»ÊÇÊÖ»úºÅÂë');
}
}
</script>
ÇëÊäÈë¹Ì¶¨µç»°»òСÁéͨºÅÂ룺<input type="text" name="phone" id="ph"><input type="button" value="²âÊÔ" onclick="isphone1();">
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¹ØÓÚJavaScriptµÄprototypeºÍinstanceof

JScript code:

function C1(){}
function C2(){}
C2.prototype=new C1();
function C3(){}
C3.prototype=new C2();
var obj=new C3();
function C4(){}
C3.prototype=new C4();
alert(obj insta ......

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