<!Doctype html>
<html>
<head>
<title>數(shù)組創(chuàng)建</title>
<script type="text/javascript">
//索引數(shù)組從0開始
var a = new Array(5);
a[0]=10;
a[1]="aaa"
alert(a[1])
alert(a)
//創(chuàng)建了數(shù)組 并帶有默認(rèn)值
var b=new Array(10,"aaa");
alert(b[0])
alert(b[1])
//[] 直接賦值
var c=[2,,4];
alert(c[0])
//變量
var d=10;
var d=[d+14,d-34,d*2]
alert(d[0])
</script>
</head>
<body>
</body>
</html>
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