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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>js 获取数组长度</title>
</head><body>
<script>
var array = new array(1,2,3,2,4,55,2);
alert(array.length);//输出7
</script>
</body>
</html>
时间: 2024-10-26 04:16:48