JavaScript数组和json的区别

<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>
<script>
    var json={a:10,b:15,c:20};
    var arr=[6,12,18];
    alert(json['a']);
    alert(arr[0]);
</script>
</body>
</html>

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原文地址:https://www.cnblogs.com/xinlvtian/p/7892297.html