Array js扩展方法 forEach()

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
    <script>
        var array = [1, 2, 3, "csser"];
        array.forEach(function (o, i) { alert(o) });
    </script>
</body>
</html>
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原文地址：https://www.cnblogs.com/wzq806341010/p/3143387.html