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3-7求字符串数组中每一项的长度.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>求字符串数组中每一项的长度</title>
    <script>
        var array = ["22222", "a", "", "aaaaa"];
        var newArray = [];
        for (var i = 0; i < array.length; i++) {
            var length = array[i].length;
            newArray[i] = length;
        }
        console.log(newArray);
    </script>
</head>

<body>
</body>

</html>