【JS】数组筛选·2

Osinghong2个月前 (04-28)成果展示73

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>d24c04429</title>
</head>
<body>
    <script>
        var arr = ['c', 'a', 'z', 'a', 'x', 'a', 'x', 'c', 'b'];
            function unique(arr) {
                var newArr = [];
                    for (var i = 0; i < arr.length; i++) {
                        if (newArr.indexOf(arr[i]) === -1) {
                        newArr.push(arr[i]);
                        }
                    }
                return newArr;
            }
            console.log(unique(arr));
        </script>
</body>
</html>

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