数组 - 14join - 《html-css-js》

join(seprate) 将数组拼接成字符串

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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        /* join(seprate) 将数组拼接成字符串*/
        var arr = ["html","css","javascript"];
        console.log(arr.join());
        console.log(arr.join(""))
        console.log(arr.join("|"))
        console.log(arr.join(" "))
    </script>
</body>
</html>