• 코드:
​x
 
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<!DOCTYPE html>
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<html lang="ko">
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​
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<head>
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    <meta charset="UTF-8">
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    <title>JavaScript Array Object</title>
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</head>
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​
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<body>
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​
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    <h1>concat() 메소드</h1>
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​
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    <script>
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        var arr = [1, true, "JavaScript"];
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        document.write(arr.concat([2, false, "문자열"]) + "<br>"); // [1,true,JavaScript,2,false,문자열]
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        document.write(arr.concat([2], [3, 4]) + "<br>");           // [1,true,JavaScript,2,3,4]
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        document.write(arr.concat("다섯", [6, 7]) + "<br>");      // [1,true,JavaScript,다섯,6,7]
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    </script>
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</body>
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​
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</html>