<html lang="ko">
<head>
<meta charset="UTF-8">
<title>JavaScript Array Object</title>
</head>
<body>
<h1>push() 메소드</h1>
<script>
var arr = [1, true, "JavaScript"];
document.write(arr.length + "<br>"); // 3
arr.push("자바스크립트");
document.write(arr.length + "<br>"); // 4
document.write(arr + "<br><br>"); // [1,true,JavaScript,자바스크립트]
arr.push(2, "거짓");
document.write(arr.length + "<br>"); // 6
document.write(arr); // [1,true,JavaScript,자바스크립트,2,거짓]
</script>
</body>
</html>