<html lang="ko">
<head>
<meta charset="UTF-8">
<title>JavaScript String Method</title>
</head>
<body>
<h1>문자열 결합</h1>
<script>
var str = "자바스크립트";
document.write(str + "<br>");
document.write(str.concat("는 너무 멋져요!") + "<br>");
document.write(str.concat("는 너무 멋져요!", " 그리고 유용해요!" + "<br>"));
document.write(str);
</script>
</body>
</html>