성준영

quiz4

1 +<!DOCTYPE html>
2 +<html lang="ko">
3 +<head>
4 + <meta charset="UTF-8">
5 + <title>Title</title>
6 +</head>
7 +<body>
8 +
9 +<button onclick="checkButtonClick()">CHECK</button>
10 +
11 +<script>
12 +
13 +
14 + function checkButtonClick() {
15 + var filename = prompt('파일 명을 입력하세요');
16 + if(/\.html/g.test(filename)){
17 + document.write(filename);
18 + } else {
19 + alert('HTML 파일명을 입력하시오')
20 + }
21 + }
22 +</script>
23 +</body>
24 +</html>
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