<script>
let count = 0
function hey() {
count = count + 1
// count += 1
if (count % 2 == 0) {
alert('짝수입니다!')
} else {
alert('홀수입니다!')
}
}
</script>
</head>
<body>
<div class="mytitle">
<h1>혜바라기가 알려준 책들</h1>
<button onclick="hey()">영화 기록하기</button>
</div>
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