영상
개념
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<button onclick="startCount()">시작</button>
<input type="text" id="number">
<button onclick="stopCount()">중지</button>
<script>
let id = 0;
let cnt = 0;
function startCount() {
setCount();
}
function setCount() {
document.getElementById("number").value = cnt;
cnt++;
id = setTimeout(setCount, 1000);
}
function stopCount() {
clearTimeout(id);
}
</script>
</body>
</html>
Java
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