<html>
<body>
时间: <input type="time" id="myTime">
<p>点击按钮设置 time 字段的时间。</p>
<button onclick="myFunction()">点我</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myTime").value = "22:53:05";
}
</script>
</body>
</html>