<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
<script type="text/javascript">
var num=0;
function startCount() {
document.getElementById("count").value=num;
num=num+1;
setTimeout("startCount()",1000);
}
startCount();
</script>
</head>
<body>
<form>
<input type="text" id="count" />
</form>
</body>
</html>
2018-07-15
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
<script type="text/javascript">
var num=0;
function startCount() {
document.getElementById('count').value=num;
num=num+1;
setTimeout("startCount()",1000);
}
</script>
</head>
<body>
<form>
<input type="text" id="count" onClick="startCount()" />
</form>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="UTF-8">
</head>
<body>
<div id="count"></div>
<script>
window.onload = showTime;
var show = document.getElementById('count');
function showTime() {
var date = new Date();
let h = date.getHours();
let m = date.getMinutes();
let s = date.getSeconds();
m = checkTime(m);
s = checkTime(s);
show.innerHTML = h + ':' + m + ':' + s;
t = setTimeout(function () {
showTime();
}, 1000);
}
function checkTime(i) {
if (i < 10) {
i = '0' + i;
}
return i;
}
</script>
</body>
</html>举报
