标签：function cti cli rip lang def htm ext alt
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>定时器</title>
<style>
#id1{
width:150px;
height:20px;
}
</style>
</head>
<body>
<input type="text" id="id1" onclick="begin()">
<button onclick="end()">停止</button>
<script>
function showtime(){
var current=new Date().toLocaleString();
var elem=document.getElementById(‘id1‘);
elem.value=current;
}
begin()
var clock
function begin(){
if (clock==undefined)
{ showtime()
clock=setInterval(showtime,1000);
}
}
function end(){
clearInterval(clock)
clock=undefined
}
</script>
</body>
</html>
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标签：function cti cli rip lang def htm ext alt
原文地址：https://www.cnblogs.com/cxydnxs/p/12420230.html
