css html js 定时器-CFANZ编程社区

<!DOCTYPE html>
<html lang="en">
<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>
    <style>

    </style>
</head>
<body>
    <button id="stop">停止</button>
</body>
</html>
<script>
function a(){
    console.log('ok')
}
var taskId = setInterval(a,1000);

var taskId2 = setInterval(function(){
    console.log('ok2')
},1000);
var stop  = document.getElementById('stop');
stop.onclick = function(){
    //停止定时器的进程
    clearInterval(taskId)
    clearInterval(taskId2)
}
</script>