<script>
window.onload=function () {
var count=document.getElementById("num");
var num=1;
var time= setInterval(function () {
count.innerHTML=num++
//关闭定时器
if(num==50){
clearInterval(time);
}
},100);
};
</script>
定时器的启动和停止
猜你喜欢
转载自blog.csdn.net/weixin_44552543/article/details/89892376
今日推荐
周排行