<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>简易的单数字随机抽奖，抽取随机数的js特效代码</title>
</head>
<body>
<div id="num"></div>
<input value="start" id="start" type="button" />
<input value="stop" id="stop" type="button" />
<script>
var num = document.getElementById("num");
var start = document.getElementById("start");
var _stop = document.getElementById("stop");
var intv = null;
start.onclick = function(){
if(intv==undefined){
intv = setInterval(function(){num.innerHTML = Math.floor(Math.random()*10);},50);
}
}
_stop.onclick = function(){
clearInterval(intv);
intv=null;
}
</script>
</body>
</html>
What I am showing now is a screenshot of the operation, which is still. You can operate it and feel it, and you will feel a little sense of accomplishment.
The above is the entire content of this article. I hope you can continue to study in depth.
Today's Toutiao gold coin is equal to 1 yuan
How to configure the path environment variable in java
What are the microcontroller programming software?
Tutorial on making word document tables
Cancel WeChat campaign
How to export excel files from Kingsoft Documents
How to use php web page source code
How to set path environment variable
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
