实现一个js抽奖玩玩？
简易版：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>demo</title>
</head>
<body>
<button>开始</button>
<button>停止</button>
<p></p>
</body>
<script>
var btn=document.querySelectorAll("button")[0];
var btn1 = document.querySelectorAll("button")[1];
var p=document.querySelector("p");
var timer=null;
var arrs = ["一等奖", "二等奖", "三等奖", "谢谢", "特等奖"];
btn.onclick=()=>{ timer = setInterval(() => {
clearInterval(timer);
var arr = arrs[Math.floor(Math.random() * arrs.length)]; p.innerHTML = arr; }, 10); }
btn1.onclick=()=>{ clearInterval(timer) }
</script>
</html>更多内容请见原文，原文转载自：https://blog.csdn.net/weixin_44519496/article/details/120127169
