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Realize a JS lottery?

2022-07-24 13:19:00 【Mark community】 

<!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> Start </button>
    <button> stop it </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 = [" The first prize ", " The second prize ", " The third prize ", " thank you ", " The grand prize "];
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>
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More on ：https://blog.csdn.net/weixin_44519496/article/details/120127169

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本文为[Mark community]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/203/202207211747068593.html

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