Home > Article > Web Front-end > Yuansheng JS creates lottery page

Yuansheng JS creates lottery page

php中世界最好的语言Original: 2018-05-09 10:18:121948browse

This time I will show you how to make a lottery page using Yuansheng JS. What are the precautions for making a lottery page using Yuansheng JS? Here is a practical case, let’s take a look.

Rendering:

Picture material:

The code is as follows, copy and use:

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title>幸运抽奖页面</title>
 <style>
  /*CSS代码*/
  *{
   padding:0;
   margin:0;
  }
  .login-box{
   width:500px;
   height:430px;
   /* border:1px solid red;*/
   /*水平居中*/
   margin:100px auto;
　　　　　　　<!-- 此处需要修改为自己的图片路径 -->
   background: url(img/tx1.png) no-repeat;
   box-shadow: 0 0 2px rgba(0,0,0,.5);
  }
  .login{
   padding:5px;
   border:0 none;
   background: #0a88e1;
   color: white;
   font-size:12px;
   text-align: center;
   width:220px;
   line-height: 20px;
   margin-top:200px;
   margin-left:120px;
  }
 </style>
</head>
<body>
 <p class="login-box">
  <input type="button" value="点击开始抽奖" class="login" id="luckbtn" onclick="luck()"/>
 </p>
</body>
<script>
 //JS代码：幸运抽奖
 var no = prompt("请输入您的四位会员卡号：");
 //获取到抽奖按钮
 document.getElementById("luckbtn").value =no+"-欢迎你，点击开始抽奖" ;
 //当点击抽奖按钮的时候调用，幸运抽奖的规则及提醒，功能 function 函数
 function luck(){
  //系统随机生成一个0-10之间的随机整数 :Math.random() 0-1之间的浮点数
  var num = parseInt(Math.random()*10);
  /*alert(num);*/
  //随机数=会员卡号的百位数
  /* var gewei = no%10;
  alert(gewei);*/
  /*var shiwei = parseInt(no/10%10);
  alert(shiwei);*/
  var baiwei = parseInt(no/100%10);
  /*alert(baiwei);*/
  if(baiwei == num){
   alert("恭喜"+no+",您中奖了！");
  }else{
   alert("对不起，"+no+"，您没有中奖！");
  }
 }
</script>
</html>

If you have a better method or more functions, you can share it with us. If there are any errors, please contact me to correct them.

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Yuansheng JS creates lottery page

Related articles