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js randomly generates 6-digit random numbers

php中世界最好的语言Original: 2018-03-17 13:47:1010660browse

We often use random numbers when making web pages or small programs. The author has compiled a very simple JS program to generate random numbers. Let’s learn together.

Let’s take a look at the renderings of this source code first

You can use it flexibly, we will share the specific JS code with you:

<!doctype html> 
<html> 
<head> 
<meta charset="utf-8"> 
<title>Document</title> 
<style> 
  #count{ 
    font-size: 20px; 
    color: green; 
    width: 400px; 
    height: 30px; 
    border: 1px solid black; 
    margin: auto; 
    line-height: 30px; 
    text-align: center; 
  } 
  </style> 
</head> 
<body> 
  <p id="count"></p> 
  <script> 
  //产生随机数 
function count (){ 
  var i=Math.random()*(999999-100000)+100000; 
  var j=parseInt(i,10); 
  j="100000-999999随机产生："+j; 
  document.getElementById("count").innerHTML= j; 
} 
setInterval("count()",100); 
  </script> 
</body> 
</html>

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!

js randomly generates 6-digit random numbers

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