JavaScript Random

JavascriptWeb DevelopmentObject Oriented Programming

The Math.random() function is used to generate a random floating-point number between 0 and 1.

Following is the code for Math.random() function −

Example

 Live Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   }
   .sample {
      font-size: 18px;
      font-weight: 500;
      color: red;
   }
</style>
</head>
<body>
<h1>JavaScript Random</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to generate a random number between 1 to 10
</h3>
<script>
   let sampleEle = document.querySelector('.sample');
   document.querySelector('.Btn').addEventListener('click',()=>{
      let num = Math.floor((Math.random()*10))+1;
      sampleEle.innerHTML = 'Number generated = ' + num;
   })
</script>
</body>
</html>

Output

On clicking the “CLICK HERE” button −

raja
Updated on 11-May-2020 14:31:17

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