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 −


 Live Demo

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


On clicking the “CLICK HERE” button −

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