JavaScript Random - JavaScript Math random() Method
Math.random()
- Math.random() returns a random number between 0 (inclusive), and 1 (exclusive).

Sample Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
Random Number is: <span id="p2"></span> <br>
<script>
document.getElementById('p2').innerHTML=Math.random();
</script>
</body>
</html>
Output
Random Number is: 0.9105302265364117
JavaScript Random Integers
- Math.random() used with Math.floor() can be used to return random integers.
Sample Code
<script>
document.getElementById("p2").innerHTML =
Math.floor(Math.random() * 30);
</script>
Output
25