For JavaScript random number, we used the Math.random( ) function. This method returns the value between 0 (inclusive) and 1 (exclusive).
Syntax :
Math.random();Example :
<html>
<head>
<title>Developer Helps | Javascript Random Number</title>
</head>
<body>
<h2>Javascript Random Number</h2>
Random Number between 0 and 1: <p id="random-number"></p>
<script>
document.getElementById("random-number").innerHTML = Math.random();
</script>
</body>
</html>Output :
Javascript Random Number
Random Number between 0 and 1:
0.2535062639322767JavaScript Random Integers
This example returns the random integer from 0 to 9.
Example :
<html>
<head>
<title>Developer Helps | Javascript Random Number</title>
</head>
<body>
<h2>Javascript Random Number</h2>
Random Integer between 0 and 9: <p id="random-number"></p>
<script>
document.getElementById("random-number").innerHTML = Math.floor(Math.random() * 10);
</script>
</body>
</html>Output :
Javascript Random Number
Random Integer between 0 and 9:
2JS Random Function
This JavaScript function returns a random number between min (included) and max (excluded).
Function :
function fetchRandomInteger(min, max)
{
return Math.floor(Math.random() * (max - min)) + min;
}Example :
<html>
<head>
<title>Developer Helps | Javascript Random Number</title>
</head>
<body>
<h2>Javascript Random Number</h2>
<button onclick="fetchRandomInteger(0,10)">Try Click</button><br><br>
Random Function between min and max: <p id="random-number"></p>
<script>
function fetchRandomInteger(min, max)
{
document.getElementById("random-number").innerHTML = Math.floor(Math.random() * (max - min)) + min;
}
</script>
</body>
</html>Output :
Javascript Random Number
Try Click
Random Function between min and max:
8Thanks for the reading post. I hope you like and understand the post. If you have any doubt regarding this post please comment below.
More Related Post
- JavaScript Array Example
- JavaScript Array forEach( ) Function
- PHP MVC Framework Tutorial
- Login Page in PHP
- PHP Array Functions
