The random object is used to generate a random numbers in JavaScript. It generates the number from 0 to 1 by using Math.random( ) object in the program which is a method of JavaScript Math object. The Math object provides built-in-functions that perform mathematical operations.
Math.random Syntax
var x= Math.random( );
Math.random Example
<!DOCTYPE html>
<head>
<title>Random number</title>
</head>
<body>
<script type="text/javascript">
var x= Math.random();
document.write("1st Random Number: " +x+ "<br>");
var x= Math.random();
document.write("2nd Random Number: " +x);
</script>
</body>
</html>
- In the above example we have shown that how random number is been used in the program.
- We have generated a random number by using Math.random( ) object in the program.
- var x= Math.random(); is used for generating a random number.
JavaScript Random Number Demo
- Save the file as generaterandomnumber_example.html in your system.
- Just open the file in the browser, you will see the below picture in the browser.
When the execution process is completed successfully we will get the following output:
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