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.