JavaScript - Math random Method

Description

This method returns a random number between 0 (inclusive) and 1 (exclusive).

Syntax

Its syntax is as follows −

Math.random() ;

Return Value

Returns a random number between 0 (inclusive) and 1 (exclusive).

Example

Try the following example program.

<html>
   
   <head>
      <title>JavaScript Math random() Method</title>
   </head>
   
   <body>
      
      <script type="text/javascript">
         var value = Math.random( );
         document.write("First Test Value : " + value ); 
         
         var value = Math.random( );
         document.write("<br />Second Test Value : " + value ); 
         
         var value = Math.random( );
         document.write("<br />Third Test Value : " + value ); 
         
         var value = Math.random( );
         document.write("<br />Fourth Test Value : " + value ); 
      </script>
      
   </body>
</html>

Output

First Test Value : 0.38604133428972936
Second Test Value : 0.9731473797398119
Third Test Value : 0.8251517760677438
Fourth Test Value : 0.7821180138687048