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Math.random() method for generating random numbers in JavaScript_Basic knowledge

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2016-05-16 15:54:552298browse

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

Math.random() ;

Here are the details of the parameters:

  • NA

Return value:

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

Example: 

<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>

This will produce the following results: 

First Test Value : 0.28182050319352636
Second Test Value : 0.6375786089661319
Third Test Value : 0.6780129774072902
Fourth Test Value : 0.7310958163154001

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