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JavaScript toString() Method

Number Object Reference JavaScript Number Object

Definition and Usage

The toString() method specifies which base to use for representing a numeric value, and then returns the numeric value as a string.

Syntax

NumberObject.toString(radix)

Parameter Description
radix Optional. An integer between 2 and 36 specifying the base to use for representing numeric values.

Examples:

  • 2 - The number will show as a binary value
  • 8 - The number will show as an octal value
  • 16 - The number will show as an hexadecimal value

Example

Example

Specify different bases for a numeric value, and then return the numeric value as a string:

<script type="text/javascript">

var num=new Number(15);
document.write(num.toString()+"<br />");
document.write(num.toString(2)+"<br />");
document.write(num.toString(8)+"<br />");
document.write(num.toString(16)+"<br />");

</script>

The output of the code above will be:


Try it yourself »

Number Object Reference JavaScript Number Object

From http://www.w3schools.com (Copyright Refsnes Data)