JavaScript String length Property

JavaScript String Reference JavaScript String Reference

Example

Return the number of characters in a string:

var str = "Hello World!";
var n = str.length;

The result of n will be:

12

Try it yourself »

Definition and Usage

The length property returns the length of a string (number of characters).

The length of an empty string is 0.


Browser Support

Property
length  Yes Yes Yes Yes Yes

Syntax

string.length

Technical Details

Return Value: The length of a string
JavaScript Version: 1.0

JavaScript String Reference JavaScript String Reference

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