JavaScript .length

The .length property returns the number of characters in a string.

Syntax

string.length;

The string can either be a literal sequence of characters surrounded by quotes or a variable that refers to such a sequence.

Example

The following example outputs the .length property of a string literal:

console.log('I love New York!'.length);
// Output: 16

Copy to clipboard
Copy to clipboard

Codebyte Example

In the example below, a string is stored in a variable greeting. Its .length property is then printed to the console:

Visit us
Visit us
Hide code
Code
Output
Hide output
Copy to your clipboard
Copy Codebyte
Run