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

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Codebyte Example

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

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