numCodePoints

Return the number of Unicode code points in a string.

Installation

npm install @stdlib/string-num-code-points

Usage

var numCodePoints = require( '@stdlib/string-num-code-points' );

numCodePoints( str )

Returns the number of code points in a string.

var out = numCodePoints( 'last man standing' );
// returns 17

out = numCodePoints( 'Hidden Treasures' );
// returns 16

out = numCodePoints( '👋👋👋' );
// returns 3

Examples

var numCodePoints = require( '@stdlib/string-num-code-points' );

console.log( numCodePoints( 'last man standing' ) );
// => 17

console.log( numCodePoints( '六书/六書' ) );
// => 5

console.log( numCodePoints( '🐶🐮🐷🐰🐸' ) );
// => 5

console.log( numCodePoints( 'Hello 👋 World' ) );
// => 13

See Also

• @stdlib/string-num-code-points-cli: CLI package for use as a command-line utility.

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2026. The Stdlib Authors.