start-with

Determines whether a string begins with the characters of another string.

ES2015 String#startsWith() ponyfill.

Ponyfill: A polyfill that doesn't overwrite the native method.

Install

$ npm install --save start-with 

Usage

For more use-cases see the tests

var startWith = require('start-with');
 
startWith('abcde', 'a');  // => true
startWith('abcde', 'ab'); // => true
startWith('abcde', 'bc'); // => false
startWith('abcde', '');   // => true
startWith('abcde');       // => false
startWith('abcde', null); // => false
 

Related

• end-with - Determines whether a string ends with the characters of another string.
• pad-start - ES spec-compliant String.prototype.padStart shim.
• pad-end - ES spec-compliant String.prototype.padEnd shim.

Contributing

Pull requests and stars are highly welcome.

For bugs and feature requests, please create an issue.