Polyfill for String.prototype.includes
Polyfill for string method includes()
ECMAScript 2015 (6th Edition, ECMA-262).
Installation
npm i string-includes-polyfill
Usage
var str = 'Built for developers';
str.includes('Built'); // true
str.includes('for'); // true
str.includes('Build'); // false
str.includes('For'); // false
See more examples and description on the page.