inputmask/lib/polyfills/String.includes.js

Inputmask is a javascript library which creates an input mask. Inputmask can run against vanilla javascript, jQuery and jqlite.

if (!String.prototype.includes) {
  // eslint-disable-next-line no-extend-native
  String.prototype.includes = function (search, start) {
    if (typeof start !== "number") {
      start = 0;
    }

    if (start + search.length > this.length) {
      return false;
    } else {
      return this.indexOf(search, start) !== -1;
    }
  };
}