for-in/index.js

/*!
 * for-in <https://github.com/jonschlinkert/for-in>
 *
 * Copyright (c) 2014 Jon Schlinkert, contributors.
 * Licensed under the MIT License
 */

'use strict';

module.exports = function forIn(o, fn, thisArg) {
  for (var key in o) {
    if (fn.call(thisArg, o[key], key, o) === false) {
      break;
    }
  }
};