modernizr/src/is.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

define(function() {
  /**
   * is returns a boolean if the typeof an obj is exactly type.
   *
   * @access private
   * @function is
   * @param {*} obj - A thing we want to check the type of
   * @param {string} type - A string to compare the typeof against
   * @returns {boolean} true if the typeof the first parameter is exactly the specified type, false otherwise
   */
  function is(obj, type) {
    return typeof obj === type;
  }

  return is;
});