code: function bind( fn, context ) {
    if ( Function.prototype.bind ) {
      return fn.bind.apply( fn, Array.prototype.slice.call( arguments, 1 ) );
    }
  
    return function() {
      return fn.apply( context, arguments );
    };
  }
docs: Function.prototype.bind polyfill.
  
  @access private
  @function bind
  @param {Function} fn - A function you want to change `this` reference to.
  @param {Object} context - The `this` you want to call the function with.
  @returns {Function} The wrapped version of the supplied function.