Hammie JS

hammie.js

var $win, $doc,
      $body = $('body'),
      $main = $('main'),
      $hammie = $('.hammie');

  var toggleMobileMenu = function() {

    if ($body.hasClass('is-active')) {
      $mobileDrawer.animate({
        height: 0
      }, function() {
        $body.toggleClass('is-active');
      });
    } else {
      $body.toggleClass('is-active');
    }
  };

  var toggleMobileMenu = function() {
    $body.toggleClass('is-active');
  };

  var removeMobileMenu = function() {
    $body.removeClass('is-active');
    $hammie.removeClass('is-close-menu-btn');
  };

  var addEventHandlers = function() {
    $hammie.on('click', function(e) {
      e.preventDefault();

      $hammie.toggleClass('is-close-menu-btn');
      toggleMobileMenu();
    });
    
    $win.resize(function(){
      if ( $win.outerWidth() > 640 ) {
        removeMobileMenu();
      }
    });
  };