jQuery右下角旋转环状菜单特效代码

<div class="htmleaf-container"> <div id='ss_menu'>  <div>  <i class="fa fa-qq"></i>  </div>  <div>  <i class="fa fa-weibo"></i>  </div>  <div>  <i class="fa fa-weixin"></i>  </div>  <div>  <i class="fa fa-renren"></i>  </div>  <div class='menu'>  <div class='share' id='ss_toggle' data-rot=''>   <div class='circle'></div>   <div class='bar'></div>  </div>  </div> </div></div>

$(document).ready(function (ev) { var toggle = $('#ss_toggle'); var menu = $('#ss_menu'); var rot; $('#ss_toggle').on('click', function (ev) {  rot = parseInt($(this).data('rot')) - 180;  menu.css('transform', 'rotate(' + rot + 'deg)');  menu.css('webkitTransform', 'rotate(' + rot + 'deg)');  if (rot / 180 % 2 == 0) {   toggle.parent().addClass('ss_active');   toggle.addClass('close');  } else {   toggle.parent().removeClass('ss_active');   toggle.removeClass('close');  }  $(this).data('rot', rot); }); menu.on('transitionend webkitTransitionEnd oTransitionEnd', function () {  if (rot / 180 % 2 == 0) {   $('#ss_menu div i').addClass('ss_animate');  } else {   $('#ss_menu div i').removeClass('ss_animate');  } });});