Template:USTC-Software/js/makeIndexFixed

$(document).ready(function () {

   // to do things with pageIndex
   class PageIndex {
       constructor(){
           console.log('new PageIndex');
       }
       // set the index fixed
       static makeIndexFixed(){
           let height = $('#autoMenu').height();
           $('.autoMenu').css({
               "position": "fixed",
               "top": "calc(50% - " + height/2 + "px)",
           });
       }
       // add animation to the scroll event
       static scrollToAnchor() {
           $('.autoMenu a').on('click', function (ev) {
               ev.preventDefault();
               let anchorId = $(this).attr('href');
               let nextTop = $(anchorId).offset().top;
               $('html, body').animate({
                   scrollTop: nextTop,
               }, 600);
           })
       }
   }

   PageIndex.makeIndexFixed();
   PageIndex.scrollToAnchor();

});