jquery可自定义的平滑滚动锚点特效代码

使用方法

$(function () {
      var anchorScroll = $(document).AnchorScroll({
        'center': 1,
      });
      anchorScroll.on('scrollStart', function (event) {
        var target = event.target,
          settings = event.settings;

        console.log('Start');
        if( $(window).width() < 768 ) {
          settings.center = 0;
        }

      });
      anchorScroll.on('scrollEnd', function (event) {
        var target = event.target;

        console.log('End');
      });
});