docs: function() {
  			var self = this;
  			if (self.options.enabledH5) {
  				self.options.fiexdDur *= 2;
  				self.boxInner.classList.add($.className('scroll-wrapper'));
  				self.list.classList.add($.className('scroll'));
  				self._scrollerApi = $(self.boxInner).scroll({
  					deceleration: 0.002
  				});
  				//增加惯性滚动时的 scroll 触发处理
  				//shimTetTranslate(self._scrollerApi);
  				//--
  				self.setScrollTop = function(y, dur, callback) {
  					self._scrollerApi.scrollTo(0, -y, dur);
  				};
  				self.getScrollTop = function() {
  					var self = this;
  					if (self._scrollerApi.lastY > 0) {
  						return 0
  					} else {
  						return Math.abs(self._scrollerApi.lastY);
  					}
  				};
  			} else {
  				//alert(0);
  				//为 boxInner 增加 scrollend 事件 (没有原生 scrollend 事件)
  				self.boxInner.addEventListener('scroll', function(event) {
  					if (self.disabledScroll) return;
  					self.isScrolling = true;
  					if (self.scrollTimer) {
  						clearTimeout(self.scrollTimer);
  					}
  					self.scrollTimer = setTimeout(function() {
  						self.isScrolling = false;
  						if (!self.isTouchDown || !$.os.ios) {
  							$.trigger(self.boxInner, 'scrollend');
  						}
  					}, 150);
  				}, false);
  				self.aniScrollTop = function(y, dur, callback) {
  					self.disabledScroll = true;
  					var stepNum = dur > 0 ? dur / 10 : 1;
  					var stepSize = (y - self.boxInner.scrollTop) / stepNum;
  					self._lastScrollTop = self.boxInner.scrollTop; //记录最后的位置
  					self._aniScrollTop(y, 0, stepNum, stepSize, callback);
  				};
  				self._aniScrollTop = function(y, stepIndex, stepNum, stepSize, callback) {
  					self.boxInner.scrollTop = self._lastScrollTop + stepSize * stepIndex;
  					if (stepIndex < stepNum) {
  						setTimeout(function() {
  							self._aniScrollTop(y, ++stepIndex, stepNum, stepSize);
  						}, 10);
  					} else {
  						//self.boxInner.scrollTop = y;
  						self.disabledScroll = false;
  						if (callback) callback();
  					}
  				};
  				self.setScrollTop = function(y, dur, callback) {
  					self.aniScrollTop(y, dur);
  				};
  				self.getScrollTop = function() {
  					var self = this;
  					return self.boxInner.scrollTop;
  				};
  				//在 ios 上手指不弹起时，防止定位抖动开始
  				if ($.os.ios) {
  					self.boxInner.addEventListener('touchstart', function(event) {
  						var self = this;
  						self.isTouchDown = true;
  					}, false);
  					self.boxInner.addEventListener('touchend', function(event) {
  						self.isTouchDown = false;
  						if (!self.isScrolling) {
  							setTimeout(function() {
  								$.trigger(self.boxInner, 'scrollend');
  							}, 0);
  						}
  					}, false);
  				}
  				//在 ios 上手指不弹起时，防止定位抖动结束
  			}
  		}