(function($) {  $.extend($.fn, {    slider: function(obj) {      this.each(function() {        var $self = $(this);        var dom = {          "wrap": $self.find(".slider-list"),          "item": $self.find(".slider-item"),          "firstItem": $self.find(".slider-item").first(),          "lastItem": $self.find(".slider-item").last(),          "pagelist": null,          "pageItem": null,        };        var settings = {          "len": dom.item.length,          "width": dom.wrap.width(),          "startX": 0,          "startY": 0,          "index":  1,          "distance": 0,          "timer": null,          "autoScroll": obj ? (obj.autoScroll ? true : false) : true,          "infinite":  true        };        var funs = {          init: function() {            if (settings.len > 1) {              funs.initUI();              funs.bindEvent();              if (settings.autoScroll) {                settings.timer = setInterval(funs.autoAnimate, 3000);              }            }          },          initUI: function() {              var cloneFisrt = dom.firstItem.clone();              var cloneLast = dom.lastItem.clone();              dom.wrap.append(cloneFisrt);              cloneLast.insertBefore(dom.firstItem);            funs.creatPage();            dom.item = $self.find(".slider-item");            settings.count = dom.item.length;            settings.distance = settings.width / 3;              dom.wrap.css("-webkit-transform", "translate3d(" + -settings.width + "px,0,0)");          },          creatPage: function() {            var pagelist = ‘<div class="slider-page"><ul>‘;            for (var i = 0; i < settings.len; i++) {              if (i == 0) {                pagelist += ‘<li class="active"></li>‘;              } else {                pagelist += ‘<li></li>‘;              }            }            pagelist += ‘</ul></div>‘;            $self.append(pagelist);            dom.pagelist = $self.find(".slider-page");            dom.pageItem = dom.pagelist.find("li");          },          bindEvent: function() {            $self.off().on({              "touchstart": function(e) {                e.stopPropagation();                clearInterval(settings.timer);                settings.startX = e.touches ? e.touches[0].pageX : e.originalEvent.touches[0].pageX;                settings.startY = e.touches ? e.touches[0].pageY : e.originalEvent.touches[0].pageY;              },              "touchmove": function(e) {                e.stopPropagation();                e.preventDefault();                var curX = e.touches ? e.touches[0].pageX : e.originalEvent.touches[0].pageX;                var curY = e.touches ? e.touches[0].pageY : e.originalEvent.touches[0].pageY;                var moveX = curX - settings.startX;                var moveY = curY - settings.startY;                //避免禁用了下拉事件                if (Math.abs(moveY) > Math.abs(moveX)) {                  window.event.returnValue = http://www.mamicode.com/true;"-webkit-transform", "translate3d(" + x + "px,0,0)");              },              "touchend": function(e) {                e.stopPropagation();                var curX = e.changedTouches ? e.changedTouches[0].pageX : e.originalEvent.changedTouches[0].pageX;                var moveX = curX - settings.startX;                if (Math.abs(moveX) >= settings.distance) {                  settings.index = settings.index - Math.abs(moveX) / moveX; //判断是向左还是向右                }                if (settings.index >= settings.count - 1) {                  settings.index = settings.count - 1;                }                if (settings.index <= 0) {                  settings.index = 0;                }                funs.animate();                if (settings.autoScroll) {                  settings.timer = setInterval(funs.autoAnimate, 3000);                }              },              "touchcancel": function(e) {                dom.wrap.css("-webkit-transform", "translate3d(" + -settings.index * settings.width + "px,0,0)");              },              "webkitTransitionEnd": function(e) {                e.stopPropagation();                e.preventDefault();                dom.wrap.removeClass("transitionable");                  if (settings.index <= 0) {                    settings.index = settings.count - 2;                  }                  if (settings.index >= settings.count - 1) {                    settings.index = 1;                  }                var itemIndex = settings.infinite ? settings.index - 1 : settings.index;                dom.pageItem.removeClass("active");                dom.pageItem.eq("" + itemIndex + "").addClass("active");                dom.wrap.css("-webkit-transform", "translate3d(" + -settings.index * settings.width + "px,0,0)");              }            });            $(window).on({              "resize": function() {                funs.adjustPos();              },              "orientationchange": function() {                funs.adjustPos();              }            })          },          adjustPos: function() {            settings.width = dom.wrap.width();            settings.distance = settings.width / 3;            dom.wrap.css("-webkit-transform", "translate3d(" + -settings.index * settings.width + "px,0,0)");          },          animate: function() {            dom.wrap.addClass("transitionable");            dom.wrap.css("-webkit-transform", "translate3d(" + -settings.index * settings.width + "px,0,0)");          },          autoAnimate: function() {            if (settings.width > 0) {              settings.index++;              funs.animate();            }          }        };        funs.init();      });      return this;    }  });})(window.jQuery);