最新国产好看的视频,伊人天堂AV在线,国产Aaaaaa视频,蜜臀视频在线观看一区,人妻av色图,密臀久久久精品影片,青青视频免费观看毛片,久草在线观看视,国产三级精品色情在线

使用原生JS實現(xiàn)彈出層特效

 更新時間:2014年12月22日 16:38:06   投稿:hebedich  
這篇文章主要介紹了使用原生JS實現(xiàn)彈出層特效,需要的朋友可以參考下

創(chuàng)建遮罩層

復(fù)制代碼 代碼如下:

  _createCover: function() {
      var newMask = document.createElement("div");
      newMask.id = this._mark;
      newMask.style.position = "absolute";
      newMask.style.zIndex = "100";
      _scrollWidth = Math.max(document.body.scrollWidth,document.documentElement.scrollWidth);
      _scrollHeight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
      newMask.style.width = _scrollWidth + "px";
      newMask.style.height = _scrollHeight + "px";
      newMask.style.top = "0px";
      newMask.style.left = "0px";
      newMask.style.background = "#000";
      newMask.style.filter = "alpha(opacity=50)";
      newMask.style.opacity = "0.50";
      newMask.style.display = 'none';
      document.body.appendChild(newMask);
      this._cover = newMask;
  }

新建彈出層

復(fù)制代碼 代碼如下:

  _createFloater: function(html) {
      var newDiv = document.createElement("div");
      newDiv.id = this._id;
      newDiv.style.position = "absolute";
      newDiv.style.zIndex = "9999";
      newDivWidth = 400;
      newDivHeight = 200;
      newDiv.style.width = newDivWidth + "px";
      newDiv.style.height = newDivHeight + "px";
      newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
      newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
      newDiv.style.padding = "5px";
      newDiv.style.display = 'none';
      newDiv.innerHTML = html;
      document.body.appendChild(newDiv);
      this._floater = newDiv;
  }

調(diào)節(jié)彈層位置

復(fù)制代碼 代碼如下:

     addjustPosition: function() {
         this._floater.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
         this._floater.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
     }

屏幕滾動事件時調(diào)整位置

復(fù)制代碼 代碼如下:

this._fS = BindAsEventListener(this, this.addjustPosition);
addEventHandler(window, "scroll", this._fS);
// 隱藏后需
removeEventHandler(window, "scroll", this._fS);

完整代碼

復(fù)制代碼 代碼如下:

 var Floater = (function(){
 var me = Class.create();
 me.prototype = {
     initialize: function(options) {
         this._fS = BindAsEventListener(this, this.addjustPosition);
         this.setOptions(options);
     },
     setOptions: function(options) {
         this.options = options || {};
         this._id = options.id;
         this._mark = 'mark';
     },
     show: function(html,options) {
         options = options || {};
         if(!this._cover){
             this._createCover();
         }
         if(!this._floater){
             this._createFloater(html);
         }
         if(options.saveOpt){
             this._saveOption = options.saveOpt;
             this.bindSaveEvent();
         }
         this._bindScrollEvent();
         this.addjustPosition();
         this._floater.style.display = '';
         this._cover.style.display = '';
         this.isShow = true;
     },
     insert: function(html,opts,att){
         var _e = document.createElement("div"), _t;
         _e.innerHTML = html;
         for(var k in opts){
             _e[k] = opts[k];
         }
         _t = this._floater.querySelector('['+att+']');
         if(_t){
             _t.appendChild(_e);
         }
     },
     getFloater: function(){
         if(this._floater){
             return this._floater;
         }
     },
     //遮罩層
     _createCover: function() {
         var newMask = document.createElement("div");
         newMask.id = this._mark;
         newMask.style.position = "absolute";
         newMask.style.zIndex = "100";
         _scrollWidth = Math.max(document.body.scrollWidth,document.documentElement.scrollWidth);
         _scrollHeight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
         newMask.style.width = _scrollWidth + "px";
         newMask.style.height = _scrollHeight + "px";
         newMask.style.top = "0px";
         newMask.style.left = "0px";
         newMask.style.background = "#000";
         newMask.style.filter = "alpha(opacity=50)";
         newMask.style.opacity = "0.50";
         newMask.style.display = 'none';
         document.body.appendChild(newMask);
         this._cover = newMask;
     },
     //新彈出層
     _createFloater: function(html) {
         var newDiv = document.createElement("div");
         newDiv.id = this._id;
         newDiv.style.position = "absolute";
         newDiv.style.zIndex = "9999";
         newDivWidth = 400;
         newDivHeight = 200;
         newDiv.style.width = newDivWidth + "px";
         newDiv.style.height = newDivHeight + "px";
         newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
         newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
         newDiv.style.padding = "5px";
         newDiv.style.display = 'none';
         newDiv.innerHTML = html;
         document.body.appendChild(newDiv);
         this._floater = newDiv;
     },
     //彈出層滾動居中
     addjustPosition: function() {
         this._floater.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
         this._floater.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
     },
     bindSaveEvent: function() {
         this._saveElem = this._floater.querySelector('['+this._saveOption.elem+']');
         if(this._saveElem){
             addEventHandler(this._saveElem, "click", this._saveOption.handler);
         }
     },
     _bindScrollEvent: function() {
         addEventHandler(window, "scroll", this._fS);
     },
     hide: function() {
         this.isShow = false;
         this.destory();
     },
     destory: function() {
         removeEventHandler(window, "scroll", this._fS);
         if(this._saveElem){
             removeEventHandler(this._saveElem, "click", this._saveOption.handler);
         }
         if (this._cover){
             document.body.removeChild(this._cover);
         }
         if (this._floater){
             document.body.removeChild(this._floater);
         }
         this._cover = null;
         this._floater = null;
     }
 };
 return me;
 })();

相關(guān)文章

最新評論

宿迁市| 盐源县| 镇巴县| 达拉特旗| 姚安县| 临武县| 伊宁县| 民丰县| 砀山县| 临沧市| 闽清县| 舟山市| 科技| 淮安市| 灵寿县| 普洱| 阳城县| 张掖市| 新兴县| 图木舒克市| 江陵县| 报价| 化州市| 六盘水市| 苍梧县| 长寿区| 博湖县| 民丰县| 扬中市| 项城市| 大宁县| 邵东县| 马关县| 宣武区| 江西省| 镇平县| 蚌埠市| 苏尼特右旗| 房山区| 永安市| 新野县|