JS动画效果代码2【javascript】

web前端|js教程 JS动画效果代码2【javascript】

JS,动画效果

web前端-js教程

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<br /><title>Untitled Document</title> <div class="khw">智能手环 安桌源码,vscode文字设置,ubuntu安装系统如何分区,tomcat 415报错,sqlite单表容量,jquery模糊查询插件,前端页面自动生成框架,github开源爬虫项目,php子类 父类,常州seo技术,小说网站用了杰奇网络,公安局网页交流模板,帝国cms 7.2企业模板,html5的在线播放页面,办公管理系统源代码下载,防伪系统开源程序lzw</div>  <p> <div class="khw">jquery问卷调查源码,vscode编译c 乱码,安装Ubuntu为/,tomcat响应被拦截,sqlite数据库的方法,网络爬虫哪本书比较好听,php文件内容搜索,成都做外贸seo服务,书画展示网站源码,移动端的网站模板下载工具lzw</div> </p><div id="apDiv1"></div><div id="apDiv2"></div><div id="apDiv3"></pre><br /> function $(pId){  return document.getElementById(pId); } </p><p>function JPos(){ </p><p>} </p><p>JPos.getAbsPos = function(pTarget){  var _x = 0;  var _y = 0;  while(pTarget.offsetParent){    _x += pTarget.offsetLeft;    _y += pTarget.offsetTop;    pTarget = pTarget.offsetParent;  }  _x += pTarget.offsetLeft;  _y += pTarget.offsetTop; </p><p> return {x:_x,y:_y}; } </p><p>function JAniObj(){  this.obj = null;  this.interval = null; </p><p> this.orgPos = null;  this.targetPos = null; </p><p> this.orgSize = {w:50,y:50};  //初始长宽  this.targetSize = {w:100,y:100}; //目标长宽  this.step  = {x:10,y:10};  //步长 x:x方向　y:y方向  this.alpha  = {s:10,e:90,t:10};  //透明度，s初始，e结束,t步长 } </p><p>function JAni(){  var self = this;  var aniObjs = {}; </p><p> this.popup = function(pDiv,pOrgSize,pTargetSize,pStep,pAlpha){ </p><p>  var aniObj = new JAniObj();   aniObjs[pDiv] = aniObj; </p><p>  with(aniObj){    obj   = $(pDiv);    orgPos  = JPos.getAbsPos(obj);    orgSize  = pOrgSize;    targetSize = pTargetSize;    step  = pStep;    alpha  = pAlpha; </p><p>   with(obj.style){     overflow = “hidden”;     position = “absolute”;     width = pOrgSize.w + “px”;     height = pOrgSize.h + “px”;     left = orgPos.x + “px”;     top = orgPos.y + “px”;      if(document.all){      filter = “Alpha(opacity=” + pAlpha.s + “)”;     }else      opacity = pAlpha.s / 100;    }      } </p><p>  aniObj.interval = setInterval(“popup_(‘” + pDiv + “‘)”,10);  } </p><p> popup_ = function(pDivId){ </p><p>  pObj = aniObjs[pDivId]; </p><p>  var w = parseInt(pObj.obj.style.width);   var h = parseInt(pObj.obj.style.height); </p><p>  if(w >= pObj.targetSize.w && h >= pObj.targetSize.h){    clearInterval(pObj.interval);    if(document.all)     pObj.obj.style.filter = “Alpha(opacity=” + pObj.alpha.e + “)”;    else     pObj.obj.style.opacity = pObj.alpha.e / 100;    delete aniObjs[pObj.obj.id];   }else{    if(w < pObj.targetSize.w)      w += pObj.step.x;    if(h <pObj.targetSize.h)     h += pObj.step.y;    if(document.all){     var pattern = /opacity=(\d{1,3})/;     var result = pattern.exec(pObj.obj.style.filter);     if(result != null){      if(result[1] < pObj.alpha.e)       pObj.obj.style.filter = "Alpha(opacity=" + (result[1] + pObj.alpha.t) + ")"      else       pObj.obj.style.filter = "Alpha(opacity=" + pObj.alpha.e + ")";     }    }else{     if(pObj.obj.style.opacity < pObj.alpha.e / 100){      pObj.obj.style.opacity = parseFloat(pObj.obj.style.opacity) + pObj.alpha.t / 100;     }else      pObj.obj.style.opacity = pObj.alpha.e / 100;    }   }      pObj.obj.style.width = w + "px";   pObj.obj.style.height = h + "px";  } } var ani = new JAni();  ani.popup(     "apDiv1",     {w:50,h:50}, //初始长宽     {w:200,h:500}, //目标长宽     {x:8,y:8},  //步长     {s:10,e:80,t:10}//透明度 起始，结束，步长     );       ani.popup(     "apDiv2",     {w:30,h:50}, //初始长宽     {w:400,h:400}, //目标长宽     {x:8,y:8},  //步长     {s:10,e:80,t:2}//透明度 起始，结束，步长     );       ani.popup(     "apDiv3",     {w:10,h:10}, //初始长宽     {w:200,h:500}, //目标长宽     {x:8,y:8},  //步长     {s:10,e:80,t:10}//透明度 起始，结束，步长     );          </p><p>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

动画效果