Implement magnifying glass effect based on jquery_jquery

Special effects display of product pictures on detailed pages of major malls. The mouse slides over the small picture to display the middle picture. The mouse slides over the middle picture to display the large picture display. The jquery magnifying glass effect picture is similar to the picture magnifying glass display to improve user experience design. jquery picture magnifying glass effect It is a typical picture special effects display.

The rendering is as follows:

Initial style of picture frame:

 <div class="goods-imginfo-bimg-box" style="background-image: url(http://www.od.my/images/201507/thumb_img/142_thumb_P_1435792664520.jpg); position: relative;"></div>

Add a magnification area frame and a magnification effect frame

picBox=$('.goods-imginfo-bimg-box');
picBox.css('position','relative');
picBox.append('<div class="mag-sbox"></div>');
picBox.append('<div class="mag-box"></div>');

Add style sheet

$("head").append('<link rel="stylesheet" type="text/css" href="themes/od/css/mag.css">');

Style

@CHARSET "UTF-";
 .mag-sbox{position: absolute;border: px solid #fff;background-color: rgba(,,,.);cursor: crosshair;z-index: ;display: none;}
 .mag-box{position: absolute;left: %;top:;margin-left: px;border:px solid #ccc;width: %;height:%;
 background-size: cover;background-color: #fff;z-index: ;display: none;
 }
js
 /*
 * 放大镜效果 
 * 不改变前面的代码
 * 添加放大镜效果
 * 给 goods-imginfo-bimg-box；
 * */
 $("head").append('<link rel="stylesheet" type="text/css" href="themes/od/css/mag.css">');
 picBox=$('.goods-imginfo-bimg-box');
 picBox.css('position','relative');
 picBox.append('<div class="mag-sbox"></div>');
 picBox.append('<div class="mag-box"></div>');
 msBox=$('.mag-sbox');
 mBox=$('.mag-box');
 bs=; //倍数
 msBox.css({width:picBox.width()/+'px',height:picBox.height()/+'px'});
 mBox.css({'backgroundSize':bs*+'%'});
 picBox.mousemove(function(e){
  mBox.css('backgroundImage',$(this).css('backgroundImage')); //给大图背景
  if(msBox.css('display')!='block'){ //鼠标放上去，出现范围框和效果框
  msBox.show();
  }
  if(mBox.css('display')!='block'){
  mBox.show();
  }
  /* 鼠标移动 */
  xleft=e.pageX-picBox.offset().left-msBox.width()/;
  if(xleft<){
  xleft=;
  }else if(xleft>picBox.width()-msBox.width()){
  xleft=picBox.width()-msBox.width();
  }
  xtop=e.pageY-picBox.offset().top-msBox.height()/;
  if(xtop<){
  xtop=;
  }else if(xtop>picBox.height()-msBox.height()){
  xtop=picBox.height()-msBox.height();
  }
  msBox.css({'left': xleft+'px','top': xtop+'px'});
  mBox.css({'backgroundPosition':-bs*xleft+'px '+-bs*xtop+'px'});
 });
 picBox.mouseout(function(){
  msBox.hide();
  mBox.hide();
 });

The above code is based on jquery to achieve the magnifying glass effect. I hope you like it.