jQuery custom magnifying glass effect

This article example shares the specific code of jQuery's custom magnifying glass effect for your reference. The specific content is as follows

jQuery plugin definition:

<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title></title>
  <script src="js/jquery3.6.0.js"></script>
  <style type="text/css">
   div{
    width: 200px;
    height: 200px;
   }
  </style>
 </head>
 <body>
  <div></div>
  <div></div>
  <script>
   // 1. jQuery plugin, defined on the basis of jQuery.fn // 2. Naming conflict resolution // 3. Loop through each element in the jQuery object // 4. In the function, return jQuery (this)
   
   (function($){
    $.fn.extend({
     randomColor:function(){
      // this refers to the pseudo array consisting of all the elements we selected through the $selector function random(){
       var r = Math.floor(Math.random()*256);
       var g = Math.floor(Math.random()*256);
       var b = Math.floor(Math.random()*256);
       
       return 'rgb('+ r +','+ g +','+ b +')';
      }
      this.each(function(index){
       $(this).css({
        backgroundColor:random()
       })
      })
      return this;
     }
    })
   })(jQuery);
   $('div').randomColor();
  </script>
 </body>
</html>

<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title></title>
  
  <style type="text/css">
   *{
    margin: 0;
    padding: 0;
   }
   .magnifier .left{
    width: 240px;
    height: 150px;
    float: left;
    position: relative;
   }
   .magnifier .left img{
    width: 240px;
    height: 150px;
   }
   .magnifier .left .mask{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: black;
    opacity: 0.4;
   }
   .magnifier .float{
    width: 50px;
    height: 50px;
    background: hotpink;
    opacity: 0.5;
    position: absolute;
    left: 0;
    top: 0;
   }
   .magnifier .right{
    height: 200px;
    width: 200px;
    background-image: url(img/2.jpg) ;
    float: left;
    margin-left: 50px;
   }
  </style>
 </head>
 <body>
  
  <div class="magnifier">
   <div class="left">
    <img src="./img/2.jpg" >
    <div class="float">
     
    </div>
    <div class="mask"></div>
   </div>
   <div class="right"></div>
  </div>
  <script src="js/jquery3.6.0.js"></script>
  <script>
   (function($){
    $.fn.extend({
     magnifier:function(){
      this.each(function(){
       var that=this;
       $('.left',this).mousemove(function (evt){
        var x=evt.offsetX;
        var y=evt.offsetY;
        var float=$('.float',this);
        
        x=x-float.width/2;
        y=y-float.height/2;
        
        if(x<0){
         x=0;
        }
        if(y<0){
         y=0;
        }
        if(x > $(this).width()-float.width()){
         x = $(this).width()-float.width();
        }
        if(y > $(this).height()-float.height()){
         y = $(this).height()-float.height();
        }
        float.css({
         left:x,
         top:y
        });
        $('.right',that).css({
         backgroundPosition:x*-4+'px' + y*-4+'px'
        })
       }).mouseover(function(){
        
       }).mouseout(function(){
        
       })
      });
     }
    })
   })(jQuery)
   $('.magnifier').magnifier();
  </script>
 </body>
</html>

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

You may also be interested in:

Use JQuery to imitate Taobao's image magnifying glass display effect
Image magnifying glass effect based on Jquery plug-in development (imitating Taobao)
Example code of jquery image magnifier function
About the use of Jqzoom jquery magnifying glass effect plug-in
Magnifying glass effect based on jquery
Ideas and codes for implementing image magnifying glass effect with Jquery (self-written)
Product display magnifying glass based on jQuery
jQuery implements magnifying glass effect example code
jQuery magnifying glass effect is very beautiful
Using jQuery to implement magnifying glass effect

<<: Resolving MySQL implicit conversion issues

>>: Example code for using Nginx to implement 301 redirect to https root domain name