代码如下：
<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script src="https://how2j.cn/study/js/jquery/2.0.0/jquery.min.js"></script> <link href="https://how2j.cn/study/css/bootstrap/3.3.6/bootstrap.min.css"> <script src="https://how2j.cn/study/js/bootstrap/3.3.6/bootstrap.min.js"></script> </head> <script> $(function(){ $("img.smallImage").mouseenter(function(){ var bigImageURL = $(this).attr("bigImageURL"); $("img.bigImg").attr("src",bigImageURL); }); $("img.bigImg").load( function(){ $("img.smallImage").each(function(){ var bigImageURL = $(this).attr("bigImageURL"); img = new Image(); img.src = bigImageURL; img.onload = function(){ console.log(bigImageURL); $("div.img4load").append($(img)); }; }); } ); }); </script> <style> div.imgAndInfo{ margin: 40px 20px; } div.imgInimgAndInfo{ width: 400px; float: left; } div.imgAndInfo img.bigImg{ width: 400px; height: 400px; padding: 20px; border: 1px solid #F2F2F2; } div.imgAndInfo div.smallImageDiv{ width: 80%; margin: 20px auto; } div.imgAndInfo img.smallImage{ width: 60px; height: 60px; border: 2px solid white; } div.imgAndInfo img.smallImage:hover{ border: 2px solid black; } </style> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <div> <div> <img src="https://how2j.cn/tmall/img/productSingle/8619.jpg"> <div> <img src="https://how2j.cn/tmall/img/productSingle_small/8620.jpg" bigImageURL="http://how2j.cn/tmall/img/productSingle/8620.jpg"> <img src="https://how2j.cn/tmall/img/productSingle_small/8619.jpg" bigImageURL="https://how2j.cn/tmall/img/productSingle/8619.jpg"> <img src="https://how2j.cn/tmall/img/productSingle_small/8618.jpg" bigImageURL="http://how2j.cn/tmall/img/productSingle/8618.jpg"> <img src="https://how2j.cn/tmall/img/productSingle_small/8617.jpg" bigImageURL="http://how2j.cn/tmall/img/productSingle/8617.jpg"> <img src="https://how2j.cn/tmall/img/productSingle_small/8616.jpg" bigImageURL="http://how2j.cn/tmall/img/productSingle/8616.jpg"> </div> <div ></div> </div> <div></div> </div>
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