js预处理图片个人见解1

时间：2022-12-17 05:34:27
 <!doctype html>

 <html lang="en">

 <head>

     <meta charset="UTF-8">

     <title>js处理预加载图片</title>

 </head>

 <img src="http://static.googleadsserving.cn/pagead/imgad?id=CICAgKDTydS8JhCsAhj6ATIIRJtOOsejnHk" alt=""/>

 <img src="http://www.jb51.net/images/logo.gif" alt=""/>

 <img src="http://imglf1.nosdn.127.net/img/Z09yMllJWHpmK2NBcnB4M2lKOFRHK2d1azFNSmFveVE1OG8vTmVJNXhZYnhycGFzOXhqckZ3PT0.jpg?imageView&thumbnail=2000y1235&type=jpg&quality=96&stripmeta=0&type=jpg" alt=""/>

 <img src="http://imgcdn.ph.126.net/OR2duCBCm0pSFr-J9FaApg==/6631284369490579486.jpg" alt=""/>

 <img src="http://imgcdn.ph.126.net/TjjGrghOlZKwrarCHGFEMQ==/294704300716273180.jpg" alt=""/>

 <img src="http://imglf2.nosdn.127.net/img/SVRrRE5mVzEvM0FRWGZSQ1RYSmdkNXFlNmhQWWRrRmdyU0N1TXdnd05KUWhNY3BRSXV3MUJRPT0.jpg?imageView&thumbnail=2000y1329&type=jpg&quality=96&stripmeta=0&type=jpg" alt=""/>

 <img src="http://imgcdn.ph.126.net/czn-UyCIDqKOQbNknCSbpg==/3750935539746209461.jpg" alt=""/>

 <body>

 <script>

     var arr1 = [

             "http://static.googleadsserving.cn/pagead/imgad?id=CICAgKDTydS8JhCsAhj6ATIIRJtOOsejnHk",

             "http://www.jb51.net/images/logo.gif",

             "http://imglf1.nosdn.127.net/img/Z09yMllJWHpmK2NBcnB4M2lKOFRHK2d1azFNSmFveVE1OG8vTmVJNXhZYnhycGFzOXhqckZ3PT0.jpg?imageView&thumbnail=2000y1235&type=jpg&quality=96&stripmeta=0&type=jpg",

             "http://imgcdn.ph.126.net/OR2duCBCm0pSFr-J9FaApg==/6631284369490579486.jpg",

             "http://imgcdn.ph.126.net/TjjGrghOlZKwrarCHGFEMQ==/294704300716273180.jpg",

             "http://imglf2.nosdn.127.net/img/SVRrRE5mVzEvM0FRWGZSQ1RYSmdkNXFlNmhQWWRrRmdyU0N1TXdnd05KUWhNY3BRSXV3MUJRPT0.jpg?imageView&thumbnail=2000y1329&type=jpg&quality=96&stripmeta=0&type=jpg",

             "http://imgcdn.ph.126.net/czn-UyCIDqKOQbNknCSbpg==/3750935539746209461.jpg",

     ];

     function loadimg(){

         var t = 0;

         Oimg = document.getElementsByTagName("img");

         for(var i=0;i<Oimg.length;i++){

             Oimg[i].onload = function(){

                 if(t == Oimg.length-1){

                     alert("加载完成");

                 }else{

                     t++;

                 }

             }

         }

     }

 loadimg();

 </script>

 </body>

 </html>

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