var img = new Image() 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>new Image</title>
</head>
<body>
    <script src="../20180509/jq.js"></script>
    <script>
        var img = new Image();
        
        callback = function(){};        

        img.onload = function () {
            if (img.complete) {
                console.log(img.width)
                console.log(img.height)
                callback(img.width, img.height);
            }
            console.log(222)
            callback(img.width, img.height);
            $("body").append(img);
        };

        img.src="../images/01.jpg";
        // 原生方法
        // img.addEventListener("click",function(){
        //     console.log("click");
        // })
        // jq方法
        $(img).on("click",function(){
            console.log("click");
        })
        
    </script>
</body>
</html>

 

posted @ 2018-05-15 10:32  winteronlyme  阅读(488)  评论(0)    收藏  举报