JavaScript 实现图片动态显示效果完整示例

核心代码实现

<html>
    <head>
        <meta charset="UTF-8">
        <title>js-是动态实现图片显示</title>
        <script type="text/javascript">
//            设置图片的动态效果
            function photoOper(ph,photo){
//                获取图片对象
//                var ph=document.getElementById(id); //可以通过id获得，但是没必要，我们可以直接使用this直接把对象传过来
                ph.style.border="solid 1px";   //我们是重新赋值，所以我们要用=赋值符，而不是：各个是属性说明
//                在大屏块显示
                big.src=photo;     //传过来的数据就已经是一个字符串类型了，虽然我们src的值需要是字符串，但是如果再加一个""就会导致路径不明，这样其实际图片名相当于带了""
            }               //src是big的属性的是不是样式属性，可以直接调用修改，不用加style
            function photoOper2(ph){
                ph.style.border="";    //移出后边框值没
            }
        </script>
        <style type="text/css">
            #showdiv{
                width: 500px;
                height: 440px;
                border: solid 1px;
                border-radius: 15px;
            }
            #ta{
                margin: auto;
                margin-top: 10px;
                margin-left: 10x;
            }
            img{
                margin-left: 3px;
            }
        </style>
    </head>
    <body>
        <div id="showdiv">
            <table id="ta">
                <tr>
                    <td colspan="4" width="490px" height="344px"><img src="http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/Guardians-of-the-Galaxy-Poster-High-Res.jpg" width="490px" id="big"/></td>
                </tr>
                <tr>
                    <td height="68px"><img src="http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/Blade-Runner-poster-art-Harrison-Ford.jpg" height="65px" id="p1" onmousemove="photoOper(this,'http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/Blade-Runner-poster-art-Harrison-Ford.jpg')" onmouseout="photoOper2(this)"/></td>
                    <td><img src="http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/2017_alien_covenant_4k-5120x2880-1920x1080.jpg" height="65px" onmousemove="photoOper(this,'http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/2017_alien_covenant_4k-5120x2880-1920x1080.jpg')" onmouseout="photoOper2(this)" /></td>
                    <td><img src="http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/robocop-1987-wallpaper-2.jpg" height="65px" onmousemove="photoOper(this,'http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/robocop-1987-wallpaper-2.jpg')" onmouseout="photoOper2(this)"/></td>
                    <td><img src="http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/sJALsDXak4EehSg2F2y92rt5hPe.jpg" height="65px" onmousemove="photoOper(this,'http://demo.jb51.net/js/2018/html5-css3-3d-img-flash-codes/images/sJALsDXak4EehSg2F2y92rt5hPe.jpg')" onmouseout="photoOper2(this)"/></td>
                </tr>
            </table>
        </div>
    </body>
</html>