返回的是object HTMLCollection怎么解决

var imgs=document.getElementById("J_UlThumb").getElementsByTagName("img");获取图片返回的是object HTMLCollection如果输出imgs显示为object HTMLImageElement
怎么才能得到图片里的src

解决方案 »

  1.   

    document.getElementById("J_UlThumb").getElementsByTagName("img")[0],试试
      

  2.   


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    </head><body>
    <img src="http://www.apobates.com/big.logo.png"/>
    <script type="text/javascript">
    var eles=document.getElementsByTagName('img');
    //alert(eles[0]);
    alert(eles[0].src);
    </script>
    </body>
    </html>
      

  3.   

    <!DOCTYPE html>
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>test1</title>
        <script src="Scripts/jquery-1.7.1.min.js"></script>
        <script type="text/javascript">
            window.onload = function () {
                //DOM方法
                var imgs = document.getElementById("J_UlThumb").getElementsByTagName("img");
                for (var i = 0; i < imgs.length; i++) {
                    alert(imgs[i].src);
                }            //jquery方法
                $("#J_UlThumb").find("img").each(function () {
                    alert($(this).attr("src"));
                });
            }
        </script>
    </head>
    <body>
        <div id="J_UlThumb">
            <img id="Img1" src="img1.jpg" />
            <img id="Img2" src="img2.jpg" />
        </div>
    </body>
    </html>