tryjsref_img_lowsrc 在线代码实例

 <img id="compman" src="/upload2/statics/images/w3c/eg_compman.gif" lowsrc="/statics/images/w3c/eg_compman_lowres.gif" alt="Computerman" width="107" height="98">
<br>

<script>
var x=document.getElementById("compman");
document.write('<a href="' + x.lowsrc + '">Low resolution</a>');
</script>