W3School TIY
编辑您的代码：
<html> <body> <img border="0" src="../i/eg_smile.gif" /> <br /> <img border="0" src="../i/eg_mouse.jpg" /> <br /><br /> <script type="text/javascript"> document.write("本文档包含：" + document.images.length + " 幅图像。") </script> </body> </html>
查看结果: