W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <body> <img src="../i/eg_planets.jpg" border="0" usemap="#planetmap" alt="Planets" /> <map name="planetmap" id="planetmap"> <area id="sun" shape="rect" coords="0,0,110,260" href ="../example/html/sun.html" target ="_blank" title="Sun" /> </map> <p>太阳的咨询性标题是（请把鼠标移动到太阳上）： <script> var x=document.getElementById('sun'); document.write(x.title); </script> </p> </body> </html>
查看结果: