如何用 JavaScript 获取图像的 usemap 属性值?
若要获取图像的 usemap 属性值,可以使用 useMap 属性。
示例
<!DOCTYPE html> <html> <body> <img id = "myid" src = "/images/html.gif" alt = "HTML Map" usemap = "#html"/> <map name = "html"> <area id = "myarea" shape = "circle" coords = "154,150,59" href = "about.htm" alt = "Team" > </map> <script> var x = document.getElementById("myid").useMap; document.write("<br>Usemap: "+x); </script> </body> </html>
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