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The tabIndex property sets or returns the tab order for an area in an image-map.
tabindex属性可设置或返回热点图片中的tab顺序。
areaObject.tabIndex=tabIndex |
The following example shows the tab order of the areas in the image-map:
下面的举例将展示如何显示出热点图片area的tab顺序:
<html> <head> <script type="text/javascript"> function showTabIndex() { var sun=document.getElementById('sun').tabIndex; var mercury=document.getElementById('mercury').tabIndex; var venus=document.getElementById('venus').tabIndex; document.write("Tab index of Sun: " + sun); document.write("<br />"); document.write("Tab index of Mercury: " + mercury); document.write("<br />"); document.write("Tab index of Venus: " + venus); } </script> </head> <body> <img src ="planets.gif" width="145" height="126" alt="Planets" usemap ="#planetmap" /> <map name="planetmap"> <area shape ="rect" coords ="0,0,82,126" href ="sun.htm" id="sun" tabIndex="1" /> <area shape ="circle" coords ="90,58,3" href ="mercur.htm" id="mercury" tabIndex="2" /> <area shape ="circle" coords ="124,58,8" href ="venus.htm" id="venus" tabIndex="3" /> </map> <input type="button" onclick="showTabIndex()" value="Show tabIndex" /> </body> </html> |
Return the tab orderof the areas in an image-map
返回热点地图中area的tab顺序