W3School TIY Editor
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<html> <head> <script type="text/javascript"> function showTabIndex() { var r1=document.getElementById('radio1').tabIndex; var r2=document.getElementById('radio2').tabIndex; var r3=document.getElementById('radio3').tabIndex; document.write("Tab index of radio button 1: " + r1); document.write("<br />"); document.write("Tab index of radio button 2: " + r2); document.write("<br />"); document.write("Tab index of radio button 3: " + r3); } </script> </head> <body> <form> <input type="radio" id="radio1" tabindex="1" /><br /> <input type="radio" id="radio2" tabindex="2" /><br /> <input type="radio" id="radio3" tabindex="3" /><br /> <input type="button" onclick="showTabIndex()" value="Show tabIndex" /> </form> </body> </html>