input-radio-required.html (401B)
1 <!DOCTYPE html> 2 <html> 3 <!-- Test: if one radio in a group has the required attribute and no radio is 4 checked, all radio in the group should suffer from being missing. --> 5 <link rel='stylesheet' type='text/css' href='style.css'> 6 <body> 7 <input class='invalid' id='i1' name='foo' type='radio' required> 8 <input class='invalid' id='i2' name='foo' type='radio'> 9 </body> 10 </html>