form-with-valid-element-add-barred-dynamic.html (552B)
1 <!DOCTYPE html> 2 <!-- form with one valid element and you dynamically add a barred constraint 3 validation element --> 4 <html> 5 <head> 6 <style> 7 form:invalid { display:none } 8 </style> 9 <script> 10 function onLoadHandler() 11 { 12 document.forms[0].appendChild(document.getElementById('i')); 13 document.documentElement.className=''; 14 } 15 </script> 16 </head> 17 <body onload='onLoadHandler();'> 18 <input id='i' value='foo' readonly> 19 <form> 20 <input id='j' value='bar' required> 21 </form> 22 </body> 23 </html>