form-invalid-barred.html (256B)
1 <!DOCTYPE html> 2 <!-- form with invalid barred for constraint validation element --> 3 <html> 4 <head> 5 <style> 6 form:invalid { display: none ;} 7 </style> 8 </head> 9 <body> 10 <form> 11 <input required readonly> 12 </form> 13 </body> 14 </html>