title: HTML 5 Native form validation callback
body: <p>Ive got a table that contains a series of dynamic form fields and im using html5 and bootstrap 3 to control my site.</p>
  
  <p>Ive decided as its only going to be me using this app that i can use native html 5 form validation.</p>
  
  <p>What im wondering is, how do i detect if there is a validation error anywhere on my form and if so, control additional actions that are performed by the form?</p>
  
  <p>The reason i ask, is because im validating dynamic fields and setting some to be disabled, but then enabling them on submit, and if i do so the validation routine catches it and i cant re-disable them when i need to </p>
  
  <p>any help greatly appreciated</p>