Change maxLenght of register form inputs

change_maxlength_of_inputs.html

<script>
function tryEl(e) {
  var privEl = document.querySelector('.register-form');
  if (!privEl) {
    window.requestAnimationFrame(tryEl);
  } else {
    changeForm(privEl);
  }
}

function changeForm(el) {
  var inputs = document.querySelectorAll('input[type=text],input[type=email]');
  if (inputs && inputs.length) {
    for (var i = 0; i < inputs.length; i++) {
      inputs[i].maxLength = 30;
    }
  }
}

tryEl();
</script>