Example of Help Center field and attachment validation

gistfile1.js

// EXAMPLE OF FIELD VALIDATION
$('#request_custom_fields_23591935')
  .focusout(function()
  {
    var nameReg = /^[A-Za-z]+$/;
    var isValid = $('#request_custom_fields_23591935')
      .val()
      .match(nameReg);
    if (isValid && isValid.length > 0)
    {
      console.log(' VALID! ')
      $('input[type="submit"]')
        .removeAttr('disabled');
      $('#request_custom_fields_23591935')
        .css(
        {
          "background-color": "lightgreen",
          "border": "3px solid green"
        });
    }
    else
    {
      console.log(' invalid! ')
      $('input[type="submit"]')
        .attr('disabled', 'disabled');
      $('#request_custom_fields_23591935')
        .css(
        {
          "background-color": "pink",
          "border": "3px solid red"
        });
    }
    // EXAMPLE OF ATTACHEMNT VALIDATION
    var isAttached = $('.upload-item')
      .length;
    if (isAttached > 0)
    {
      console.log('HAS ATTACHMENT!');
      $('.upload-dropzone')
        .css(
        {
          "background-color": "lightgreen",
          "border": "3px solid green"
        })
    }
    else
    {
      console.log('NO ATTACHMENTS!');
      $('.upload-dropzone')
        .css(
        {
          "background-color": "pink",
          "border": "3px solid red"
        })
    }
  })

// EXAMPLE OF ATTACHEMNT VALIDATION
function attachemntChecker () {
var isAttached = $('.upload-item')
.length;
if (isAttached > 0)
{
console.log('HAS ATTACHMENT!');
$('input[type=submit]').prop('disabled', false);

  $('.upload-dropzone')
    .css(
    {
      "background-color": "lightgreen",
      "border": "3px solid green"
    })
}
else
{
  console.log('NO ATTACHMENTS!');
  $('input[type=submit]').prop('disabled', true);
  $('.upload-dropzone')
    .css(
    {
      "background-color": "pink",
      "border": "3px solid red"
    })
}

}