Hiding attachment/system fields on ticket form

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I am not a programmer, so I'd like to ask for some help in the community. I tried using the code snip that Kristin posted 3 years ago, but it is not working for me. I copied it below and adapted to one form only:

//Form Submit
$(document).submit(function() {
//set a string to equal the custom field value
var subjectstring1 = $("#request_custom_fields_360026456434").val();
//set subject to equal a string including field value string
$('#request_subject').val("Request Received From " + subjectstring1);
});
//End Form Submit

In the past few years, has the format changed? Can you see anything wrong with this code?

Thanks for pointing that out, Mostafa. 

An alternate nice approach is documented at this KB article.

Hi Edward! Welcome to the Community!

You can access the code for your Help Center by going to your Guide Admin tools (upper right corner of the screen when you're in your Help Center). Click the eye icon in the sidebar that appears on the left side of your screen; this will take you to the Theming Center. Click on the theme you wish to edit, then click the button with the three dots at the top of the sidebar and click edit code. This will show you a list of any assets you've uploaded to your Help Center, as well as your HTML templates and you JS and CSS scrips. Scroll to the bottom and click on script.js.

Bear in mind that the ability to customize your Help Center code is only available if you're on Guide Professional. If you're on Guide Lite you won't be able to customize your theme.

How do you get to the JS tab, I cant see it on the admin page

Anyone knows how to make a optional field required based on the selection of dropdown field?  Something like: 

if ($('.request_some_custom_fieldA').val() == "SW"){

$('.request_some_custom_fieldB').required() = true;

}

hi Trapta, thank you very much !

I have figured this out and it works well :)

$('.request_cc_emails').hide();

Mix up with the field id before.

@Bertrand Bazin,

Try using this code -

$(document).ready(function() {
 if (window.location.href == "https://support.blooms.fr/hc/fr/requests/new?ticket_form_id=251769") { 
  $('.request_subject').hide()
 }
});

Let me know how it goes for you.

Thanks

@Huong-Ly Dang,

Try using this code -

if (window.location.href == "https://e-education.zendesk.com/hc/en-us/requests/new?ticket_form_id=250925") {
 $('.request_cc_emails').hide();
}

Let me know how it goes for you.

Thanks