Can I somehow insert the required attribute into an input field only if a certain radio is checked?  I have an input field named "ladder-meters" that is not required to be filled per default. But if the user checks a radio button that is name...

I am building an angular app for which I have some forms set up. I have some fields that are required to be filled before submission. Therefore I have added 'required' on them:  <input type="text" class="form-control" place...

I have a required input :  <input type="text" id="input-id" required>   When user submit it I send its value with ajax and then clear it with  $("#input-id").val(""). After it input becomes invalid, but I want to...

I have some form fields that are dynamically generated form the database. There are inputs, checkboxes, radio buttons, textarea's, and select's. All the fields are in a parent div with ID dynamic-form-fields. Some fields have a required attri...

I would like to set a required before submitting but isn't work any idea? May over JS ? Thank you for your support   <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <tr><td>...

I use the inbuilt AngularJs directive required, once it validates to false I get a small popup close to the field with the text "Please fill out this field". My problem is that I need the text in a different language, how should I proceed?  I...

I have a div which contains one or more inputs files according to a list. This is generated with ngFor. I remove or add element of the list with two buttons and of course it updates the HTML.  Here is the html:   <form name="form" (ngSubmi...

If I understand correctly, when HTML5 forms are computationally submitted via .submit() (rather than manually submitted by clicking <input type="submit" />) the browser will not check for form fields with required attributes.  But. If a...

This is my first time using HTML/CSS to create a form:  While trying to switch from google form to html form for the sake of having an upload button, I've found this very useful answer: Upload file/stackover   Then I looked at improving the desig...

I know how to check if a field is empty and generate an alert if so:  $('#checkout-form').validate({     rules: {         first_name: {             minlength: 2,             required: true         },         ...     } });   But what is the op...