1022 TL;DR: Set the required attribute for at least one input of the radio group. Setting required for all inputs is more clear, but not necessary (unless dynamically generating radio-buttons). …

Find out how to make a field required in HTML forms using the "required" attribute and ensure proper validation for user inputs.

This means that you can specify a required boolean attribute two different ways: edName.attributes.required = ""; //the empty string edName.attributes.required = "required"; …

What you need is :required selector - it will select all fields with 'required' attribute (so no need to add any additional classes). Then - style inputs according to your needs.

I have some code and when it executes, it throws a NullReferenceException, saying: Object reference not set to an instance of an object. What does this mean, and what can I do to fix …

Then you want the form to allow a search without that attribute. For instance you have colour as a required field in the model, but you might want search for objects that have a certain shape, …

Source: Form fields — Required vs Optional by Jordane Sanson Why use optional fields is always better than required : An asterisk is obvious to you, not to everyone, believe me, there are …

I am trying to figure out how to set required on my json-schema array of objects. The required property works fine on an object just not an array. Here is the items part of my json schema: "

Sep 20, 2016 · Add required=false to the @RequestParam notation for both. Or you could decide to explicitly use one, set it to required=false and set the other as the defaultValue.

Sep 24, 2013 · Required This attribute specifies that the user must fill in a value before submitting a form. It cannot be used when the type attribute is hidden, image, or a button type (submit, …