Why were `required` and `optional` removed in Protocol Buffers 3?
I noticed that required and optional have been removed in the new syntax. Why were required / optional removed in proto3? Such keywords introduce constraints which should improve …
.net - required vs [Required] in C# 11 - Stack Overflow
Mar 30, 2023 · Agreed. [Required] is for data validation and in many cases work with ef, and required keyword is c# general.
html - required or required = "required" - Stack Overflow
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, …
Use CSS to automatically add 'required field' asterisk to form inputs
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.
Can I apply the required attribute to <select> fields in HTML?
Feb 16, 2023 · The required attribute is a boolean attribute. When specified, the user will be required to select a value before submitting the form. If a select element has a required …
validation - How to Indicate Required Fields? - Stack Overflow
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 …
How do I make a field required in HTML? - Stack Overflow
Find out how to make a field required in HTML forms using the "required" attribute and ensure proper validation for user inputs.
Using the HTML5 "required" attribute for a group of checkboxes?
Jun 3, 2011 · When using the newer browsers that support HTML5 (FireFox 4 for example); and a form field has the attribute required='required'; and the form field is empty/blank; and the …
How to set HTML5 required attribute in Javascript?
edName.attributes.required = [object Attr] That's because required in that code is an attribute object, not a string; attributes is a NamedNodeMap whose values are Attr objects. To get the …
How to use the "required" attribute with a "radio" input field
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). …