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, …

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 …

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 …

As ms2ger has pointed out, the required attribute is a boolean attribute, and here's what the HTML 5 spec has to say about those: Note: The values "true" and "false" are not allowed on …

1023 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). …

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 …

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

Note: Required options are generally considered bad form because users expect options to be optional, and thus they should be avoided when possible. That being said, the headers …

new { @class = "form-control", placeholder = "short name", required="required"}) or you can use the RequiredAttribute class in .Net. With jQuery the RequiredAttribute can Validate on the front …