html - required or required = required - Stack Overflow 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, reset, or button) The :optional and :required CSS pseudo-classes will be applied to the field as appropriate MDN
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 always some who do not understand The red asterisks make users more fearful, it increases the risk of errors and reduces the form completion rate
Using the HTML5 required attribute for a group of checkboxes? 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 submit button is clicked
How to use the required attribute with a radio input field I am just wondering how to use the new HTML5 input attribute "required" in the right way on radio buttons Does every radio button field need the attribute like below or is it sufficient if only one