limanza

required Attribute :

Definition and Usage The required attribute is a boolean attribute. When present, it specifies that an input field must be filled out before submitting the form.

Note: The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file. Differences Between HTML 4.01 and HTML5 The required attribute is new in HTML5. D

ifferences Between HTML and XHTML In XHTML, attribute minimization is forbidden, and the required attribute must be defined as

Example
<form method="get">
     <input type="text"  name ="name"   >
     <input type="text"  name ="family"  required >
    <input type="submit" value="Send">
</form>
code
output

 

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