Full Code Example of HTML required Attribute

The input required attribute The required attribute specifies that an input field must be filled out before submitting the form.

index.html

Example: HTML

<!DOCTYPE html>
<html>
<body>

<h1>The input required attribute</h1>

<p>The required attribute specifies that an input field must be filled out before submitting the form.</p>

<form action="/action_page.php">
  <label for="username">Username:</label>
  <input type="text" id="username" name="username" required>
  <input type="submit" value="Submit">
</form>

</body>
</html>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Input Attributes
Uploaded by:	Admin