HTML5: How to refer to a datalist element that contains pre-defined options for an input element?

Last update on February 09 2024 12:52:45 (UTC/GMT +8 hours)

Solution :

HTML Code:

<!DOCTYPE html><!-- Declaration specifying the document type -->
<html><!-- Opening tag for the root element of the HTML document -->
<head><!-- Opening tag for the document's header section -->
<meta charset="utf-8"><!-- Metadata tag specifying the character encoding of the document -->
<title>How to refer to a datalist element that contains pre-defined options for an input element</title><!-- Title of the HTML document -->
</head><!-- Closing tag for the document's header section -->
<body><!-- Opening tag for the document's body section -->
<form method="post" action="http://wwww.w3resource.com/html-css-exercise/basic/solution/input-list-answer-demo.php"><!-- Form element defining a form with method and action attributes -->
<input list="animal" name="animal"><!-- Input field with list attribute referencing the ID of the datalist element -->
<datalist id="animal"><!-- Datalist element containing pre-defined options for the input element -->
<option value="Lion"><!-- Option for the datalist -->
<option value="Tiger"><!-- Option for the datalist -->
<option value="Elephant"><!-- Option for the datalist -->
</datalist><!-- Closing tag for the datalist element -->
<input type="submit"><!-- Submit button for the form -->
</form><!-- Closing tag for the form -->
</body><!-- Closing tag for the document's body section -->
</html><!-- Closing tag for the root element of the HTML document -->

Explanation:

This HTML code demonstrates how to refer to a datalist element that contains pre-defined options for an input element.
The form element is defined with method set to "post" and action set to the URL where the form data should be sent.
Inside the form, there is an input field with the name "animal" and a list attribute referencing the ID of the datalist element.
The datalist element with ID "animal" contains pre-defined options such as Lion, Tiger, and Elephant.

Live Demo:

See the Pen input-list-answer by w3resource (@w3resource) on CodePen.

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