HTML5: How to specify which form element a label is bound to?

Last update on February 10 2024 11:42:01 (UTC/GMT +8 hours)

Solution:

HTML Code:

<!DOCTYPE html><!-- Declares the document type and version of HTML -->
<html>
<head>
<meta charset="utf-8"><!-- Specifies the character encoding for the document -->
<title>How to specify which form element a label is bound to</title><!-- Sets the title of the document -->
</head>
<body>
<p>Click on one of the text labels to toggle the related control:</p><!-- Displays a paragraph -->
<form method="post" action="https://www.w3resource.com/html-css-exercise/basic/solution/label-answer-demo.php"><!-- Begins a form element with the method attribute set to "post", indicating that form data will be submitted via HTTP POST method. The action attribute specifies the URL where the form data will be sent upon submission -->
<label for="true">True</label><!-- Creates a label element for the radio button with id "true". The "for" attribute associates the label with the input element with the same id -->
<input type="radio" name="answer" value="true" checked><br><!-- Creates a radio button input element with name "answer" and value "true". The "checked" attribute makes this radio button initially selected -->
<label for="false">False</label><!-- Creates a label element for the radio button with id "false". The "for" attribute associates the label with the input element with the same id -->
<input type="radio" name="answer" value="false"><br><br><!-- Creates a radio button input element with name "answer" and value "false" -->
<input type="submit" value="Submit"><!-- Creates a submit button within the form -->
</form><!-- Ends the form element -->
</body>
</html>

Explanation:

The HTML document starts with a declaration of its type and version (<!DOCTYPE html>).
The <html> element encloses the entire HTML document.
The <head> section contains metadata about the document, including the character encoding (<meta charset="utf-8">) and the title of the document (<title>).
Inside the <body> section, there's a <p> element displaying a paragraph.
Below the paragraph, there's a <form> element, which creates a form for user input. The method attribute is set to "post", indicating that form data will be submitted via HTTP POST method. The action attribute specifies the URL where the form data will be sent upon submission.
Within the form, there are two sets of <label> and <input> elements. Each <label> element is associated with its corresponding <input> element using the "for" attribute, which has a value equal to the id of the related input element. This association allows users to click on the label to select the associated input element.
The radio buttons have names "answer" and values "true" and "false", respectively. The radio button with the "checked" attribute is initially selected.
Finally, an <input> element with type "submit" is used to create a submit button within the form, allowing users to submit the form data.

Live Demo:

See the Pen label-for-answer by w3resource (@w3resource) on CodePen.

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