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【JS】 Show or Hide an Element Based on a Checkbox
JS - Periodically Run a Function
JS - Periodically Run a Function
In this tutorial, we’ll walk you through the process of creating interactive web pages where you can show or hide elements based on the state of a checkbox. This commonly used web development technique allows you to provide users with more control over their web experience. We’ll guide you step by step through the code and explain how it works.
Table of - contents
No. | Title |
|---|---|
1 | Code Example 1 |
2 | Conclusion |
Example - 1.
<!DOCTYPE html>
<html>
<head>
<title>Show/Hide Element with Checkbox</title>
</head>
<body>
<h2>Show/Hide Element</h2>
<input type="checkbox" id="myCheckbox"> Show Element
<div id="myElement" style="display: none;">
This is the element you can show or hide.
</div>
<script>
// Get the checkbox element and the element to show/hide
const checkbox = document.getElementById('myCheckbox');
const element = document.getElementById('myElement');
// Add an event listener to the checkbox
checkbox.addEventListener('change', function() {
if (checkbox.checked) {
// If the checkbox is checked, show the element
element.style.display = 'block';
} else {
// If the checkbox is unchecked, hide the element
element.style display = 'none';
}
});
</script>
</body>
</html>
Explanation.
a) We create a simple web page with a checkbox and a div element.
b) Initially, the div element is hidden using the ‘display: none’ CSS property.
c) JavaScript is used to add an event listener to the checkbox. When the checkbox’s state changes (checked or unchecked), the script modifies the ‘display’ style property of the div to show or hide it.
2 - Conclusion.
This example demonstrates a basic way to show or hide an HTML element based on the state of a checkbox using HTML and JavaScript. You can customize this code to create more complex interactions or integrate it into your web applications.
By following these steps, you’ll be able to create dynamic and user-friendly web pages that give your visitors greater control over their online experience. This simple yet effective technique can be a valuable addition to your web development toolkit.
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