How Can JavaScript Be Used to Toggle the Visibility of Multiple Div Elements on a Web Page?

Displaying and Hiding an Element Using JavaScript

In web development, dynamically displaying or hiding elements on a web page can significantly enhance the user interface. This article focuses on manipulating the visibility of div elements using JavaScript, providing you with reliable methods to control the appearance and behavior of your web page.

Our goal is to understand how to toggle the visibility of two divs on a web page using buttons. While your initial code successfully toggles the view of one div, we will explore a comprehensive solution to effectively toggle the display of both divs.

Hiding and Displaying an Element

Manipulating an element's style property is crucial for controlling its visibility. The display property proves to be the most versatile option in managing how an element appears on the page:

element.style.display = 'none'; // Hide
element.style.display = 'block'; // Show

Alternatively, modifying the visibility property ensures that an element maintains its allocated space even when hidden:

element.style.visibility = 'hidden'; // Hide
element.style.visibility = 'visible'; // Show

Toggling Visibility for a Group of Elements

To toggle the visibility of multiple elements, iterate through each element and set their display property to none:

function hide (elements) {
  elements = elements.length ? elements : [elements];
  for (var index = 0; index < elements.length; index++) {
    elements[index].style.display = 'none';
  }
}

This utility function accepts both a single element or an array of elements, ensuring flexibility in hiding a group of elements.

Utilizing these methods, we can refine your code to achieve the desired functionality:

function toggleView(active, hidden) {
  document.getElementById(active).style.display = 'block';
  document.getElementById(hidden).style.display = 'none';
}

// Usage:
const view1 = 'target';
const view2 = 'replace_target';

document.querySelector('button.toggle').addEventListener('click', () => {
  toggleView(activeView === view1 ? view2 : view1, activeView === view1 ? view1 : view2);
  activeView = activeView === view1 ? view2 : view1;
});

This revised code assigns the active and hidden views dynamically based on button clicks. By switching between the two variables, we effectively toggle the visibility of the target and replacement divs.

By mastering these JavaScript techniques, you can seamlessly control the visibility of elements on your web page, enhancing user engagement and the overall functionality of your website.

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