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Скачать или смотреть How to Easily Pull All Objects of an HTML Class into an Array Using JavaScript

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  • 2025-10-10
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How to Easily Pull All Objects of an HTML Class into an Array Using JavaScript
How can I pull all objects of an HTML class into an array (JS)javascript
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Описание к видео How to Easily Pull All Objects of an HTML Class into an Array Using JavaScript

Discover a straightforward method to gather all objects of an HTML class into an array using JavaScript. This guide includes easy-to-follow steps and code snippets.
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This video is based on the question https://stackoverflow.com/q/68292974/ asked by the user 'burningup' ( https://stackoverflow.com/u/16402306/ ) and on the answer https://stackoverflow.com/a/68293137/ provided by the user 'Matt' ( https://stackoverflow.com/u/1207539/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How can I pull all objects of an HTML class into an array (JS)

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The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

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How to Easily Pull All Objects of an HTML Class into an Array Using JavaScript

When developing a web project, especially one involving a layout with overlapping cards, you may encounter scenarios where you want to manipulate elements dynamically. In this guide, we'll address a common problem faced by many developers, particularly those new to JavaScript: how to pull all objects of an HTML class into an array.

This technique is crucial when you need to programmatically adjust properties like z-index to create a visually appealing stacking effect. Let's explore a practical solution to achieve this.

The Problem

Imagine you have several card elements on a webpage, and you want to stack them in a specific order based on user interaction, such as hovering over a card. You might want the stacks to change dynamically, ensuring that the hovered card moves to the front while others fall to the back.

The challenge becomes how to efficiently gather these card elements into an array for manipulation in JavaScript. If you've tried methods like Array.from() or various loops only to find yourself struggling, you're not alone.

The Solution

Let's break down what you need to do to pull all card elements into an array (or a collection) and adjust their z-index accordingly.

Step 1: Select the Elements

To start, you'll want to select your card elements. You can do this using the document.getElementsByTagName method or document.querySelectorAll. The first method grabs all <div> elements, which is suitable if your cards are wrapped in div tags.

Example HTML:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Create a Loop to Assign z-index

Once you have your card elements in a collection, you can easily loop through them and assign increasing z-index values. This approach will ensure the first card has the highest z-index and subsequent cards have lower values.

JavaScript Code Example:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Test Your Setup

Make sure to test your setup by adding multiple card elements to your HTML, like so:

[[See Video to Reveal this Text or Code Snippet]]

When you run the code, you’ll see that each div will have a unique z-index based on its order in the DOM.

Conclusion

Pulling all HTML class objects into an array for JavaScript manipulation can seem complex at first, but as demonstrated, it can be accomplished with just a few lines of code. By selecting your elements and using a simple loop, you can dynamically adjust their properties like z-index, providing a better experience for users interacting with your cards.

By following these steps, you'll not only solve the immediate problem but also empower yourself with a foundational skill essential for more advanced scripting in JavaScript. Happy coding!

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