Web APIs

HTML DOM API

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Access and manipulate HTML documents. The HTML DOM API provides interfaces for working with HTML elements, attributes, and document structure.

Query Selectors

Find elements on your page using CSS-style selectors. This powerful approach lets you select elements by their tag name, ID, class, or position in the document, making it easy to target exactly what you need to modify.

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Create Elements

Add new HTML elements to your page with JavaScript. This lets you build content dynamically based on user actions or data, without having to reload the page.

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Modify Attributes

Change element properties like IDs, classes, and custom data attributes. This gives you control over how elements behave and appear, letting you update their characteristics in response to user interactions.

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DOM Traversal

Navigate through your document's structure using parent-child relationships. This helps you find related elements without needing to use selectors, making it easy to work with nearby content.

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Document Fragments

Prepare multiple elements off-screen before adding them to your page. This improves performance by reducing page reflows and repaints, making complex DOM updates much faster.

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Mutation Observer

Watch for changes to elements and their children. This lets your code respond automatically when the DOM changes, without needing to add event listeners for every possible interaction.

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Range API

Work with specific portions of content, even across element boundaries. This gives you precise control for tasks like text selection, content extraction, and targeted insertions or deletions.

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Style Manipulation

Change how elements look by modifying their CSS styles with JavaScript. This enables dynamic visual effects, animations, and responsive design adjustments based on user interactions.

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