Intro to the DOM
About
This module provides an introductory exploration of the Document Object Model (DOM) in web development. Suitable for those starting their journey in web development, it provides essential insights into how browsers render web pages and how developers can interact with and modify web page content dynamically. Learning about the DOM is vital as it forms the backbone of web page interactivity and front-end frameworks.
Content
| Lesson | Skills |
|---|---|
| Setup | Setting up the development environment. |
| Concepts | Understanding the Document Object Model (DOM). |
| Selecting an Element | Selecting elements using querySelector(). |
| Modifying an Element | Modify the textContent and style of DOM elements. |
| Creating an Element | Create and append an element in the DOM. |
| Working with Collections of Elements | Using querySelectorAll() and forEach() to iterate through DOM elements. |
| Element Attributes | Get, set, and remove attributes with JavaScript methods. |
The getElementById() Method |
Using getElementById() for efficient DOM element selection. |
The innerHTML Property |
Using innerHTML to manipulate HTML content inside DOM elements. |
| Placing Elements Precisely | DOM methods like after(), before(), and replaceChild(). |
NodeList |
Converting NodeLists to arrays using Array.from() and spread syntax. |
References
Internal
Prerequisites
- Foundational HTML
- Foundational CSS
- Foundational JavaScript
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