Month 7 · Week 27 of 40

JavaScript DOM Manipulation & Events

Add dynamic interactivity to your websites.

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Week Overview

Learn how JavaScript connects to web pages through the Document Object Model (DOM). Select elements, listen for user clicks and form submits, mutate styles, and persist state in browser localStorage.

Core Concepts & Topics

DOM Selection (querySelector, querySelectorAll)

Creating, Appending & Removing DOM Nodes

Event Listeners & Event Delegation

Form Validation & Event Prevention (e.preventDefault)

Client-side Persistence with localStorage

Hands-On Challenge

Week 27 Project: Interactive Todo Application with category filters, search, and localStorage persistence.

Every week at DoxaTech Hub requires submitting real working code tested by our automated grading suite. You will push code to your personal GitHub repository, open pull requests, and receive instant feedback.

Frequently Asked Questions

What is event delegation in JavaScript?

Event delegation attaches a single event listener to a parent element, leveraging event bubbling to handle clicks on multiple current and future child elements efficiently.

Week 26: Responsive Layouts (Flexbox & CSS Grid)

Week 28: Interactive Task Manager Capstone

Interactive Learning