JavaScript Course Checklist

Created by Cheli

Step-by-step checklist to guide learners through a practical JavaScript course from setup to project building and interview readiness.

24 Items

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Published May 14, 2026

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Checklist Items (24)

Set up development environment

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Install Node.js (LTS version)

Download the latest LTS release from the official site to get Node and npm.

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Choose and install a code editor (VS Code)

VS Code offers rich JavaScript support, extensions, and integrated terminal.

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Set up Git for version control

Install Git, configure user name and email, and initialize a repo for your projects.

Learn JavaScript fundamentals

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Understand variables and data types

Learn var, let, const; primitive types (string, number, boolean, null, undefined, symbol) and objects.

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Master operators and expressions

Study arithmetic, comparison, logical, bitwise, and assignment operators.

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Control flow: conditionals and loops

Use if/else, switch, for, while, do...while, and learn break/continue.

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Write and use functions

Explore function declarations, expressions, parameters, return values, and IIFE.

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Scope, closures, and error handling

Understand lexical scope, closure patterns, try/catch, and throwing custom errors.

Work with DOM manipulation

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Select elements using querySelector and getElementById

Learn the most efficient ways to retrieve DOM nodes for manipulation.

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Modify content, attributes, and styles

Change textContent, innerHTML, set attributes, and manipulate CSS classes.

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Handle events efficiently

Add event listeners, use event objects, and prevent default behavior.

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Create, insert, and remove nodes

Use createElement, appendChild, insertBefore, and removeChild to build dynamic UIs.

Explore ES6+ features

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Use let and const for block-scoped variables

Replace var with let/const to avoid hoisting issues and unintended reassignments.

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Write concise arrow functions

Learn syntax, lexical this binding, and when to use arrow functions.

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Leverage template literals

Embed expressions and create multi-line strings with backticks.

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Destructure arrays and objects

Extract values into distinct variables with clean syntax.

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Work with modules (import/export)

Organize code into reusable modules using ES6 module syntax.

Build small projects

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Create a todo list app

Practice DOM manipulation, event handling, and localStorage persistence.

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Build an interactive quiz

Use arrays of questions, track score, and provide feedback.

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Develop a weather widget using a public API

Fetch data from OpenWeatherMap, display current conditions, and handle errors.

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Make a simple game (e.g., Rock Paper Scissors)

Implement game logic, user input, and visual updates.

Prepare for advanced topics / interview

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Understand Promises and async/await

Handle asynchronous operations cleanly and avoid callback hell.

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Learn the Fetch API and AJAX basics

Make HTTP requests, handle JSON responses, and manage errors.

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Review common JavaScript interview questions

Practice concepts like hoisting, closures, this, prototypes, and event loop.

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