Master JavaScript with English

Learn JavaScript programming while improving your English skills. Interactive lessons designed for ESL learners from beginner to advanced level.

40+ Interactive Projects

300+ Code Examples

800+ JS Vocabulary Terms

Your JavaScript Journey

JavaScript Basics

Beginner

Start with variables, data types, and basic operations. Learn programming fundamentals with clear English explanations.

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Control Flow

Beginner

Master if statements, loops, and functions. Learn to make decisions and repeat actions in your programs.

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Objects & Arrays

Intermediate

Work with complex data structures. Store and organize information using objects and arrays.

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DOM Manipulation

Intermediate

Make websites interactive! Learn to change HTML elements and respond to user clicks and inputs.

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Async JavaScript

Advanced

Handle timing and network requests. Learn promises, async/await, and fetch data from APIs.

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Modern JavaScript

Advanced

Explore ES6+ features, modules, and modern development practices for professional JavaScript coding.

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Essential JavaScript Vocabulary

Master these important JavaScript terms to boost your programming vocabulary and coding confidence.

Variable

A container that stores data values like numbers, text, or true/false

let age = 25;
const name = "John";

Function

A block of code that performs a specific task and can be used multiple times

function greet() {
console.log("Hello!");
}

Array

A list that stores multiple values in a single variable

let fruits = ["apple", "banana", "orange"];

Object

A collection of related data and functions grouped together

let person = {
name: "Alice",
age: 30
};

Loop

Code that repeats the same actions multiple times

for (let i = 0; i < 5; i++) {
console.log(i);
}

Event

Something that happens in the browser, like a click or keyboard press

button.addEventListener('click', function() {
alert("Clicked!");
});

JavaScript Playground

Write and run JavaScript code in real-time. Experiment and see results instantly!

// Welcome to JavaScript! let name = "Student"; let age = 20; console.log("Hello, " + name); console.log("You are " + age + " years old"); // Try changing the values above!

// Functions make code reusable function calculateAge(birthYear) { let currentYear = 2025; return currentYear - birthYear; } let myAge = calculateAge(1995); console.log("I am " + myAge + " years old"); // Try different birth years!

// Making web pages interactive document.getElementById("demo-button").addEventListener("click", function() { document.getElementById("demo-text").innerHTML = "Button was clicked!"; console.log("Button clicked successfully!"); }); // Click the button below to see the magic!

Console Output:

Click "Run Code" to see the output!

Waiting for button click...

Track Your Progress

Monitor your JavaScript learning journey and celebrate your achievements!

85%

JavaScript Basics

Variables, data types, operators

70%

Functions & Scope

Function declarations, parameters, scope

45%

DOM Manipulation

Element selection, event handling

25%

Async Programming

Promises, async/await, fetch API

Practice Projects

Apply your JavaScript knowledge with these hands-on projects designed for ESL learners.

Simple Calculator

Beginner

Build a calculator that adds, subtracts, multiplies, and divides numbers.

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To-Do List App

Intermediate

Create a task manager where users can add, complete, and delete tasks.

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Number Guessing Game

Beginner

Make a fun game where players guess a random number between 1 and 100.

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Digital Clock

Intermediate

Display current time and date with real-time updates using JavaScript.

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Weather App

Advanced

Fetch weather data from an API and display it in a beautiful interface.

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Memory Card Game

Advanced

Create a matching card game that tests memory and uses animations.

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