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Coding Exercises

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JavaScript

2/3

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BeginnerVariables

3 / 10

Console Output

Fill in the blank to log the greeting variable

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const greeting = "Hello";

const name = "World";

console.log(???);

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JavaScript

335 exercises

The language of the web. Build interactive websites and applications.

Python

407 exercises

Versatile and beginner-friendly. Great for AI, data science, and automation.

TypeScript

101 exercises

JavaScript with types. Build scalable and maintainable applications.

Java

100 exercises

Enterprise-grade language. Power Android apps and backend systems.

C#

33 exercises

Microsoft's powerful language. Build games, desktop apps, and web services.

Go

38 exercises

Simple and efficient. Build fast, reliable backend services.

Rust

25 exercises

Safe and blazingly fast. Build systems and performance-critical applications.

SQL

110 exercises

The standard language for relational database management systems.

HTML & CSS

12 exercises

The foundation of the web. Structure content and style beautiful interfaces.

React

20 exercises

The most popular frontend library. Build component-based user interfaces with ease.

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Data Structures & Algorithms

Master computer science fundamentals. Sorting, searching, trees, graphs, and Big-O analysis.

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lesson.js

1function greet(name) {

2 return "Hello, " + ???;

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Console Output

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JavaScript

Python

TypeScript

Java

C#

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Rust

SQL

HTML & CSS

React

Beyond languages

Data Structures & Algorithms

Career & Interview Prep

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Developer Blog

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