Master modern JavaScript with comprehensive guides, examples, and best practices.

Learn TypeScript fundamentals, advanced typing patterns, and real-world workflows.

Challenge yourself with closures,prototypes,and asynchronous behavior.

Review your knowledge of new features like arrow functions,destructuring,and modules.

Understand how promises,async/await,and the event loop work.

Evaluate your knowledge of key frontend frameworks built on JavaScript and TypeScript.

Assess how well you understand map,filter,reduce,and immutability.

Review your understanding of common design patterns used in JS/TS.

Assess how well you can interact with and modify the Document Object Model.

Explore exceptions,try-catch blocks,and debugging best practices.

Test your grasp of variables,data types,and basic syntax in JavaScript.

Learn about preventing XSS,CSRF,and handling sensitive data in JS/TS.

Check your understanding of Node.js modules,event-driven programming,and file systems.

Review your understanding of npm,yarn,and dependency management.

Assess techniques to improve JS app speed and efficiency.

Test your understanding of typing components,props,and hooks in React.

Quiz yourself on Jest,Mocha,and other JavaScript testing frameworks.

Explore generics,decorators,utility types,and advanced type manipulation.

Check your understanding of TypeScript types,interfaces,and basic configurations.

Understand tsconfig,build tools,and compiler options.

Check your ability to use Fetch,Axios,and RESTful APIs with JavaScript.