TypeScript freeCodeCamp

• What programming language is TypeScript based on?

  JavaScript
• What is the current trend regarding JavaScript?

  It is widely used and debated
• What do many people claim after starting TypeScript?

  They don't want to return to JavaScript
• What is TypeScript often referred to as?

  A superset of JavaScript
• What does TypeScript allow you to do with JavaScript code?

  Write it in a more precise manner
• What is a key benefit of using TypeScript?

  It catches errors while writing code
• What happens to TypeScript code when compiled?

  It is converted into JavaScript
• What is the main focus of TypeScript?

  Type safety
• What does TypeScript prevent in JavaScript?

  Odd behavior due to type mismatches
• What is static checking in TypeScript?

  Analyzing code for potential errors
• How does TypeScript help during coding?

  By providing hints for potential errors
• What is the relationship between TypeScript and JavaScript?

  TypeScript is a development tool for JavaScript
• What file extension is used for TypeScript files?

  .ts
• What is the purpose of the .tsx file extension?

  It combines TypeScript with JSX syntax
• What does transpiling mean in the context of TypeScript?

  Converting TypeScript code into JavaScript
• What is a common misconception about TypeScript?

  That it reduces the amount of code written
• What does TypeScript help to produce in code?

  More scalable and maintainable code
• What is the main job of TypeScript?

  To analyze code for potential errors
• What is the TypeScript lang.org used for?

  To run TypeScript and see JavaScript output
• What does TypeScript allow you to do with objects?

  Define properties and types for them
• What happens if you try to access a property that doesn't exist in TypeScript?

  You receive a squiggly line error
• What does the right-hand side produce in the example?

  JavaScript code
• What is the purpose of the console.log in the example?

  To print a message to the console
• What error does TypeScript provide when accessing a non-existent property?

  Property doesn't exist error
• What is the result of adding two numbers in TypeScript?

  It produces the same result as JavaScript
• How is TypeScript described in the video?

  As a development tool dependent on JavaScript
• What are the two different installations of TypeScript mentioned?

  Global system installation and project installation
• What is required for using TypeScript in a project?

  An additional TypeScript config file
• What command is used to install TypeScript globally?

  NPM install TypeScript -g
• What should you check to ensure Node is installed?

  Run node -v command
• What does Node provide that is useful for TypeScript?

  A utility called NPM
• What is the purpose of the TSC command?

  To execute TypeScript files
• What does the TSC command followed by -v do?

  Displays the version of TypeScript
• What file extension should TypeScript files have?

  .ts
• What happens when you compile a TypeScript file?

  A JavaScript file is generated
• What does TypeScript help prevent when coding?

  Common coding errors in JavaScript
• What is the purpose of the playground on the TypeScript website?

  To experiment with TypeScript code
• What is the TS config file used for?

  To configure TypeScript settings in projects
• Why is TypeScript considered a wrapper around JavaScript?

  It enhances JavaScript with type safety features
• Why is GitBash recommended for Windows users?

  It provides Linux-friendly commands