Jest

Javascript, HTML, CSS

• In TypeScript, : any is a type annotation that allows an object to hold any type of value.
• ChatGPT breakdown on how TS objects work:
• .map() function
• In TypeScript (and JavaScript), const is used to declare a variable, but with the added restriction that the variable's value cannot be reassigned after it has been initially assigned.
• importing files into other files
• generator functions
• why you need ./ when importing relative to current file’s locations
• To run each file independently,
• deeper dive into running files
• Jest and differences between TS and JS (dynamically typed vs statically typed languages)
• can write npm scripts in the package.json file that then can be used to run stuff more easily. e.g. can do this:
• compiling and running stuff using scripts in package.json: tsc —watch
• how to run specific functions inside a file when scripts are set up like this
• renaming syntax & “destructuring assignment”:
• the difference between ‘’ and `` in typescript
• let vs const to declare variables