1. Choose your directory 2. Put this command in the terminal npx create-react-app mynewproject !Caution : You can use only lower case letter when you create your project ex) myNewProject(x), mynewproject(O) 3. Now you can create new React Project! Happy Hacking! End

In here, we use Homebrew to upgrade & downgrade you node version 1. Check your node version and search your node lists brew search node node -v 2. Unlink your current node version brew unlink node + If(I don't have that version I want to use!) { brew install node@14 } You can use that command to install the version 3. Install new node version that you want brew link --overwrite --force node@19 +..

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Previous Series [TypeScript] TypeScript Grammar - 06~07 Previous Series [TypeScript] TypeScript Grammar - 03~05 3. Type alias This Posting contains how to alias type to other variables type myType = number | string; let grade: myType = 3 Use type to create type and use to annotate another. Usually, we use it wh time-map-installer.tistory.com 8. Class class Train { color : string; constructor(col..

Previous Series [TypeScript] TypeScript Grammar - 03~05 3. Type alias This Posting contains how to alias type to other variables type myType = number | string; let grade: myType = 3 Use type to create type and use to annotate another. Usually, we use it when we have to define two or more variables 3_01. Type al time-map-installer.tistory.com 6. Functions This Posting contains how to make functin..

Previous Series [TypeScript] TypeScript Grammar - 02 Previous Series [TypeScript] TypeScript Grammar - 01 1. Type Annotation TypeScript uses colon ( : ) behind variables to annotate a type const myMaxHamburger: number = 3; const answer: string = "Yes I can"; const drinks: boolean = true; You can code like va time-map-installer.tistory.com 3. Type alias This Posting contains how to alias type to ..