CodeStar[1404]-FE-Phase06-Team[03]

[yeganehK]

• Learning

  • What is a package manager? Can you provide two examples of package managers? `

  • There are a series of packages that help us install, update, or remove packages (libraries) more easily, or manage dependencies automatically, and these packages help us avoid the need to download files manually.
    npm is a package manager for js and node.js
    and with its help you can install libraries like React or Express
    pip is a package manager for python and with it you can install libraries like Numpy or Django `

  • What is Angular CLI? `

  • CLI stands for Command-Line Interface.
    It’s a way to interact with your computer or tools by typing commands (in Terminal, Command Prompt, or PowerShell), instead of using buttons or menus.`

  • Which lifecycle method is called first? `

  • ngOnChanges

  • this is the first method that is called whenever the component inputs change.`

  • Which lifecycle method is called last? `

  • ngOnDestroy

  • this method is called before the component is removed from the DOM`

  • Which lifecycle method is called when some change happen? ngOnChange

  • Consider that we want to initialize a property and display it in the HTML template. Which lifecycle method should we use? ngOnInit

  • When we want to use services with injection in the root, what design pattern do we use?

      @Injectable({
           providedIn: 'root',
       })

    singleton

  • Can you explain some built-in pipes in Angular? LowerCase,UpperCase,Date

  • What kind of binding do we use when we want to change and update a property that is passed to a child component, or vice versa? Two way binding

• Project

  • Complete the book collection manager project mentioned in the Angular documentation.
  • phase-6 Summer1404-FE-Team03#2