Please enable JavaScript.

Coggle requires JavaScript to display documents.

Components (Component interaction (Content projection (<ng-content>…

- - - - Called whenever input properties change
      - Receives a SimpleChanges object with current and previous values
      - Changes to object properties aren't detected
    - - Called once after the first ngOnChanges()
      - Perform complex initialization logic after the initial local variables and input properties are set up
    - - Called after every change detection cycle
      - Detect and act on changes manually (e.g. object properties)
    - - Called once after the component view and projected content (content children) are initialized
    - - Called after checking the projected content (content children)
    - - Called once after the component view and child component views (view children) initialized
    - - Called after checking the component view and child component views (view children)
    - - Called just before destruction
      - Perform clean-up logic that must run before destruction
- - - - Use browser's native shadow DOM implementation
    - - Uses the global scope
    - - Emulates the shadow DOM by preprocessing
      - Extra attributes are added to shadow DOM host and content elements
  - - - styles
        
        CSS only
      - styleUrls
        
        Multiple files
        
        Allows preprocessors
      - styles and styleUrls Can be used in combination
    - - External stylesheets
      - Internal stylesheet
      - Inline styles
  - - - Pseudo-class selector for the host element of the component
      - Syntax
        
        :host {}
        
        :host (selector) {}
    - - Tests for a CSS selector in any ancestor of the host element
      - Syntax
        
        :host-context(selector) selector {}
- - - - Valid JavaScript identifier
    - - Boolean
  - - - Default
      - Only executed on pure changes
      - Uses pure functions
    - - Can be stateful
      - Executed in every change detection cycle
      - Uses pure or impure functions