Скачать с ютуб Angular 6 Best Practices [3] - Async Validator - Unique email validation в хорошем качестве

Angular 6 Best Practices [3] - Async Validator - Unique email validation

Create async validator using AsyncValidator and AsyncValidatorFn interfaces to check existing email Use async validator with Reactive Forms and Template-driven Forms Implement async validator directive use with Template-driven Forms Implement async validator function use with Reactive Forms Angular Forms, Angular Form Validation, Angular Async Validator, Template-driven Forms, Reactive Forms, Angular FormControl, Angular FormGroup, Angular FormBuilder, RxJs 6 Prerequisite: Install Node.js and npm → https://nodejs.org Install Angular CLI globally → npm install -g @angular/cli Create new project: → ng new [name] → ng new [name] --directory (apply for Angular CLI version 6.0.2 or higher, --directory create a directory for project) IDE: Visual Studio Code → https://code.visualstudio.com Music: Vexento - Masked Heroes    • Vexento - Masked Heroes   Vexento - F17    • Vexento - F17   Vexento - Happiness    • Vexento - Happiness   Vexento - Never Letting Go    • Vexento - Never Letting Go