/Javascript/AngularJS/Angular add debounce time before putting valu in subject next

Angular add debounce time before putting valu in subject next

import {Component}   from '@angular/core';
import {FormControl} from '@angular/forms';
import {Observable}  from 'rxjs/Observable';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/throttleTime';
import 'rxjs/add/observable/fromEvent';

@Component({
  selector: 'my-app',
  template: `<input type=text [value]="firstName" [formControl]="firstNameControl">
    <br>{{firstName}}`
})
export class AppComponent {
  firstName        = 'Name';
  firstNameControl = new FormControl();
  formCtrlSub: Subscription;
  resizeSub:   Subscription;
  ngOnInit() {
    // debounce keystroke events
    this.formCtrlSub = this.firstNameControl.valueChanges
      .debounceTime(1000)
      .subscribe(newValue => this.firstName = newValue);
    // throttle resize events
    this.resizeSub = Observable.fromEvent(window, 'resize')
      .throttleTime(200)
      .subscribe(e => {
        console.log('resize event', e);
        this.firstName += '*';  // change something to show it worked
      });
  }
  ngDoCheck() { console.log('change detection'); }
  ngOnDestroy() {
    this.formCtrlSub.unsubscribe();
    this.resizeSub  .unsubscribe();
  }
}

Source: stackoverflow.com

Similar codes

0 vote327 views1 answer
Bootstrap dropdown not working in angular 8
Javascript AngularJS
30 votes423 views5 answers
Angular bootstrap
Javascript AngularJS
38 votes438 views6 answers
How to add bootstrap in angular
Javascript AngularJS
0 vote303 views1 answer
Navigate to route and refresh angular 6
Javascript AngularJS
6 votes376 views1 answer
Get value onChange from mat-select angular
Javascript AngularJS
0 vote340 views1 answer
Angular patchValue dynamically
Javascript AngularJS
0 vote357 views1 answer
Convert file to blob in angular
Javascript AngularJS
0 vote380 views3 answers
Order by ascending descending in angular 6 on click of button
Javascript AngularJS
0 vote313 views1 answer
Not Found The requested URL was not found on this server angular routing when going back to site from ecternal source
Javascript AngularJS
1 vote361 views4 answers
Angular 8 features
Javascript AngularJS