ngchange angular 8
import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `
<input type="number" [ngModel]="percent" (ngModelChange)="onPercentChange($event)" />
`,
styleUrls: [ './app.component.css' ]
})
export class AppComponent {
percent = 20;
onPercentChange(percent: number) {
console.log('here');
this.percent = percent;
}
}command to create custom pipe in angular 6
ng generate pipe personNameangular pipes
//component.ts file:
import {Pipe, PipeTransform} from '@angular/core';
@Pipe ({
name : 'sqrt'
})
export class SqrtPipe implements PipeTransform {
transform(val : number) : number {
return Math.sqrt(val);
}
}
//import SqrtPipe inside your module.ts ,
import { SqrtPipe } from './app.sqrt';
declarations: [
SqrtPipe,
],
//then you can use this pipe in component.html file.
// <h2>Square root of 625 is: {{625 | sqrt}}</h2>Copyright © 2021 Codeinu
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