Answers for "angular onchange event"

3

angular input onchange

<input (change)="saverange()"/>
Posted by: Guest on March-24-2021
3

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;
  }
}
Posted by: Guest on May-04-2020
0

angular onChange onChanges SimpleChanges

export class MyClassName implements OnInit,OnChanges {
 @Input() documents: Document[] = [];
.....
ngOnChanges(changes: SimpleChanges){
    console.log("changes ", changes)
    if(changes.documents){
      console.log("changes2 ", changes)
    }
  }
Posted by: Guest on September-14-2021
0

javascript ng-change get previous value

//user.id passed to updateValue will be old value
<select ng-change="updateValue('{{user.id}}')" 
        ng-model="user.id" ng-options="user.id as user.name for user in users">
</select>
Posted by: Guest on June-20-2019

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