/Javascript/AngularJS/Accept 2 values after decimal in angular forms

Accept 2 values after decimal in angular forms

import { Directive, ElementRef, HostListener } from '@angular/core';
@Directive({
  selector: '[appTwoDigitDecimaNumber]'
})
export class TwoDigitDecimaNumberDirective {
  private regex: RegExp = new RegExp(/^\d*\.?\d{0,2}$/g);
  private specialKeys: Array<string> = ['Backspace', 'Tab', 'End', 'Home', '-', 'ArrowLeft', 'ArrowRight', 'Del', 'Delete'];
  constructor(private el: ElementRef) {
  }
  @HostListener('keydown', ['$event'])
  onKeyDown(event: KeyboardEvent) {
    console.log(this.el.nativeElement.value);
    // Allow Backspace, tab, end, and home keys
    if (this.specialKeys.indexOf(event.key) !== -1) {
      return;
    }
    let current: string = this.el.nativeElement.value;
    const position = this.el.nativeElement.selectionStart;
    const next: string = [current.slice(0, position), event.key == 'Decimal' ? '.' : event.key, current.slice(position)].join('');
    if (next && !String(next).match(this.regex)) {
      event.preventDefault();
    }
  }
}

Source: stackoverflow.com

Accept 2 values after decimal in angular forms

<input type="textbox" [(ngModel)]="InputValue" appTwoDigitDecimaNumber>

Source: stackoverflow.com

Similar codes

0 vote371 views1 answer
How to import scss file in angular
Javascript AngularJS
0 vote345 views1 answer
Open new tab with angular router
Javascript AngularJS
2 votes341 views3 answers
Change route on button click angular
Javascript AngularJS
1 vote405 views1 answer
Nghide angular 10
Javascript AngularJS
0 vote351 views1 answer
Npm font awesome 5 angular 7
Javascript AngularJS
2 votes386 views2 answers
Angular generate component without spec
Javascript AngularJS
3 votes341 views3 answers
Angular email validation
Javascript AngularJS
0 vote342 views1 answer
Angular httpclient query params not working
Javascript AngularJS
1 vote367 views1 answer
How to clone a object in javascript angular
Javascript AngularJS
0 vote374 views1 answer
Cannot find name json angular 7
Javascript AngularJS