/Javascript/AngularJS/Add fraction in angular

Add fraction in angular

@Directive({
   selector: '[exampleDirective]'
})
export class TestDirective {

   constructor() {}

   @HostListener('input', ['$event'])
   ngOnChanges(evt: any) {
      const pattern: RegExp = new RegExp(/^[0-9]+\.?[0-9]*$/);
      if (!pattern.test(evt.target.value)) {
         evt.srcElement.value = evt.srcElement.value.substring(0, evt.srcElement.value.length - 1); // this will erase the last char that does not match the pattern...
      }
   }
}

Source: pretagteam.com

Similar codes

1 vote294 views1 answer
Angular contains both .browserslistrc and browserslist
Javascript AngularJS
0 vote266 views1 answer
Angularjs component stackoverflow
Javascript AngularJS
0 vote259 views2 answers
Angular 8 remove cookies
Javascript AngularJS
0 vote255 views1 answer
Angular model optional parameter null
Javascript AngularJS
0 vote262 views1 answer
Angular ng class with animation
Javascript AngularJS
1 vote301 views1 answer
Two way bind angular divide
Javascript AngularJS
4 votes273 views1 answer
Downgrade angular version in project
Javascript AngularJS
0 vote251 views1 answer
Angular cli spec test false
Javascript AngularJS
4 votes313 views1 answer
String to date angular
Javascript AngularJS
0 vote227 views1 answer
Mat chips with input
Javascript AngularJS