/Javascript/AngularJS/Dynamic set required in angular using formcontrol

Dynamic set required in angular using formcontrol

onAddValidationClick(){
    this.formGroup.controls["firstName"].setValidators(Validators.required);
    this.formGroup.controls["firstName"].updateValueAndValidity();
}

onRemoveValidationClick(){
    this.formGroup.controls["firstName"].clearValidators();
    this.formGroup.controls["firstName"].updateValueAndValidity();
}

Source: stackoverflow.com

Similar codes

0 vote338 views2 answers
How to create a new angular project in visual studio code
Javascript AngularJS
0 vote366 views1 answer
Angular dinamic disabled
Javascript AngularJS
0 vote350 views1 answer
Angular detect chromebook
Javascript AngularJS
0 vote352 views1 answer
How to add dropdown with filter in angular material
Javascript AngularJS
0 vote311 views1 answer
Ngif is string angular
Javascript AngularJS
2 votes466 views4 answers
How to run resize event only on client side angular
Javascript AngularJS
0 vote360 views1 answer
Error: node_modules/@angular/fire/database/interfaces.d.ts:2:10
Javascript AngularJS
5 votes349 views1 answer
Angular input press enter
Javascript AngularJS
0 vote328 views1 answer
Material icon button angular
Javascript AngularJS
0 vote335 views2 answers
How to remove text style on td in angularjs
Javascript AngularJS