/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 vote107 views2 answers
Same file select angular second time not selected
Javascript AngularJS
0 vote136 views1 answer
Angular sumar labels
Javascript AngularJS
1 vote118 views1 answer
Angular one array contains any of second
Javascript AngularJS
19 votes102 views6 answers
Generate component in angular
Javascript AngularJS
5 votes111 views3 answers
How to run angular
Javascript AngularJS
5 votes104 views1 answer
Access angular app outside localhost
Javascript AngularJS
10 votes115 views3 answers
Angular create service command line
Javascript AngularJS
0 vote106 views1 answer
Jwtdecode has no call signatures angular
Javascript AngularJS
0 vote106 views1 answer
Angular http async false
Javascript AngularJS
12 votes99 views2 answers
Angular string contains
Javascript AngularJS