/TypeScript/Based on previous make validation for required in reactive forms

Based on previous make validation for required in reactive forms

this.userCustomForm.get('age').valueChanges.subscribe(val => {
  if (condition) {
    this.userCustomForm.controls['licenseNo'].setValidators([Validators.required]);
  } else {
    this.userCustomForm.controls['licenseNo'].clearValidators();
  }
  this.userCustomForm.controls['licenseNo'].updateValueAndValidity();
});

Similar codes

0 vote292 views1 answer
Testing in different environments
TypeScript
0 vote296 views1 answer
PYTHON STACK FUNCTION count the valid number of brackets Returns the total number of valid brackets in the string
TypeScript
0 vote322 views1 answer
OpenCV(4.5.3) C:\Users\runneradmin\AppData\Local\Temp\pip-req-build-q3d_8t8e\opencv\modules\imgproc\src\shapedescr.cpp:315: error: (-215:Assertion failed) npoints >= 0 && (depth == CV_32F || depth == CV_32S) in function 'cv::contourArea'
TypeScript
0 vote313 views1 answer
Get all the ids in an array of objects ts
TypeScript
38 votes353 views10 answers
Calculator
TypeScript
0 vote263 views1 answer
Lists - Learn C#
TypeScript
0 vote291 views1 answer
How to get the corners of 2 points on a matrix
TypeScript
0 vote314 views2 answers
Check if breckets clossing properly
TypeScript
1 vote304 views1 answer
Custom decorator in loopback4
TypeScript
0 vote318 views1 answer
Convert string to bits c#
TypeScript