You are building a form where certain fields need to be shown or hidden based on the selection of a dropdown. How can you dynamically add or remove validations on these fields based on their visibility?
- Create separate forms for each combination of visible fields.
- Use ngClass to toggle validations dynamically.
- Use ngSwitch to toggle validations based on the dropdown value.
- Use the ngIf directive to conditionally add or remove validators.
To dynamically add or remove validations on fields based on their visibility in an Angular form, you should use the ngIf directive to conditionally add or remove validators. This approach allows for dynamic validation based on UI interactions.
Loading...
Related Quiz
- Which decorator is used to define a custom directive in Angular?
- What is the main difference between the combineLatest and withLatestFrom operators in RxJS?
- When you want an Observable to emit a sequence of values over time, you would use _____.
- The queryParamsHandling property of the _______ object allows you to specify how Angular should merge query parameters with the current query parameters.
- Why might you want to use async/await syntax in your Protractor tests?