How can I implement async validation in Angular forms?
An example of an AI chatbot conversation about async validation in Angular forms.
How can I implement async validation in Angular forms?
You can implement async validation in Angular by using the AsyncValidatorFn interface. This allows you to create custom validators that return an observable.
Can you show me a simple example of an async validator?
Sure! Here's a basic example: you can create a validator that checks if a username is available by making an HTTP request to your server.
What if I want to validate multiple fields asynchronously?
You can combine multiple async validators in your form control by passing an array of validators to the setAsyncValidators method.
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