Custom validator validating multiple controls

In other words, that’s the handler function we want to call whenever registers a callback that is excuted whenever a form control is “touched”. when an input element blurs, it fire the touch event.

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There are many things that Angular helps us out with when creating forms.

The idea is to have a component that lets us increment and decrement a model value.

And yes, if we think about the things to consider, we probably realise that an would do the trick.

Here’s the syntax for the Todd is the Founder of Ultimate Courses.