Utilizing a filter within the ng-model directive

I have a question about using a filter with an h3 element. Here is the code snippet:

{{ event.date | date:'dd-MM-yyyy' }}

It's working perfectly fine and Angular is formatting the date as expected. However, when I try to use the same filter with an ng-model:

ng-model="event.date | date:'dd-MM-yyyy'"

This is not working and it's throwing an error:

Error: ngModel:nonassign
Non-Assignable Expression
Expression 'event.date' is non-assignable. Element: {1}

Can someone please explain why this is happening?

Thank you!

Answer №2

According to the provided information:

The ngModel directive connects an input, select, textarea (or a customized form control) with a property on the scope

https://docs.angularjs.org/api/ng/directive/ngModel

ng-model requires a variable for two-way data binding, but the output of filters cannot be assigned.

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