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並前往https://thinkster.io/tutorials/intro-to-reactive-forms-in-angular-make-forms-dynamic/demo-formarray-with-formcontrols-in-the-template

Demo: FormArray with FormControls in the Template - Thinkster

Then, on the same line we'll iterate through the FormArray, adding: *ngFor="let p of phoneNumbers.controls; let i=index". Lastly, on line 14, we'll bind the ...

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