The form reset cannot reset the model value after Angular bidirectional binding

the form data is first brushed to the input value of the foreground through two-way binding in the background, and then the foreground input of the form reset, is displayed as empty, but the background input is still the same. How to make the model value clear at the same time-sharp-sharp-sharp problem description

<input type="text" ng-model="bill.name" required>
<button type="reset"></button>
On the

page, there is not only one input, but also textarea, that clears all input and textarea content while also emptying model binding values

Sep.17,2021

execute bill = {}

when resetting
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