What could be the reason why the label is not being displayed on my mat-form-field?

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There could be various reasons why the label is not being displayed on your mat-form-field. Some possible reasons are:

1. Make sure that you have properly defined the label attribute on your mat-form-field element. For example: <mat-form-field appearance="fill"> <mat-label>First Name</mat-label> <input matInput name="firstName"> </mat-form-field>

2. Check the styling of the label and the input elements. It is possible that the label is being overlapped by the input element due to CSS positioning.

3. Make sure that the font size and color of the label is easily visible on the background color of your form field.

4. Check if there are any errors or warnings in the browser console related to the mat-form-field or its label.

5. Try clearing the cache and refreshing the page to see if the label appears.

6. If using Angular Material, make sure that you have imported the necessary modules in your app.module.ts file. For example:

import { MatFormFieldModule } from '@angular/material/form-field';
import { MatInputModule } from '@angular/material/input';

@NgModule({
  imports: [
    MatFormFieldModule,
    MatInputModule
  ]
})