Mike S. questions

Mike S. answers

• Why fixture.detectChanges() is required for a unit test [Jasmine/Karma]
• What is the scope of the template reference variable in Angular?
• Typescript generics: types 'T' and 'number' have no overlap error
• Angular 9: formData.append('key', null) actually appends 'null' string
• error TS2794: Expected 1 arguments, but got 0. Did you forget to include 'void' in your type argument to 'Promise'?