1. audioparammap api: [symbol.iterator]

2. cssfontfeaturevaluesmap api: @@iterator

3. keyboardlayoutmap api: [symbol.iterator]

4. mediakeystatusmap api: [symbol.iterator]

5. midiinputmap api: [symbol.iterator]

6. midioutputmap api: [symbol.iterator]

7. stylepropertymapreadonly api: [symbol.iterator]

8. javascript built-in: iterator: flatmap

9. javascript built-in: iterator: map

10. javascript built-in: map: [symbol.iterator]

11. javascript function: arguments: [symbol.iterator]