proto

The __proto__ property of objects partially exposes the prototype of an object.

Baseline Status: This feature is currently Limited and is missing in at least one major browser engine.

Desktop Browser Engine Support

Google Chrome

1

Supported

Mozilla Firefox

1

Supported

Apple Safari

3

Supported

Microsoft Edge

12

Supported

Mobile Browser Engine Support

Chrome Android

18

Firefox Android

4

Safari iOS

1

Specifications and References

MDN Browser Compat Data Keys: