Object.hasOwn()

The Object.hasOwn() static method checks whether an object has a given property. It's a more robust alternative to the Object.prototype.hasOwnProperty() method.

Baseline Status: Achieved Widely Available on Sep 14, 2024 (Cross-browser Newly Available since Mar 14, 2022).

Desktop Browser Engine Support

Google Chrome

93

Supported

Mozilla Firefox

92

Supported

Apple Safari

15.4

Supported

Microsoft Edge

93

Supported

Mobile Browser Engine Support

Chrome Android

93

Firefox Android

92

Safari iOS

15.4

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

javascript.builtins.Object.hasOwn ↗