The only reason Object.observe is a standard is because the angular guys pushed it through. It's generally agreed to be a wart of the new spec [0]. [0] https:

The only reason Object.observe is a standard is because the angular guys pushed it through. It's generally agreed to be a wart of the new spec [0]. [0] https://twitter.com/floydophone/status/469214241732714497 https://twitter.com/floydophone/status/469214241732714497