I should've known better than to pick at it... do we let these glitches go, or start verifying `JSON.parse` like we do with [`trim`](https://github.com/jquery/jquery/blob/90d9c4632c1f05f32ead98b46796bed9635e40fb/src/core.js#L369)?

Note that the latter will mean updating 2.x as well, because IE. :rage: