he/him 
@BrendanEich @rwaldron intrinsically I get what's going on here—but what's the technical reason why the answer is 3?https://twitter.com/rem/status/755796353498935296 …
object destructuring assignment returns the completion of it's right hand side, same as normal assignment.
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just FYI: i explained this exact thin in a bit more detail here: https://github.com/getify/You-Dont-Know-JS/blob/master/es6%20&%20beyond/ch2.md#destructuring-assignment-expressions …
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—and I've no idea what I'm reading! (not because it's bad text, but because my brain ain't engaged and I'm jumping out of context!)
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right, assignment expression evaluates to RHS result; simpler testcases involve const and setter LHS.
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like 'const k = 42; console.log(k = 99)' logs 99 but ofc k is still 42 in non-strict mode code.
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and here's why *that* is useful: http://jsbin.com/mupujojeji/1/edit?js …
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