929146 - Properties set on typed arrays are ignored

Status: RESOLVED DUPLICATE of bug 695438

(Core :: JavaScript Engine, defect)

Description

[Irakli Gozalishvili [:irakli] [:gozala] [@gozala]]

Example:

var array = new Uint8Array(0)
array.myProp = {}
array.myProp // => undefined


In chrome last line returns object instead

Comment 1

[Jason Orendorff [:jorendorff]]

I think the consensus on TC39 is that expando properties should be allowed on typed arrays.

Comment 2

[Jeff Walden [:Waldo]]

I think bhackett fixed this in some bug, but I don't know if it was an absolute total complete fix or only most-of-a-fix.  Leaving to him to resolve accordingly.