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Referencing item that doesn't exist on Typed Array causes an error #1351

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gfwilliams opened this issue Feb 26, 2018 · 0 comments

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gfwilliams commented Feb 26, 2018

here: http://forum.espruino.com/conversations/317418

>const arr= new Uint32Array([1,2,3,4]);
=new Uint32Array([1, 2, 3, 4])
>typeof arr.xyz
Uncaught Error: Field or method "xyz" does not already exist, and can't create it on Uint32Array
 at line 1 col 11
typeof arr.xyz
          ^

This should only happen when there's an attempt to write to it.

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gfwilliams closed this as completed in

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