1064650 - for...let...in and for...let...of loops only work in console

Status: RESOLVED INVALID

(Firefox :: Untriaged, defect)

Description

[obrufau]

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:35.0) Gecko/20100101 Firefox/35.0
Build ID: 20140906030204

Steps to reproduce:

Run one of these loops in a webpage:

> for(let num of [1,2,3]){ console.log(num); }
> for(let num in [1,2,3]){ console.log(num); }


Actual results:

Both produce

> SyntaxError: missing ; after for-loop initializer


Expected results:

They should work, like they do in console.

Comment 1

[:Gijs (he/him)]

You need to declare the right JS version on your script tag.

http://jsbin.com/zereq/1/edit