The calculator buttons on ecalc.com appear to have stopped working since the 2012-03-10 Nightly build. Since this was before the migration, I'm assuming the current Aurora builds are affected as well.
Windows 7 64-bit with 32-bit builds
Error: let is a reserved identifier
Source file: http://www.ecalc.com/js/members/tracking2.js
Line: 1, Column: 20244
6d139ebc0f43 Adam — Make "let" a reserved word for Web scripts. Bug 730139, r=jorendorff.
The script has a variable named "let" (undeclared variable at that) that it uses for letters...
The site is also broken in a Safari nightly (but not in shipping Safari), as expected.
That experiment didn't take long.... :(
Requesting tracking for this, since we'll have to decide whether to leave the patch in when 13 ships or not.
So was this backed out already?
The backout changeset seems to be everywhere, so I think we're good: