Use 'var' to enable this to work on iOS #4
Merged
+4
−4
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Fixes #2 and #3
Found it by enclosing the entire thing in a try/catch and displaying any caught errors to screen. Saw an error about the 'let-ted' variable. Also found https://anki.tenderapp.com/discussions/ankimobile/10904-javascript-change-in-latest-ios-version-avoid-let which seems relevant.