add check totoggleMainNav so returns if no nav

Author Chris Pollett <chris@pollett.org>
Author date 2023-01-27 02:Jan:th
Author local date 2023-01-26 18:Jan:th -0800
Committer Chris Pollett <chris@pollett.org>
Committer date 2023-01-27 02:Jan:th
Committer local date 2023-01-26 18:Jan:th -0800
Commit 9ec5ce8234ed4fc84b225582fbfc88d5248126db
Tree 6e68032b383dffa37b722216a25ac9ec8ad00cd3
Parent 9700c88ec3caf8177c66add18bb103c92b99c02f
add check totoggleMainNav so returns if no nav
Affected files:
js/game.js
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