rmu/puzzlenode — comment on commit f4c688febf3ed9286611f26f96172f0f09968eea
File:  line 0
By gjp:

Nice! I love it when a whole page of code can be eliminated.

One question on the preview code. Doesn't inserting multiple divs with the same IDs into the DOM leave you with potentially undefined behavior when you select that ID? This works correctly on the puzzle admin page

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but I don't understand *why* it works.