am 034a1089: am 4d3aa886: am ec4194ef: am 64b879ac: docs: fix js error when there\'s no api level cookie saved.

Merge commit '034a10891facd6e334be71b515e1d65c281f4278'

* commit '034a10891facd6e334be71b515e1d65c281f4278':
  docs: fix js error when there's no api level cookie saved.