[JavaScript Learning] 27 questions at GAS Sky Castle. Two-dimensional arrays, return, and missing save data

Continuing my JavaScript learning and the conquest of GAS Sky Castle. October 18, 2026. Today I progressed from Q24 to Q50.

The morning when a single cell became a 'two-dimensional array' in the GAS Castle in the Sky

I left the DOM castle town of JavaScript and entered the GAS Castle in the Sky.What I did this time was read values from a ...