Add non-working solution 12. I simply didn't figure out how to resolve it. Will check out the official solution.
lzhou7-T530-Win7|MINGW32-Git
Add my modified solution based on official one, which works.
lzhou7-T530-Win7|MINGW32-Git
Add whatever I did, and will check out the solution again...
lzhou7-T530-Win7|MINGW32-Git
Add the official solution. Got the idea. Will do better next time.
lzhou7-T530-Win7|MINGW32-Git
Add official solution 14. It looks interesting.
lzhou7-T530-Win7|MINGW32-Git
Add solution 15. I think the official solution has a bug - If the load operation takes some time to finish, when the callback is called, the index will be equals to the last index, that is a classic issue in javascript async programming.
lzhou7-T530-Win7|MINGW32-Git