Growing Onions Inside the Pot

This time I tried to make one experiment on the onion plant, I did some process to get maximum result
I put the onion on a pot that is already filled with good soil, then I put a few days so that I can find out whether this onion plant will be able to grow

I do watering every day for this plant to grow, then this plant will I see the results of the experiment

after a few weeks I do the process on this plant was the result that I get very good, this onion plant grows as usual and has a thick leaf although planted in pots and this is the result