Good coding practices
Use good names
Do you have children.
Two boys and one girl. You do not call them b1, b2 ang g1, are you not ?
So why do you call your variables like that?
Bad examples:
- x1
- y2
- d3
Good:
- currentLimit
- maxCount
- userName
Use simular names!

Use JSON property
Bad code:

Good code:

Use functions!
Do not repeat youself!
Bad code:

Good code:
