Code is read 10x more than it's written. Optimize for readability.
Naming
Variables: userEmail not ue. Functions: calculateTotalPrice() not calc(). Booleans: isActive, hasPermission, canEdit.
Functions
Do one thing. Be short (under 20 lines). Have descriptive names. Avoid side effects. Return early instead of deep nesting.
Comments
Don't comment WHAT (the code shows that). Comment WHY (the code can't show intent). Best comment: none needed because the code is self-explanatory.
Use our code assistant to refactor messy code into clean, readable versions.