Member Avatar for Hani1991

Hello
Whats the use of var in classes?
is it a function to define variables?
I tried using a variable in class without write (var) before it and it works
what is it???

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  • Latest Post Latest Post by stbuchok
Member Avatar for stbuchok

If you use a variable without declaring it, it will by default be a global variable (this is bad). JavaScript has function scope for variables rather than block scope (like most other languages). Please, for your own sake, always declare your variables.

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