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VARIABLES (rules (not (reserved, keywords), not (start, number), not…
VARIABLES
rules
not
reserved
keywords
meaningful
names
not
start
number
not
space
-
camel
notation
convention
case-sensitive
declaring
var
let
best
practise
let name, lastName;
best
each
line
only
once
storing
computer
memory
example
box
numbers
use
()
expressions
in
default
undefined