the \ operator shows that the following character has a special meaning

% is the remainder operator

shortcuts for modifying counter variables

tenary/conditional operator switches between two values depending on boolean

test if something is equal vs preciesly equal (w/o type conversion)

as single var statement may define multiple variables
the definitions must be separated by commas.

A function definition is just a regular variable definition
where the value given to the variable happens to be a function

functions can use global and local variables
local variables are declared with var & global without

function variables can be assigned to new values/functions.
just like a regular varible:

the function keyword can also be used at the start of a statement:

function declarations are not part of the top-to-bottom flow of control:

the function call ends with the encounter of the first return command!