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Function

Global
Function < Object
examples
sum = (a, b) => { a + b } sum(1, 2)
sum = (a, b = 2) => { a + b } sum(1)
sum = (a = 1, b = 2) => { a + b } sum()
sum = (a, b: 2) => { a + b } sum(1)
sum = (a: 1, b: 2) => { a + b } sum()
(a, b) => { a + b }.call(1, 2)
(a, b = 2) => { a + b }.call(1)
(a = 1, b = 2) => { a + b }.call
(a, b: 2) => { a + b }.call(1)
(a: 1, b: 2) => { a + b }.call
instance functions