Arraysand Functions

ARRAY

[]

Array vs List

new Array() vs []

var arr_var = []

array_var[0]

array_var.length

push (el)&

unshift (el)&

shift (el)&

pop (el)

slice (i, count, els)&

splice (i, count, els)&

join(separator)&

reverse()

FUNCTION

function fnc_name() {// function body

}

var fnc_var = function() {// function body

}

Declare Call

Declare Call

Recursion

Declare Call

Recursion

Parameters Arguments

function fnc_name( par1, .. , parN ) {// function body

}

Parameters

function fnc_name( par1, .. , parN ) {

}

Parameters

arguments

Declare Call

Side Efect

return

function fnc_name( par1, .. , parN ) {

return “Some result”;}

side efects

Declare Call

SCOPE

function fnc_name( par1, .. , parN ) {var inner_var = 5;

}

console.log(inner_var) // undefined