JavaScript Abbreviations

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JS
JavaScript

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app
application

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f
final
def: the final variable that will be returned from a func

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arg
argument

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param
parameter

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arr
array

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obj
object

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objs
arr of obj

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num
number

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nums
arr of num

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str
string

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strs
arr of str

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c
char
def: a single str character

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func
function
note: as opposed to a method (i.e. a member of a Class)

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nil
type: null | undefined

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a
arr

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elem
element of an arr

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n
num

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s
str

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o
obj

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k
keyName
type: str
def: the key part of a key-value pair

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v
the value part of a key-value pair

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v (2)
a variable of unknown type or of two or more possible types
type: any or union of types

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n
needle
type: str or regex

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h
haystack
type: str

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ref
reference type
type: obj, arr

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mut
mutate a ref type

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dir
directory

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recur
recursion

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cb
callback func

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db
database

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coll
collection
def: used for noSql dbs like MongoDB

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doc
document
def: an obj or key-value pair that represents a record in a noSql db

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json
JavaScript Object Notation

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regex
Regular Expression
type: RegExp

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util
utility
utility file
def: a file with two or more utility funcs

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POJ or poj
plain old javascript
type: obj

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algor
algorithm

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dfs
depth-first search

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bfs
breadth-first search

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seq
sequence
def: seq of nums, or seq of chars

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h (2)
hashtable
type: obj

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perf
performance

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uniq
unique

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dup
duplicate

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len
length
def: char count in str, or elem count in arr

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cnt
count
def: the number of items in an arr or set

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sig
signature

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p
pointer
note: other pointer variables include: i, j, k, left, right

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