Question

Variables (A JS Tutorial)

Answer 1

Introduction

When you are programming in JS, sometimes you will need to use variables. Variables are just values that can be easily changed. A variable can be anything: a string, a number, an expression, or even another variable!

In JS, a variable is declared using the var function:
http://prntscr.com/99520d
When this code is run, a variable called "variable" will be created with the value "value."

Answer 2

Strings

A variable can also be a string. A string is just a chain of characters notated with quotations.

http://prntscr.com/9954z2
This variable, catNoise, has a value "meow," so that if we were to display this variable, it would look like this:

meow

A variable can also be a combination of strings.
You can add together different strings to create a new one:

http://prntscr.com/9cof9r

Answer 3

Numbers

Another common type of variable is a number variable. Number variables can be computed and plugged into equations

http://prntscr.com/9c76lv
Notice that there are no quotations around the number. If there were, this would be considered a string, even if the contents of the string are numbers.

Answer 4

Computations


Variables can be computations between numbers as well. You can use basic operations like:
Addition: +
Subtraction: -
Multiplication: *
Division: /
http://prntscr.com/9c78cd
You can also compute variables that are numbers.
http://prntscr.com/9c78ye

Answer 5

=]

Answer 6

Viariables...

Answer 7

Congrats

Answer 8

You made a 1 paragraph subject on WC 5 paragraphs xD

Answer 9

@malcolmmcswain

Answer 10

Plus... for a JS tutorial you dont star with variables... cummon your better then this! -_-

Answer 11

lol no one said you had to learn a lot in one hour for hour of code :P

Answer 12

Wait you don't know javascript?

BRUHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH

Answer 13

OFC I KNO JAVASCRIPT

Answer 14

THIS TUTORIAL IS FOR HOUR OF CODE LOL

Answer 15

Bruh... You realize i could top this tutorial with 20 minutes to make a tutorial?

Letteralone a hour LOL

Answer 16

Hour of Code... Wait

You live in vegas? O_o

Answer 17

omg I kid

I live in SF

and this tutorial is not for hour of code it's just an introductory, comprehensive tutorial

Answer 18

and we cycled back to YOU DONT START A INTRODUCTORY TUTORIAL TO JS WITH VARIABLES! YOU BAFOON! XD

Answer 19

Other then that you did put more detail in it then WC so thumbs up there... x'D

Answer 20

But you also missed aspects :P

Answer 21

Like?

Answer 22

Well, for one, I guess I forgot about objects lol

Answer 23

I'll make a part 2

Answer 24

Not to mention arrays :P

Answer 25

But where should I start with a JS tutorial other than variables?

Answer 26

lol tru

Answer 27

and JSON objects :P

Answer 28

ok ok I get it

JSON is not introductory though

Answer 29

Well first you need a reason to need a variable Malcolm... Keep that in mind :P

Answer 30

Well, yeah, lol

Answer 31

WOOOO I JUST SSED UP LOL

Answer 32

Love the idea, props

I might suggest a super basic outline that non-coders can follow to set up and start coding

Answer 33

OMG I KNO THAT FEEL WHEN UR JUST TALKIN AND YOU NOTICE IT

Answer 34

There you go woodrow LOL

Answer 35

\(\color{#0cbb34}{\text{Originally Posted by}}\) @woodrow73
I might suggest a super basic outline that non-coders can follow to set up and start coding
\(\color{#0cbb34}{\text{End of Quote}}\)
What? Like an IDE? >.<

Answer 36

*facedesk*

Answer 37

well, most ides can run JS inside the program

Answer 38

FOR CRYING OUT LOUD *stars on Jaynators Complete Ultimate JavaScript Tutorial 1*

Although it won't be complete, nor ultimate, your always learning javascript, even when you know all the predefined functions, compatibility, methods etc :P

Answer 39

Also, jay, you know what, take it back.

Answer 40

Before you learn JS, you should just start with good old fashioned HTML

Answer 41

:p a basic html skeleton, where to put <script>, and a reference to nice editor like notepad++

Answer 42

EXACTLY BINGO THERES THE TICKET MALCOLM!

Answer 43

Took you long enough to realize it xD

Answer 44

You should learn basic syntax and how it works, then you should learn basic HTML, then CSS, then move onto JavaScript.

Answer 45

\(\color{#0cbb34}{\text{Originally Posted by}}\) @woodrow73
:p a basic html skeleton, where to put <script>, and a reference to nice editor like notepad++
\(\color{#0cbb34}{\text{End of Quote}}\)
Exactly... start with html and NOTEPAD++???

Answer 46

The most fundamental thing to learn is what syntax is how it works etc etc.

Answer 47

NOTEPAD++ IS SO BAD THO

Answer 48

http://notepad-plus-plus.org/


Bruh...
I use regular notepad malcolm and do everything that i do :P

Answer 49

If you're going to use a free IDE, use Atom 2... it's pretty great

Answer 50

I USE NOTEPAD DEAL WITH IT

Answer 51

REGULAR NOTEPAD

Answer 52

THAT COMES WITH WINDOWS

Answer 53

GET ON MY LEVEL LOL

Answer 54

:O

Answer 55

Any IDE that suits your fancy lols

ms notepad coding is nuts #gohard

Answer 56

DUDE RLLY
U DONT EVEN HAVE SYNTAX HIGHLIGHTING XD

Answer 57

THE BEST IDE EVER: https://atom.io/

AND IT'S FREE

Answer 58

USE ATOM JAY

Answer 59

//takes note

Answer 60

:)

Answer 61

NO

Answer 62

I WILL USE NOTEPAD

Answer 63

BECAUSE IM BEAST LIKE THAT TO DO AMAZING CODE ON NOTEPAD

Answer 64

DEAL WITH IT K

Answer 65

I have notepad++... literally never use it xD

Answer 66

used it for 5 minutes said no and continued in notepad xD

Answer 67

Just a quick note.
Atom and Notepad++ are both text editors. IDEs (Integrated Development Environments) are something different (although you can write code in those to).

Answer 68

^ true

A good IDE is Coda 2 for mac

And Microsoft Visual Studio for windows

Answer 69

Instead of learning JavaScript why not learn a programming language that compiles to JavaScript.

Brython
GHCJS
TypeScript

Are to name a few. What are their benifets? They are not JavaScript.

Answer 70

^... Well then -_-