JavaScript



Contents:

Number

String

Number <â€“> String

Boolean

Date

Math

Array

Function

logic

Object

type

object-orientation

Error (exceptions)

LEGEND



Operator Precedence More content is in the

product closeups, especially:



DOM (Document

Object Model)



Regular Expressions The information here

is part of two printed

references, that

VisiBone makes, the

JavaScript Card:



a dense, laminated,

four-page 8.5x11 book and also the

JavaScript Foldouts:



a set of three fan-fold

booklets with larger

print and smaller

folded size.



Does it look busy?

Well, it wasn't meant

for idle people!

Here are all the

features of client-side

JavaScript, in

living code. English takes a

back seat here.

To make solid

code, learn to

read, think and

write in

JavaScript.

Fluency will

serve you best

in the end. The assert()

function is the best

invention for

programming

since the subroutine. Not only will its

proper use make

your software

test itself, earning

and protecting

reliability from the

start. But it's a clear,

concise way to

describe exactly

what all the features

of JavaScript do. Did I mention?

Feedback

form below!

Regular Expressions

are very versatile for

validating or

analyzing strings. See the JavaScript

Regular Expressions

reference.



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The assert() function

is like a video camera.

Hold on now, this will

make sense in a sec. Think how you first learn

human language. You

observe words spoken

and their effects.

Person A: "I'm hungry"

Person B gives A food.

You infer an association

between making the

sound "hungry" and

getting fed. This card can teach you

JavaScript not by talking

about it but by doing it

and (here's the part I'm

smug about) showing

you the effects. The

assert() function is a

great way of showing

you what JavaScript

code does. Imagine, instead of a

dead-tree dictionary

that defines words in

terms of ... other words,

it would instead show

a video clip of people

using and responding

to those words. Assert makes the

effects of JavaScript

code visible, just like

this video-dictionary

would make the

effects of human

words visible.











VisiBone also makes

several printed web

color references. Posters & Charts

Laminated Cards



that match the

"VisiBone2"

swatch collection

in Adobe

Illustrator and

Photoshop. Plus two varieties

of Mouse Pads. And a chart with

1068 non-web-safe

colors:



Guaranteed compatible

with walls in Asia,

Europe, the Americas,

Africa, Australia and

California.























Thank you, and good luck building!

â€”