javascript language paradigms

Object-oriented and

Functional JavaScript

jason harwig

why so long?

1.

“JavaScript is the world’s

most misunderstood language”

- douglas crockford

2.

no classes

public class Presentation {

public static void main(String[] a) { }

}

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3.

“No JavaScript”

- pointy-haired boss

why now?

classical inheritance through

libraries

“I want it to be web 2.0”

- pointy-haired boss

what do I need to know?

1.

JSON

var presentation = {

};

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name: ‘oojs’,

var presentations = [

];

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var presentation = {

};

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name: ‘oojs’

abstractasbooleanbreakbytecasecatchcharclasscontinueconstdebuggerdefaultdeletedodouble

elseenumexportextendsfalsefinalfinallyfloatforfunctiongotoifimplementsimportininstanceof

intinterfaceislongnamespacenativenewnullpackageprivateprotectedpublicreturnshortstaticsuper

switchsynchronizedthisthrowthrowstransienttruetrytypeofusevarvoidvolatilewhilewith

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2.

“prototype is like a rosetta

stone”

- brian dillardjquery vs. prototype

3.

functions

functions as variables

functions without names

functions as constructors

functions vs methods

namespacing

objects

scopes

encapsulation

inheritance

no dot equals?!?

libraries

prototype.js

Presentation = Class.create({

initialize: function() { }

})

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JQuery Classy Query

JavaScript 2.0

twitter: jharwig

jason.harwig@nearinfinity.com

nearinfinity.com/blogs

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