Clean Up Your JavaScript Act

Ashic Mahtabhttp://www.heartysoft.com

@ashic

JavaScript

• Messy• Dangerous• Extremely flexible…too flexible?

JavaScript

• Following a few simple patterns (“The Good Parts”) can make it manageable.

• Writing tests…need I even ask?

JavaScript Testing

• QUnit• Chutzpah• Build Script• TeamCity Demo

QUnit

• test• module• ok• equal• stop• start

Objects

var person = { ‘name’ : ‘john’, ‘yearOfBirth’ : 1912, ‘saying’ : function(){ alert(“I was on board the Titanic!”); }};

Good for simple data structures…attempt to do complicated stuff and you will suffer :@

Functional Objects

• Demo1. Basics up to inheritance

Gotcha

• Ruining this

Knockout

• JavaScript MVVM framework• Awesome

Resources / Links

• Get Crockford’s book (Javascript: The Good Parts)

• http://chutzpah.codeplex.com • http://www.knockoutjs.com