Douglas Crockford Presentation Goodparts

JavaScript: The Good Parts Douglas Crockford Yahoo! Inc. http://www.crockford.com/codecamp/

The World's Most Misunderstood Programming Language

The broadest range of programmer skills of any programming language. From computer scientists to cut-n-pasters and everyone in between.

Complaints ,[object Object],[object Object],[object Object],[object Object]

Hidden under a huge steaming pile of good intentions and blunders is an elegant, expressive programming language. JavaScript has good parts.

JavaScript is succeeding very well in an environment where Java was a total failure.

Influences ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bad Parts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transitivity? What's That? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Good features that interact badly ,[object Object],[object Object],[object Object]

for in is troublesome ,[object Object],[object Object],[object Object],[object Object]

for in is troublesome ,[object Object],[object Object]

Bad Heritage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Good Parts ,[object Object],[object Object],[object Object],[object Object]

Inheritance ,[object Object],[object Object],[object Object],[object Object]

Prototypal Inheritance ,[object Object],[object Object],[object Object],[object Object],[object Object],newObject oldObject __proto__

Prototypal Inheritance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

new ,[object Object],[object Object],[object Object]

Global ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Slow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Closure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Module Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Module pattern is easily transformed into a powerful constructor pattern.

Power Constructors ,[object Object],[object Object],[object Object],[object Object],[object Object]

Power Constructors ,[object Object],[object Object],[object Object],[object Object]

Power Constructors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step One ,[object Object],[object Object],[object Object]

Step Two ,[object Object],[object Object],[object Object],[object Object]

Step Three ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step Four ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Closure ,[object Object],[object Object],[object Object],[object Object]

Style Isn't Subjective ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Style Isn't Subjective ,[object Object],[object Object],[object Object],[object Object]

Style Isn't Subjective ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Personal Journey Beautiful Code

JSLint ,[object Object],[object Object],[object Object]

WARNING! JSLint will hurt your feelings.

Unlearning Is Really Hard Perfectly Fine == Faulty

It's not ignorance does so much damage; it's knowin' so derned much that ain't so. Josh Billings

The Very Best Part: Stability No new design errors since 1999!

Coming Soon ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Not Coming Soon ,[object Object],[object Object],[object Object]

Safe Subsets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Good Parts ,[object Object],[object Object],[object Object]

Douglas Crockford Presentation Goodparts

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