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JavaScript: The Good Parts Douglas Crockford Yahoo! Inc. http://www.crockford.com/codecamp/
The World's Most Misunderstood Programming Language
A language of many contrasts.
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]
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],[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]
Style Isn't Subjective ,[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]
Style Isn't Subjective ,[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]
Style Isn't Subjective ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Working with the Grain
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]
 

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Douglas Crockford Presentation Goodparts

  • 1. JavaScript: The Good Parts Douglas Crockford Yahoo! Inc. http://www.crockford.com/codecamp/
  • 2. The World's Most Misunderstood Programming Language
  • 3. A language of many contrasts.
  • 4. The broadest range of programmer skills of any programming language. From computer scientists to cut-n-pasters and everyone in between.
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  • 6. Hidden under a huge steaming pile of good intentions and blunders is an elegant, expressive programming language. JavaScript has good parts.
  • 7. JavaScript is succeeding very well in an environment where Java was a total failure.
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  • 26. Module pattern is easily transformed into a powerful constructor pattern.
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  • 48. A Personal Journey Beautiful Code
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  • 50. WARNING! JSLint will hurt your feelings.
  • 51. Unlearning Is Really Hard Perfectly Fine == Faulty
  • 52. It's not ignorance does so much damage; it's knowin' so derned much that ain't so. Josh Billings
  • 53. The Very Best Part: Stability No new design errors since 1999!
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