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Lists [_, _]
Strings "hello"
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Avoiding JavaScript Pitfalls Through Tree Hugging
- 1. Avoiding JavaScript Pitfalls Through Tree Hugging Zef Hemel (@zef)
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- 12. Iterating using undeclaredvariable
- 14. Warning: you arein an anonymous inner function with its own “this” pointer -- ya sure this is what you mean?
- 16. Did you mean“length”?
- 17.
- 18.
- 19.
- 20. X tatic
- 21.
- 22. What can you dowith it?
- 24. code outlines code completion(intellisense) code navigation ...
- 25.
- 26. Code Parser AST
- 27. Abstract Syntax Tree Op a * 10 Parser “*” Var Num “a” “10”
- 28. Zeon Narcissus UglifyJS language.js Esprima
- 29. performance (speed/memory) AST datastructure traversal tools
- 30. i fi c ec p performance (speed/memory) s i pt r AST datastructure S c v a traversal tools Ja
- 31.
- 32. “The JQuery ofAST analysis.”
- 33.
- 34. Standard Traversals + Pattern Matching
- 35. Op a * 10 “*” Var Num “a” “10”
- 36. Op Op("*", Var("a"), “*” Var Num Num("10")) “a” “10”
- 37. Op ATerm Op("*", Var("a"), “*” Var Num Num("10")) “a” “10”
- 38. Constructors Var(_) Lists [_, _] Strings "hello" Placeholders x
- 40.
- 47. http://github.com/ajaxorg/treehugger http://c9.io @zef @cloud9ide