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Functional Programming in JavaScript

Functional Programming in JavaScript

Slides for my talk at #Codemotion2016

Flavio Corpa Ríos

November 19, 2016
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  1. View Slide

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  3. Why?

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  4. $.each(/*…*/);

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  7. Native JavaScript
    VS.
    ____________________.js

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  8. Native JavaScript
    VS.
    Underscore.js

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  12. Array.prototype.filter()

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  14. ES2015 Arrow Functions =>

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  18. Lambda calculus
    x, y → x + y
    x → y → x + y

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  19. Arrow functions
    (x, y) => x + y
    x => y => x + y

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  21. Array.prototype.forEach()

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  25. Array.prototype.map()

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  28. Array.prototype.find()*
    *ES2015 (ES6)

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  31. Array.prototype.includes() /
    String.prototype.includes()*
    *ES2016 (ES7)

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  34. Array.prototype.reduce()

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  41. Array.prototype.some()

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  44. Array.prototype.every()

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  46. Chaining Functions!

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  49. Show me the !

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