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56 lines
1.3 KiB
Markdown
56 lines
1.3 KiB
Markdown
---
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contributors:
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- ["Tenor Biel", "http://github.com/L8D"]
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translators:
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- ["Pablo Elices", "http://github.com/pabloelices"]
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filename: coffeescript-es.coffee
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---
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``` coffeescript
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# CoffeeScript es un lenguaje hipster.
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# Tiene convenciones de muchos lenguajes modernos.
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# Los comentarios son como en Ruby y Python, usan almohadillas.
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###
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Los comentarios en bloque son como estos, y se traducen directamente a '/*' y '*/'
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para el código JavaScript resultante.
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Deberías entender la mayor parte de la semántica de JavaScript antes de continuar.
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###
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# Asignación:
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number = 42 #=> var number = 42;
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opposite = true #=> var opposite = true;
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# Condiciones:
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number = -42 if opposite #=> if(opposite) { number = -42; }
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# Funciones:
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square = (x) -> x * x #=> var square = function(x) { return x * x; }
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# Rangos:
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list = [1..5] #=> var list = [1, 2, 3, 4, 5];
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# Objetos:
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math =
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root: Math.sqrt
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square: square
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cube: (x) -> x * square x
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#=> var math = {
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# "root": Math.sqrt,
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# "square": square,
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# "cube": function(x) { return x * square(x); }
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#}
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# Número de argumentos variable:
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race = (winner, runners...) ->
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print winner, runners
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# Existencia:
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alert "I knew it!" if elvis?
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#=> if(typeof elvis !== "undefined" && elvis !== null) { alert("I knew it!"); }
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# Listas:
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cubes = (math.cube num for num in list) #=> ...
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```
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