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August 17, 2011 14:31
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ejercicio1 jornada 3 grupo estudio java script
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// Crear una funcion que dado un array, que puede contener strings o arrays, | |
// concatene todos los strings y los separe por comas. Ej. Si el array que | |
// entra es: | |
// ["hola", ["soy", ["juan", "fernandez"]], "y", ["no", "tengo", ["dinero"]]] | |
// Devolvera la cadena "hola,soy,juan,fernandez,y,no,tengo,dinero" | |
function concatenator(initialArray, separator){ | |
separator = separator || ","; | |
var elem, | |
i, | |
size, | |
resArray = [], | |
size = initialArray.length; | |
for (i=0; i < size; i++) { | |
elem = initialArray[i]; | |
elem = Array.isArray(elem)?concatenator(elem, separator):elem; | |
resArray.push(elem); | |
} | |
return resArray.join(separator); | |
} | |
console.log("Tests"); | |
console.assert("" === concatenator([""]), "Cadena vacia"); | |
console.assert("hola" === concatenator(["hola"]), "Un elemento"); | |
console.assert("hola,esto,es,una,prueba" === | |
concatenator(["hola", "esto", "es", "una", "prueba"]), "Solo strings"); | |
console.assert("hola,soy,juan,fernandez,y,no,tengo,dinero" === | |
concatenator(["hola", ["soy", ["juan", "fernandez"]], "y", ["no", "tengo", ["dinero"]]]), | |
"Con Arrays internos"); | |
console.assert("hola;soy;juan;fernandez;y;no;tengo;dinero" === | |
concatenator(["hola", ["soy", ["juan", "fernandez"]], "y", ["no", "tengo", ["dinero"]]], ";"), | |
"Con Arrays internos y separador"); | |
console.log("Tests OK"); |
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