Created
August 13, 2011 14:25
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/* Son objetivos fundamentales: | |
* - Minimizar las funciones ECMAScript utilizadas | |
* - Optimizar en espacio, evitando la creación de arrays transitorios | |
* | |
* Suponemos que no se utilizará esta función con arrays creados | |
* en frames externos, con lo cual instanceof Array es seguro | |
*/ | |
function aplaneitor(soa,acu) { | |
if (soa instanceof Array) { | |
for (var j=0, len = soa.length;j<len;j++) { | |
aplaneitor(soa[j],acu); | |
} | |
} | |
else { | |
acu.push(soa); | |
} | |
} | |
function phineas(a,sep) { | |
var acu = []; | |
aplaneitor(a,acu); | |
//Lo que sigue puede lograrse con un simple acu.join(sep) | |
//pero estoy evitando utilizar las funciones de Array.prototype | |
var text = acu[0].toString(); | |
for (var j = 1, len= acu.length; j<len; j++) { | |
text += sep+acu[j]; | |
} | |
return text; | |
} | |
console.log(phineas(['a',['b',['c',['d']]]],'*')); | |
console.log(phineas(["hola", ["soy", ["juan", "fernandez"] ], "y", ["no", "tengo", ["dinero"] ] ],'+')); |
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