Created
December 13, 2013 19:15
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formatear numeros a miles
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function oNumero(numero){ | |
//Propiedades | |
this.valor = numero || 0 | |
this.dec = -1; | |
//Métodos | |
this.formato = numFormat; | |
this.ponValor = ponValor; | |
//Definición de los métodos | |
function ponValor(cad){ | |
if (cad =='-' || cad=='+') return | |
if (cad.length ==0) return | |
if (cad.indexOf('.') >=0) | |
this.valor = parseFloat(cad); | |
else | |
this.valor = parseInt(cad); | |
} | |
function numFormat(dec, miles){ | |
var num = this.valor, signo=3, expr; | |
var cad = ""+this.valor; | |
var ceros = "", pos, pdec, i; | |
for (i=0; i < dec; i++) | |
ceros += '0'; | |
pos = cad.indexOf('.') | |
if (pos < 0) | |
cad = cad+"."+ceros; | |
else{ | |
pdec = cad.length - pos -1; | |
if (pdec <= dec){ | |
for (i=0; i< (dec-pdec); i++) | |
cad += '0'; | |
}else{ | |
num = num*Math.pow(10, dec); | |
num = Math.round(num); | |
num = num/Math.pow(10, dec); | |
cad = new String(num); | |
} | |
} | |
pos = cad.indexOf('.') | |
if (pos < 0) pos = cad.lentgh | |
if (cad.substr(0,1)=='-' || cad.substr(0,1) == '+') | |
signo = 4; | |
if (miles && pos > signo) | |
do{ | |
expr = /([+-]?\d)(\d{3}[\.\,]\d*)/ | |
cad.match(expr) | |
cad=cad.replace(expr, RegExp.$1+','+RegExp.$2) | |
} | |
while (cad.indexOf(',') > signo) | |
if (dec<0) cad = cad.replace(/\./,'') | |
return cad; | |
} | |
}//Fin del objeto oNumero: |
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