Código:
Pero aun no logro entender que sea, agradezco su ayuda. <input type=text name=input2 size=20 onBlur="this.value=formatCurrency(this.value);">
formatear.js
Código:
<SCRIPT LANGUAGE="JavaScript">
function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '$' + num + '.' + cents);
}
</script>
formato.html
Código HTML:
<html> <HEAD> <script language="JavaScript" type="text/javascript" src="formatear.js"></script> </HEAD> <BODY> <center> <form name=currencyform> Introduce número: <input type=text name=input2 size=20 onBlur="this.value=formatCurrency(this.value);"> </form> </center> </BODY> </html>

