Intl.NumberFormat.prototype.format()

El método Intl.NumberFormat.prototype.format() formatea un número de acuerdo con la configuración regional y las opciones de formato de este objeto NumberFormat.

Syntax

numberFormat.format(number)

Parametros

number
A Number or BigInt to format.

Descripción

The format getter function formats a number into a string according to the locale and formatting options of this NumberFormat object.

Ejemplos

Usando format

Use the format getter function for formatting a single currency value, here for Russia:

var options = { style: 'currency', currency: 'RUB' };
var numberFormat = new Intl.NumberFormat('ru-RU', options);
console.log(numberFormat.format(654321.987));
// → "654 321,99 руб."

Usando format con map

Use the format getter function for formatting all numbers in an array. Note that the function is bound to the NumberFormat from which it was obtained, so it can be passed directly to Array.prototype.map.

var a = [123456.789, 987654.321, 456789.123];
var numberFormat = new Intl.NumberFormat('es-ES');
var formatted = a.map(numberFormat.format);
console.log(formatted.join('; '));
// → "123.456,789; 987.654,321; 456.789,123"

Especificaciones

Specification Status Comment
ECMAScript Internationalization API 1.0 (ECMA-402)
La definición de 'Intl.NumberFormat.prototype.format' en esta especificación.
Standard Initial definition.
ECMAScript Internationalization API 2.0 (ECMA-402)
La definición de 'Intl.NumberFormat.prototype.format' en esta especificación.
Standard
ECMAScript Internationalization API (ECMA-402)
La definición de 'Intl.NumberFormat.prototype.format' en esta especificación.
Living Standard

Browser compatibility

BCD tables only load in the browser

See also