Intl.NumberFormat.prototype.format 属性返回一个根据NumberFormat对象的语言环境和格式化选项,来格式化一个数字的getter函数。
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语法
numberFormat.format(number)
参数
-
number - 要格式化的数值。
描述
该函数返回一个根据NumberFormat对象的语言环境和格式化选项,来format 一个数字的函数。
示例
使用 format
使用 format 格式化一个单一的货币值, 以俄罗斯为例:
var options = { style: 'currency', currency: 'RUB' };
var numberFormat = new Intl.NumberFormat('ru-RU', options);
console.log(numberFormat.format(654321.987));
// → "654 321,99 руб."
使用 format 和 map
使用 format 返回的函数来格式化数组中的所有数字。注意,该函数绑定到所获得的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"
规范
浏览器兼容性
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out
https://github.com/mdn/browser-compat-dataand send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | Server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
format |
Chrome Full support 24 | Edge Full support 12 | Firefox Full support 29 | IE Full support 11 | Opera Full support 15 | Safari Full support 10 | WebView Android Full support Yes | Chrome Android Full support 26 | Firefox Android Full support 56 | Opera Android ? | Safari iOS Full support 10 | Samsung Internet Android Full support 1.5 | nodejs ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown