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Intl.NumberFormat.prototype.formatRange()

The formatRange() method of Intl.NumberFormat instances formats a range of numbers according to the locale and formatting options of this Intl.NumberFormat object.

Syntax

js
formatRange(startRange, endRange)

Parameters

Return value

A string representing the given range of numbers formatted according to the locale and formatting options of this Intl.NumberFormat object.

Exceptions

RangeError

Thrown if startRange is less than endRange, or either value is NaN.

TypeError

Thrown if either startRange or endRange is undefined.

Description

The formatRange getter function formats a range of numbers into a string according to the locale and formatting options of this Intl.NumberFormat object from which it is called.

Examples

Using formatRange

Use the formatRange getter function for formatting a range of currency values:

js
const nf = new Intl.NumberFormat("en-US", {
  style: "currency",
  currency: "USD",
  maximumFractionDigits: 0,
});

console.log(nf.formatRange(3, 5)); // "$3 – $5"

// Note: the "approximately equals" symbol is added if
// startRange and endRange round to the same values.
console.log(nf.formatRange(2.9, 3.1)); // "~$3"
js
const nf = new Intl.NumberFormat("es-ES", {
  style: "currency",
  currency: "EUR",
  maximumFractionDigits: 0,
});

console.log(nf.formatRange(3, 5)); // "3-5 €"
console.log(nf.formatRange(2.9, 3.1)); // "~3 €"

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android Deno Node.js
formatRange 106 106 116 92 15.4 106 116 72 15.4 20.0 106 No 19.0.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat/formatRange