Intl.NumberFormat.prototype.formatRange()

The Intl.NumberFormat.prototype.formatRange() method formats a range of numbers according to the locale and formatting options of the Intl.NumberFormat object from which the method is called.

startRange

A Number or BigInt.

endRange

A Number or BigInt.

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.

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

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

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

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 €"

• Intl.NumberFormat
• Number.prototype.toLocaleString()