What is `Intl.NumberFormat` used for and what does `new Intl.NumberFormat(‘en-US’, {style:’currency’, currency:’USD’}).format(1234.56)` produce?

Question

JavaScript Developer — Hard

What is `Intl.NumberFormat` used for and what does `new Intl.NumberFormat(‘en-US’, {style:’currency’, currency:’USD’}).format(1234.56)` produce?

Accepted Answer

`Intl.NumberFormat` is used for locale-sensitive number formatting. The code `new Intl.NumberFormat('en-US', {style:'currency', currency:'USD'}).format(1234.56)` will produce '$1,234.56' with correct separators, currency symbol, and decimal places.