This standalone number formatter † is intended to be short and fast. As they are the main factors for a high performance JavaScript app. Development release is around 150 lines including license info, ...

Nonfarm payrolls increased by 130,000 for January, above the Dow Jones consensus estimate for 55,000. The unemployment rate edged lower to 4.3%. A more encompassing measure slipped to 8%, down 0.4 ...

This proposal is complete and already merged into ECMA262 specification. See the specification text here. Thanks for help and feedback on this effort from Brendan Eich, Waldemar Horwat, Jaro Sevcik, ...