JS

JS or js may refer to:

Computing

 * JavaScript, a high-level, just-in-time compiled, object-oriented programming language
 * JScript, Microsoft's dialect of the ECMAScript standard used in Internet Explorer

Businesses and organizations

 * Jonge Socialisten, a Dutch political group
 * Air Koryo, North Korea's state-run airline, IATA code JS
 * Jahangir Siddiqui & Co., a Pakistani financial services company
 * JS Model, Chinese manufacturer of UAVs
 * Jaffna Stallions, a team participating in Lanka Premier League
 * United Serbia (Jedinstvena Srbija), a political party in Serbia
 * JS Global, a Chinese manufacturer of home appliances

Other uses

 * JS (Indian magazine), defunct youth magazine
 * JS (band), an American female R&B duo
 * "JS" (song), by Mamoru Miyano, 2009
 * Japanese Ship, a ship prefix used by the Japanese military
 * Jiangsu, a province of China
 * Joule-second (J s, or J∙s), describing the amount of action, or the unit measure of angular momentum
 * Joule/second (J/s), or watt, a unit of power
 * IS tank family, an acronym for Joseph Stalin, sometimes anglicized as JS
 * , the official symbol for the Shōnan–Shinjuku Line in Japan