What is TypeScript?
{{Infobox programming language | name = TypeScript | logo = Typescript logo 2020.svg | logo_size = 64px | logo caption = | screenshot = | screenshot caption = | paradigm = [[Multi-paradigm programming language|Multi-paradigm]]: [[functional programming|functional]], [[generic programming|generic]], [[imperative programming|imperative]], [[object-oriented programming|object-oriented]] | released = {{Start date and age|2012|10|01|df=yes}}<ref>{{cite web |url = https://typescript.codeplex.com/releases/view/95554 |title = TypeScript |work = [[CodePlex]] |access-date = 26 April 2015 |archive-date = 3 April 2015 |archive-url = https://web.archive.org/web/20150403224440/https://typescript.codeplex.com/releases/view/95554 |url-status = dead }}</ref> | designer = [[Microsoft]] | developer = [[Microsoft]] | latest release version = {{wikidata|property|edit|reference|P548=Q2804309|P348}} | latest release date = {{start date and age|{{wikidata|qualifier|single|P548=Q2804309|P348|P577}}}} | latest preview version = {{wikidata|property|edit|reference|P548=Q51930650|P348}} | latest preview date = {{start date and age|{{wikidata|qualifier|single|P548=Q51930650|P348|P577}}}} | typing = [[Duck typing|Duck]], [[Gradual typing|gradual]], [[Structural type system|structural]]<ref>{{cite web|title=Type Compatibility | url=https://www.typescriptlang.org/docs/handbook/type-compatibility.html | website=TypeScript|access-date=21 March 2018}}</ref> | scope = | implementations = | dialects = | influenced by = [[C Sharp (programming language)|C#]], [[Java (programming language)|Java]], [[JavaScript]] | influenced = [[AtScript]], [[AssemblyScript]] | programming language = | platform = | operating system = | license = [[Apache License|Apache License 2.0]] | file ext = .ts, .tsx | wikibooks = }} '''TypeScript''' is a [[programming language]] from [[Microsoft]]. It is a type of [[JavaScript]] that adds [[static typing]]. It became public in October 2012 when Microsoft worked on it for two years.<ref>{{cite web|date=1 October 2012|tit