TypeScript d tutlayt n usihel sufella n JavaScript i tt-yesnulfan Anders Hejlsberg (Microsoft). Beɛd la compilation TypeScript yettuɣal Javascript deg yiminig. TypeScript vs Javascript Ttipaj Deg JavaScript ulac Ttipaj, seddaw egzampl anda la tawuri addition tqebbel kulci (number, string...etc.) : addition(3, 2) ad yefk 5, addition(3, 'toto') ad yefk '3toto'. S TypeScrit, nezmer ad nerna les Types akken ur nezmir ad nɛeddi ala number : Win yesseqdacen addition s Typscript ur yezmir ara ad yessawel addition(3, 'toto').