[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.203.cz\/javascript-zaklad-programovani\/#Article","mainEntityOfPage":"https:\/\/www.203.cz\/javascript-zaklad-programovani\/","headline":"JavaScript – z\u00e1klad programov\u00e1n\u00ed","name":"JavaScript – z\u00e1klad programov\u00e1n\u00ed","description":"Ve sv\u011bt\u011b programov\u00e1n\u00ed je d\u016fle\u017eit\u00e9 zn\u00e1t programovac\u00ed jazyky. Jedn\u00e1 se vlastn\u011b o syst\u00e9m z\u00e1pisu jednotliv\u00fdch dat do po\u010d\u00edta\u010dov\u00fdch program\u016f. Tyto jazyky se pot\u00e9 d\u011bl\u00ed n\u011b n\u011bkolik skupin. Na rozd\u00edl od p\u0159irozen\u00e9ho jazyka,…","datePublished":"2023-12-17","dateModified":"2024-01-18","author":{"@type":"Person","@id":"https:\/\/www.203.cz\/author\/#Person","name":"","url":"https:\/\/www.203.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/03ef97ef22d1b0d07a8e6c50d88cc1823592c58a091286b466bcec36e31eaab2?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/03ef97ef22d1b0d07a8e6c50d88cc1823592c58a091286b466bcec36e31eaab2?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"203.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.203.cz\/wp-content\/uploads\/gabriel-heinzer-g5jpH62pwes-unsplash.jpg","url":"https:\/\/www.203.cz\/wp-content\/uploads\/gabriel-heinzer-g5jpH62pwes-unsplash.jpg","height":0,"width":0},"url":"https:\/\/www.203.cz\/javascript-zaklad-programovani\/","about":["Byznys"],"wordCount":383,"articleBody":"   Ve sv\u011bt\u011b programov\u00e1n\u00ed je d\u016fle\u017eit\u00e9 zn\u00e1t programovac\u00ed jazyky. Jedn\u00e1 se vlastn\u011b o syst\u00e9m z\u00e1pisu jednotliv\u00fdch dat do po\u010d\u00edta\u010dov\u00fdch program\u016f. Tyto jazyky se pot\u00e9 d\u011bl\u00ed n\u011b n\u011bkolik skupin. Na rozd\u00edl od p\u0159irozen\u00e9ho jazyka, kter\u00fd pou\u017e\u00edv\u00e1me my k dorozum\u00edv\u00e1n\u00ed, tedy \u0159e\u010d, jsou ur\u010deny pro sd\u011blov\u00e1n\u00ed instrukc\u00ed a p\u0159\u00edkaz\u016f stoj\u016fm informa\u010dn\u00ed technologie. P\u0159irozen\u00e9 jazyky pak slou\u017e\u00ed k tomu, abychom se dorozum\u00edvali mezi sebou.Programovac\u00ed jazyky jsou d\u016fle\u017eit\u00e9 pro cel\u00fd syst\u00e9m programov\u00e1n\u00ed. Bez nich byste prakticky nic nenaprogramovali. Od doby prvn\u00edch programovac\u00edch jazyk\u016f \u0161el v\u00fdvoj kup\u0159edu skute\u010dn\u011b m\u00edlov\u00fdmi kroky. To, co bylo d\u0159\u00edv pova\u017eov\u00e1no za \u0161pi\u010dku v oblasti programov\u00e1n\u00ed, se dnes pova\u017euje za zastaral\u00e9 a ji\u017e se v\u016fbec nevyu\u017e\u00edv\u00e1.Programovac\u00edch jazyk\u016f je skute\u010dn\u011b hodn\u011b a jeden z nejpou\u017e\u00edvan\u011bj\u0161\u00edch je JavaScript. Co to vlastn\u011b JavaScript je? Jedn\u00e1 se o programovac\u00ed jazyk, kter\u00fd je pou\u017e\u00edvan\u00fd webov\u00fdmi v\u00fdvoj\u00e1\u0159i. Pou\u017e\u00edv\u00e1 se k p\u0159id\u00e1v\u00e1n\u00ed interakc\u00ed do her, aplikac\u00ed nebo na webov\u00e9 str\u00e1nky. K pou\u017e\u00edv\u00e1n\u00ed JavaScript je nutn\u00e1 i znalost HTML A CSS, jeliko\u017e tyto jazyky spolu \u00fazce souvis\u00ed a prac\u00ed se v\u0161emi t\u0159emi dok\u00e1\u017eete vytvo\u0159it v\u011bci, kter\u00e9 byste pouze pomoc\u00ed JavaScript nezvl\u00e1dli.V dob\u011b, kdy skriptovac\u00ed jazyk JavaScript vznikl, byl ur\u010den\u00fd pouze pro intern\u00ed pou\u017eit\u00ed v\u00fdvoj\u00e1\u0159\u016f. A\u017e pozd\u011bji se stal b\u011b\u017en\u00fdm n\u00e1strojem pro pou\u017e\u00edv\u00e1n\u00ed v informa\u010dn\u00edch technologi\u00edch. Tento jazyk je univerz\u00e1ln\u00ed, co\u017e znamen\u00e1, \u017ee je vhodn\u00fd pro r\u016fzn\u00e9 prohl\u00ed\u017ee\u010de a za\u0159\u00edzen\u00ed. Jak se vyv\u00edjeli prohl\u00ed\u017ee\u010de, vyv\u00edjel se i JavaScript, nap\u0159\u00edklad prohl\u00ed\u017ee\u010de Firefox nebo Google Chrome.Pokud chcete proniknout do sv\u011bta programov\u00e1n\u00ed, JavaScript by pro v\u00e1s m\u011bl b\u00fdt naprost\u00fdm z\u00e1kladem. Jestli se v n\u011bm nec\u00edt\u00edte \u00fapln\u011b zb\u011bhl\u00fd, nebo jste docela za\u010d\u00e1te\u010dn\u00edci, pom\u016f\u017ee v\u00e1m JavaScript online kurz, kde se dozv\u00edte v\u0161echno, co pot\u0159ebujete a nau\u010d\u00edte se tento programovac\u00ed jazyk ovl\u00e1dat.                                                                                                                                                                                                                                                                                                                                                                                                  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