{"id":26800,"date":"2022-11-17T14:26:38","date_gmt":"2022-11-17T13:26:38","guid":{"rendered":"http:\/\/codecool.com\/blog\/5-ok-arra-hogy-javascriptet-tanulj-igy-vaghatsz-bele\/"},"modified":"2023-07-03T14:58:07","modified_gmt":"2023-07-03T13:58:07","slug":"5-ok-arra-hogy-javascriptet-tanulj-igy-vaghatsz-bele","status":"publish","type":"post","link":"https:\/\/codecool.com\/hu\/5-ok-arra-hogy-javascriptet-tanulj-igy-vaghatsz-bele\/","title":{"rendered":"5 ok arra, hogy Javascriptet tanulj \u2013 \u00edgy v\u00e1ghatsz bele"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26800\" class=\"elementor elementor-26800 elementor-13378\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25e549f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25e549f\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e378161\" data-id=\"e378161\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9509845 elementor-widget elementor-widget-text-editor\" data-id=\"9509845\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Tal\u00e1lkozt\u00e1l m\u00e1r olyan weboldallal, amit\u0151l t\u00e1tva maradt a sz\u00e1d? A gy\u00f6ny\u00f6r\u0171 design, az anim\u00e1ci\u00f3k \u00e9s a reszponz\u00edv elemek egyes oldalakat szinte m\u0171alkot\u00e1sokk\u00e1 tehetnek. \u00c9s majdnem mind JavaScript haszn\u00e1lat\u00e1val k\u00e9sz\u00fclt.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b24bead elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b24bead\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c92d2c\" data-id=\"4c92d2c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-340c2fa elementor-widget elementor-widget-image\" data-id=\"340c2fa\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1-1024x576.jpg\" class=\"attachment-large size-large wp-image-84642\" alt=\"featured_1\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1-1024x576.jpg 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1-300x169.jpg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1-768x432.jpg 768w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1-1536x864.jpg 1536w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/featured_1.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-773b99e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"773b99e\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c29d59\" data-id=\"7c29d59\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b57283c elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"b57283c\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;no_headings_message&quot;:&quot;Ezen az oldalon nem tal\\u00e1lhat\\u00f3 c\\u00edmsor.&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTartalomjegyz\u00e9k\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b57283c\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b57283c\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__b57283c\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50137c1 elementor-widget elementor-widget-text-editor\" data-id=\"50137c1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Azonfel\u00fcl, hogy sz\u00e9les k\u00f6rben haszn\u00e1lt \u00e9s igen sokoldal\u00fa, ez egy olyan nyelv, amit rengeteg kezd\u0151 programoz\u00f3 el szeretne saj\u00e1t\u00edtani. Ha \u00e9pp most k\u00e9sz\u00fclsz elmer\u00fclni a k\u00f3dol\u00e1s vil\u00e1g\u00e1ban, vagy csak nem vagy 100%-ig biztos benne, hogy a JavaScript lenne-e a megfelel\u0151 v\u00e1laszt\u00e1s, ez a poszt sokat seg\u00edthet.<\/span><\/p><p><span style=\"font-weight: 400;\">Fedezz\u00fck fel egy\u00fctt az 5 legf\u0151bb okot ami\u00e9rt j\u00f3 v\u00e1laszt\u00e1s megtanulni a JavaScriptet.<\/span><\/p><p><span style=\"font-weight: 400;\">De el\u0151bb l\u00e1ssuk, honnan ered ez a programoz\u00e1si nyelv.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cdabdfe elementor-widget elementor-widget-heading\" data-id=\"cdabdfe\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">A JavaScript (szinte) egy id\u0151s a webbel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a37ac52 elementor-widget elementor-widget-text-editor\" data-id=\"a37ac52\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A 90-es \u00e9vek elej\u00e9n a szem\u00e9lyi sz\u00e1m\u00edt\u00f3g\u00e9peknek \u00e9s a b\u00f6ng\u00e9sz\u0151knek k\u00f6sz\u00f6nhet\u0151en az internet sz\u00e9lesebb k\u00f6z\u00f6ns\u00e9g sz\u00e1m\u00e1ra is el\u00e9rhet\u0151v\u00e9 v\u00e1lt. Abban az id\u0151ben k\u00e9t f\u0151 r\u00e9sztvev\u0151je volt<\/span><a href=\"https:\/\/hu.wikipedia.org\/wiki\/B%C3%B6ng%C3%A9sz%C5%91h%C3%A1bor%C3%BAk\"> <span style=\"font-weight: 400;\">a b\u00f6ng\u00e9sz\u0151h\u00e1bor\u00fanak<\/span><\/a><span style=\"font-weight: 400;\">, amelyek a webdominanci\u00e1\u00e9rt k\u00fczd\u00f6ttek: a <strong>Netscape<\/strong> \u00e9s a <strong>Microsoft<\/strong>. A Netscape kiemelt b\u00f6ng\u00e9sz\u0151je a Navigator, m\u00edg a Microsoftt\u00e9 az Internet Explorer volt, \u00e9s ezek fej fej mellett haladtak. A JavaScriptet eredetileg az\u00e9rt hozt\u00e1k l\u00e9tre, hogy a Netscape b\u00f6ng\u00e9sz\u0151j\u00e9nek kiz\u00e1r\u00f3lagos szkriptnyelve legyen, de a kiad\u00e1sa ut\u00e1n egyre t\u00f6bb b\u00f6ng\u00e9sz\u0151h\u00f6z adt\u00e1k hozz\u00e1 a JavaScript t\u00e1mogat\u00e1st.<\/span><\/p><p><span style=\"font-weight: 400;\">A webnek egyre <strong>dinamikusabb\u00e1<\/strong> \u00e9n <strong>interakt\u00edvabb\u00e1<\/strong> kellett v\u00e1lnia, anim\u00e1ci\u00f3kkal, interakci\u00f3kkal \u00e9s kisebb automatiz\u00e1l\u00e1sokkal. Ezek l\u00e9trehoz\u00e1s\u00e1ra pedig a JavaScript jelentette a megold\u00e1st.<\/span><\/p><p><span style=\"font-weight: 400;\">Az\u00f3ta ez a nyelv <strong>a legsz\u00e9lesebb k\u00f6rben alkalmazott programoz\u00e1si nyelvv\u00e9 n\u0151tte ki mag\u00e1t<\/strong>. \u00c9s sz\u00e1mtalan el\u0151nye van annak, ha \u00fagy d\u00f6ntesz, elsaj\u00e1t\u00edtod.<\/span><\/p><p><span style=\"font-weight: 400;\">L\u00e1ssuk is a list\u00e1nkat! \u00cdme, mi\u00e9rt j\u00f3 v\u00e1laszt\u00e1s megtanulni a JavaScriptet:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af9d1aa elementor-widget elementor-widget-image\" data-id=\"af9d1aa\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2-1024x576.png\" class=\"attachment-large size-large wp-image-84647\" alt=\"javascript k\u00f3dol\u00e1s\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2-1024x576.png 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2-300x169.png 300w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2-768x432.png 768w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2-1536x864.png 1536w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep2.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3121de elementor-widget elementor-widget-heading\" data-id=\"e3121de\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. A JavaScript kiker\u00fclhetetlen a weben<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb59aec elementor-widget elementor-widget-text-editor\" data-id=\"fb59aec\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A weben a<\/span><a href=\"https:\/\/www.lighthouselabs.ca\/blog\/what-is-javascript-used-for\"> <span style=\"font-weight: 400;\">JavaScript<\/span><\/a><span style=\"font-weight: 400;\"> a leguniverz\u00e1lisabb programoz\u00e1si nyelv. A<\/span><a href=\"https:\/\/w3techs.com\/technologies\/details\/cp-javascript\/all\/all\"> <span style=\"font-weight: 400;\">W3Techs<\/span><\/a><span style=\"font-weight: 400;\"> szerint manaps\u00e1g <\/span><b>a vil\u00e1g weboldalainak 97,6%-a ezt a nyelvet haszn\u00e1lja<\/b><span style=\"font-weight: 400;\">. Teh\u00e1t nem t\u00falz\u00e1s azt \u00e1ll\u00edtani, hogy k\u00e9ptelens\u00e9g kiker\u00fclni.<\/span><\/p><p><span style=\"font-weight: 400;\">A Google keres\u0151j\u00e9ben megjelen\u0151 <\/span><b>tal\u00e1latok<\/b><span style=\"font-weight: 400;\"> JavaScripttel ker\u00fclnek oda. A Microsoft ezzel \u00e9p\u00edtette fel az Edge webes b\u00f6ng\u00e9sz\u0151t. A Facebook pedig saj\u00e1t m\u00f3dot tal\u00e1lt a JavaScript alkalmaz\u00e1s\u00e1ra, hogy felgyorsuljon az oldal (a Facebook oldalad minden egyes szekci\u00f3ja k\u00fcl\u00f6n\u00e1ll\u00f3 JavaScript-alkalmaz\u00e1sok gy\u0171jtem\u00e9nye).<\/span><\/p><p><span style=\"font-weight: 400;\">A <\/span><b>vil\u00e1gh\u00e1l\u00f3t<\/b><span style=\"font-weight: 400;\"> is ezzel a programoz\u00e1si nyelvvel \u00e9p\u00edtett\u00e9k fel, \u00edgy lehetetlen megker\u00fclni. \u00c9s nem is kellene, hogy elker\u00fclj\u00e9tek egym\u00e1st.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc01eb2 elementor-widget elementor-widget-image\" data-id=\"bc01eb2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3-1024x576.png\" class=\"attachment-large size-large wp-image-84652\" alt=\"javascript keresett tud\u00e1s\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3-1024x576.png 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3-300x169.png 300w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3-768x432.png 768w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3-1536x864.png 1536w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep3.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebddfa5 elementor-widget elementor-widget-heading\" data-id=\"ebddfa5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. A JavaScript programoz\u00e1s egy keresett skill a munkaer\u0151piacon<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8f05db elementor-widget elementor-widget-text-editor\" data-id=\"a8f05db\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ha megn\u00e9zed a Statista<\/span><a href=\"https:\/\/www.statista.com\/statistics\/793628\/worldwide-developer-survey-most-used-languages\/\"> <span style=\"font-weight: 400;\">2022-es glob\u00e1lis felm\u00e9r\u00e9s\u00e9t,<\/span><\/a><span style=\"font-weight: 400;\"> l\u00e1thatod, hogy a JavaScript hivatalosan is <\/span><b>a vil\u00e1g leggyakrabban haszn\u00e1lt programoz\u00e1si nyelve.<\/b><span style=\"font-weight: 400;\"> \u00c9s ez a minden\u00fctt jelen l\u00e9v\u0151 nyelv fordul el\u0151 a legnagyobb sz\u00e1zal\u00e9kban az \u00e1ll\u00e1shirdet\u00e9sekben is. Hab\u00e1r nem felt\u00e9tlen\u00fcl ez a vil\u00e1g legkedveltebb nyelve (mindenkinek megvan a maga preferenci\u00e1ja), de hat\u00e1rozottan ez a legsz\u00e9lesebb k\u00f6rben haszn\u00e1lt. \u00c9s sz\u00e1mos ter\u00fcleten kezd egyre n\u00e9pszer\u0171bb \u00e9s relev\u00e1nsabb lenni.<\/span><\/p><p><span style=\"font-weight: 400;\">A fejleszt\u0151i k\u00e9szs\u00e9geket tesztel\u0151 oldal, a<\/span><a href=\"https:\/\/devskiller.com\/most-in-demand-tech-jobs-2022\/\"> <span style=\"font-weight: 400;\">DevSkiller bejegyz\u00e9se<\/span><\/a><span style=\"font-weight: 400;\"> alapj\u00e1n 2022-ben <\/span><b>a JavaScript fejleszt\u0151k a legkeresettebb IT-szakemberek k\u00f6z\u00f6tt voltak<\/b><span style=\"font-weight: 400;\">.\u00a0 Teh\u00e1t az elsaj\u00e1t\u00edt\u00e1sa nagy el\u0151nyt jelenthet a munkaer\u0151piacon, \u00e9s seg\u00edthet id\u0151t\u00e1ll\u00f3v\u00e1 tenni a tech skilljeidet.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75813e9 elementor-widget elementor-widget-heading\" data-id=\"75813e9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Izgalmas funkci\u00f3kkal l\u00e1thatod el a weboldalakat<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c93df80 elementor-widget elementor-widget-text-editor\" data-id=\"c93df80\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">R\u00e9gen az internet csak sz\u00f6veget jelen\u00edtett meg, mindenf\u00e9le interakt\u00edv elem n\u00e9lk\u00fcl. Manaps\u00e1g a JavaScript interaktivit\u00e1st, reszponzivit\u00e1st \u00e9s gyakran szem\u00e9lyis\u00e9get is ad az oldalakhoz. Minden b\u00f6ng\u00e9sz\u0151 t\u00e1mogatja a JavaScriptet, amely lehet\u0151v\u00e9 teszi, hogy a vide\u00f3k, az anim\u00e1ci\u00f3k \u00e9s az egy\u00e9b m\u00e9diatartalmak gy\u00f6ny\u00f6r\u0171en jelenjenek meg. A web k\u00e9t legf\u0151bb alkot\u00f3eleme a HTML \u00e9s a CSS, amelyek a weboldalak tartalmait jel\u00f6lik, de JavaScript kell ahhoz, hogy ezek \u00e9letre keljenek.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u00e9zd meg ezt a szuper<\/span><a href=\"https:\/\/www.sbs.com.au\/theboat\/\"> <span style=\"font-weight: 400;\">online k\u00e9preg\u00e9nyt az SBS oldal\u00e1n.<\/span><\/a><span style=\"font-weight: 400;\"> Vagy hangolj a vil\u00e1g k\u00fcl\u00f6nb\u00f6z\u0151 r\u00e1di\u00f3\u00e1llom\u00e1saira online<\/span><a href=\"http:\/\/radio.garden\/visit\/zagreb\/wRtG4LE8\"> <span style=\"font-weight: 400;\">a Radio Gardennel.<\/span><\/a><span style=\"font-weight: 400;\"> Az ilyen t\u00edpus\u00fa webes tartalmak egyike sem j\u00f6hetne l\u00e9tre JavaScript n\u00e9lk\u00fcl.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sz\u00f3val, ha gy\u00f6ny\u00f6r\u0171, reszponz\u00edv weboldalakat szeretn\u00e9l alkotni, szembet\u0171n\u0151 UX (felhaszn\u00e1l\u00f3i \u00e9lm\u00e9ny) seg\u00edts\u00e9g\u00e9vel, gyorsan<\/span><a href=\"https:\/\/codecool.com\/hu\/blog\/biztositsd-be-a-karriered-ezek-a-legkeresettebb-programozasi-nyelvek\/\"> <span style=\"font-weight: 400;\">vedd fel a JavaScriptet a \u201emegtanuland\u00f3k\u201d list\u00e1j\u00e1ra<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2a4b66 elementor-widget elementor-widget-image\" data-id=\"c2a4b66\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4-1024x576.png\" class=\"attachment-large size-large wp-image-84657\" alt=\"javascript mobil\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4-1024x576.png 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4-300x169.png 300w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4-768x432.png 768w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4-1536x864.png 1536w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep4.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8ff273 elementor-widget elementor-widget-heading\" data-id=\"f8ff273\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. A JavaScript t\u00f6bb egy sima front-end nyelvn\u00e9l<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bc2566 elementor-widget elementor-widget-text-editor\" data-id=\"5bc2566\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ez egy<\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Scripting_language\"> <span style=\"font-weight: 400;\">szkriptnyelv<\/span><\/a><span style=\"font-weight: 400;\"> (teh\u00e1t a szkripteknek egy b\u00f6ng\u00e9sz\u0151n vagy egy \u00e9rtelmez\u0151n bel\u00fcl kell futnia), ez pedig <\/span><b>nem csak a frontend vagy backend fejleszt\u00e9sre korl\u00e1toz\u00f3dik<\/b><span style=\"font-weight: 400;\">. Amikor olyan \u00e9rtelmez\u0151kkel kombin\u00e1lj\u00e1k, mint a Node.js,<\/span><a href=\"https:\/\/medium.com\/@TheAnmolNigam\/the-versatility-of-javascript-223f93d546c0\"><span style=\"font-weight: 400;\"> a sokoldal\u00fas\u00e1ga szinte v\u00e9gtelen<\/span><\/a><span style=\"font-weight: 400;\">. A weboldalak interakt\u00edv elemein t\u00fal a k\u00f6vetkez\u0151kh\u00f6z vetheted be a JavaScriptet:<\/span><\/p><ul><li><span style=\"font-weight: 400;\"><strong>Webes \u00e9s mobilalkalmaz\u00e1sok l\u00e9trehoz\u00e1sa<\/strong> \u2013 N\u00e9zd meg az olyan<\/span><a href=\"https:\/\/wiredelta.com\/10-most-popular-nodejs-apps-of-2021\/\"> <span style=\"font-weight: 400;\">vil\u00e1gh\u00edr\u0171 v\u00e1llalatok<\/span><\/a><span style=\"font-weight: 400;\"> alkalmaz\u00e1sait, mint a Netflix, a Linkedin, a Paypal vagy az Uber \u2013 ezek<\/span><a href=\"https:\/\/wiredelta.com\/10-most-popular-nodejs-apps-of-2021\/\"> <span style=\"font-weight: 400;\">mind a Node.js \u00e9rtelmez\u0151 haszn\u00e1lat\u00e1val k\u00e9sz\u00fcltek,<\/span><\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"> amely egy futtat\u00f3k\u00f6rnyezet a JavaScript k\u00f3dokhoz. A fejleszt\u0151k az \u00e9rtelmez\u0151k \u00e9s a k\u00fcl\u00f6nf\u00e9le keretrendszerek alkalmaz\u00e1s\u00e1val webes \u00e9s mobilalkalmaz\u00e1sokat is fejleszthetnek \u00e9s \u00e9p\u00edthetnek, nem csak weboldalakat.<\/span><\/span><p>\u00a0<\/p><\/li><li><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Webszerverek \u00e9s szerveroldali alkalmaz\u00e1sok \u00e9p\u00edt\u00e9se<\/strong> \u2013 A weboldalakon \u00e9s alkalmaz\u00e1sokon t\u00fal a fejleszt\u0151k egyszer\u0171bb webszervereket is \u00e9p\u00edthetnek, \u00e9s lefejleszthetik a back-end infrastrukt\u00far\u00e1t a Node.js haszn\u00e1lat\u00e1val.<\/span><\/span><p>\u00a0<\/p><\/li><li><span style=\"font-weight: 400;\"><strong>J\u00e1t\u00e9kok l\u00e9trehoz\u00e1sa<\/strong> \u2013 A JavaScriptet term\u00e9szetesen j\u00e1t\u00e9kok fejleszt\u00e9s\u00e9re is haszn\u00e1lhatod! Ha van egy remek \u00f6tleted egy \u00faj j\u00e1t\u00e9khoz, a Javascript seg\u00edts\u00e9g\u00e9vel 2D-ben vagy 3D-ben is l\u00e9tre tudod hozni. P\u00e9ld\u00e1ul az olyan j\u00e1t\u00e9kmotorokkal, mint a<\/span><a href=\"https:\/\/pixijs.com\/\"> <span style=\"font-weight: 400;\">Pixi.js<\/span><\/a><span style=\"font-weight: 400;\"> \u00e9s a<\/span><a href=\"http:\/\/wellcaffeinated.net\/PhysicsJS\/\"> <span style=\"font-weight: 400;\">Physics JS<\/span><\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"> klassz vide\u00f3j\u00e1t\u00e9kokat lehet \u00e9p\u00edteni.<\/span><\/span><p>\u00a0<\/p><\/li><li><span style=\"font-weight: 400;\"><strong>Mesters\u00e9ges intelligencia fejleszt\u00e9se<\/strong> \u2013 Jelenleg a legt\u00f6bb MI-alkalmaz\u00e1s R vagy Python nyelvet haszn\u00e1l, de a JavaScript el\u0151tt remek j\u00f6v\u0151 \u00e1ll MI-nyelvk\u00e9nt. Sz\u00e1mos JavaScript MI-keretrendszer van felt\u00f6rekv\u0151ben, amelyek lehet\u0151v\u00e9 teszik az MI-feladatok v\u00e9grehajt\u00e1s\u00e1t a b\u00f6ng\u00e9sz\u0151kben. A<\/span><a href=\"https:\/\/www.tensorflow.org\/\"> <span style=\"font-weight: 400;\">Tensorflow<\/span><\/a><span style=\"font-weight: 400;\"> Javascript k\u00f6nyvt\u00e1r a g\u00e9pi tanul\u00e1si feladatokhoz is rendelkez\u00e9sre \u00e1ll.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d1846e elementor-widget elementor-widget-image\" data-id=\"9d1846e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1-1024x576.png\" class=\"attachment-large size-large wp-image-84662\" alt=\"javascript k\u00f3d k\u00e9perny\u0151\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1-1024x576.png 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1-300x169.png 300w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1-768x432.png 768w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1-1536x864.png 1536w, https:\/\/codecool.com\/wp-content\/uploads\/2022\/11\/kep1.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6304fa2 elementor-widget elementor-widget-heading\" data-id=\"6304fa2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. A JavaScriptet k\u00f6nny\u0171 megtanulni<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d29c1c elementor-widget elementor-widget-text-editor\" data-id=\"8d29c1c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ez egy t\u00f6bb paradigm\u00e1s szkriptnyelv, \u00edgy t\u00e1mogatja az<\/span><a href=\"https:\/\/hu.wikipedia.org\/wiki\/Objektumorient%C3%A1lt_programoz%C3%A1s\"> <span style=\"font-weight: 400;\">objektumorient\u00e1lt<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/hu.wikipedia.org\/wiki\/Imperat%C3%ADv_programoz%C3%A1s\"> <span style=\"font-weight: 400;\">imperat\u00edv<\/span><\/a><span style=\"font-weight: 400;\"> \u00e9s<\/span><a href=\"https:\/\/hu.wikipedia.org\/wiki\/Funkcion%C3%A1lis_programoz%C3%A1s\"> <span style=\"font-weight: 400;\">funkcion\u00e1lis programoz\u00e1si<\/span><\/a><span style=\"font-weight: 400;\"> st\u00edlusokat is.<\/span><\/p><p><span style=\"font-weight: 400;\"> Szerint\u00fcnk a JavaScript <strong>az egyik legk\u00f6nnyebben megtanulhat\u00f3 programoz\u00e1si nyelv<\/strong> egy kezd\u0151nek. Emellett, ha elsaj\u00e1t\u00edtod, olyan sokf\u00e9le dolgot tudsz majd vele csin\u00e1lni, hogy nem b\u00e1nod meg az energi\u00e1t, amit belefektett\u00e9l a tanul\u00e1sba.<\/span><\/p><p><span style=\"font-weight: 400;\">Remek els\u0151 programnyelv lehet, mivel <strong>sok mindent el lehet vele \u00e9rni r\u00f6vid id\u0151 alatt<\/strong>. A Pythont valamivel gyorsabban el lehet saj\u00e1t\u00edtani, az egyszer\u0171bb nyelvezetnek k\u00f6sz\u00f6nhet\u0151en. Azonban Pythonnal nem tudsz majd frontend \u00e9s backend fejleszt\u00e9st is elv\u00e9gezni \u2013 JavaScripttel sokkal hamarabb tudsz l\u00e1tv\u00e1nyos eredm\u00e9nyeket el\u00e9rni.<\/span><\/p><p><span style=\"font-weight: 400;\">Nem kell technol\u00f3giai zseninek lenned, hogy m\u0171k\u00f6d\u0151 JavaScript k\u00f3dot hozz l\u00e9tre, mert egyszer\u0171en, a b\u00f6ng\u00e9sz\u0151b\u0151l tudod futtatni. Azonban, ha a k\u00f3d szintj\u00e9n\u00e9l m\u00e9lyebbre akarsz \u00e1sni, \u00f6sszetettebb dolgokat is meg kell \u00e9rtened majd. Egy j\u00f3l struktur\u00e1lt k\u00e9pz\u00e9si terv, valamint n\u00e9mi \u00fatmutat\u00e1s seg\u00edts\u00e9gedre lehet majd ebben a folyamatban.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53e1bac elementor-widget elementor-widget-heading\" data-id=\"53e1bac\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vedd fontol\u00f3ra, hogyan saj\u00e1t\u00edthatod el a JavaScriptet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e85ccc elementor-widget elementor-widget-text-editor\" data-id=\"2e85ccc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A kezd\u0151k gyakran megfeledkeznek egy fontos dologr\u00f3l, amikor eld\u00f6ntik, hogy JavaScriptet tanulnak: hogy ez a programoz\u00e1si nyelv rengeteg k\u00e9rd\u00e9st tartogat, \u00e9s a strukt\u00fara, valamint az extra \u00fatmutat\u00e1s a tanulm\u00e1nyaid sor\u00e1n felbecs\u00fclhetetlen lesz.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ha az egyszer\u0171 k\u00f3d\u00edr\u00e1son t\u00falra akarsz mer\u00e9szkedni, bele kell k\u00f3stolnod a szerveroldali megold\u00e1sokba, az adatb\u00e1zis-kezel\u00e9sbe, a front-end fejleszt\u00e9sbe \u00e9s a UX-be (felhaszn\u00e1l\u00f3i \u00e9lm\u00e9nybe) is. A JavaScript mindenkib\u0151l kik\u00e9nyszer\u00edti a \u201efull-stack fejleszt\u0151i szeml\u00e9letm\u00f3dot\u201d, aki bele\u00e1ssa mag\u00e1t. Mindezt pedig neh\u00e9z lehet meg\u00e9rteni \u00fatmutat\u00e1s \u00e9s az \u00e1tfog\u00f3 fejleszt\u0151i szeml\u00e9let n\u00e9lk\u00fcl.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fdbc22 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1fdbc22\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-782a4f0 elementor-widget elementor-widget-heading\" data-id=\"782a4f0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Szeretn\u00e9d a lehet\u0151 leghat\u00e9konyabban elsaj\u00e1t\u00edtani a JavaScriptet?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1843a7 elementor-widget elementor-widget-text-editor\" data-id=\"e1843a7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ha ink\u00e1bb gyakorlat orient\u00e1ltan szeretn\u00e9l tanulni, \u00e9s keresel egy profi, mentorokb\u00f3l \u00e1ll\u00f3, t\u00e1mogat\u00f3 k\u00f6z\u00f6ss\u00e9get, a Codecool a neked val\u00f3 hely.<\/span><\/p><p><span style=\"font-weight: 400;\">A<\/span><a href=\"https:\/\/codecool.com\/hu\/kepzesek\/full-stack-fejleszto-kepzes\/\"> <span style=\"font-weight: 400;\">full-stack fejleszt\u0151 k\u00e9pz\u00e9s\u00fcnket<\/span><\/a><span style=\"font-weight: 400;\"> kifejezetten \u00fagy alkottuk meg, hogy \u00e1tfog\u00f3 k\u00e9pet adjon a szoftverfejleszt\u00e9sr\u0151l. Emellett a piacon legink\u00e1bb keresett tud\u00e1sk\u00e9szlettel fog felruh\u00e1zni. Plusz a v\u00e9g\u00e9n egy garant\u00e1lt tech poz\u00edci\u00f3t biztos\u00edtunk.<\/span><\/p><p><span style=\"font-weight: 400;\">A tanulm\u00e1nyaid alatt t\u00f6bb programoz\u00e1si nyelvet fogsz elsaj\u00e1t\u00edtani \u2013 bele\u00e9rtve a JavaScriptet m\u00e1r a legels\u0151 modulban \u2013, valamint a legn\u00e9pszer\u0171bb technol\u00f3gi\u00e1kat \u00e9s nagyszer\u0171 <a href=\"https:\/\/codecool.com\/hu\/blog\/az-5-legfontosabb-soft-skill-amire-minden-fejlesztonek-szuksege-van\/\" target=\"_blank\" rel=\"noopener\">soft skilleket<\/a> szerezhetsz.<\/span><\/p><p>Ha k\u00e9rd\u00e9seid vannak, gyere el az egyik <a href=\"https:\/\/codecool.com\/hu\/esemenyek\/\" target=\"_blank\" rel=\"noopener\">esem\u00e9ny\u00fcnkre<\/a>, \u00e9s besz\u00e9lgess\u00fcnk arr\u00f3l, ami \u00e9rdekel a k\u00e9pz\u00e9seinkkel kapcsolatban!<a href=\"https:\/\/codecool.com\/hu\/kapcsolat\/\">\u00a0<\/a><\/p><p>De nyugodtan\u00a0<a href=\"https:\/\/codecool.com\/hu\/kapcsolat\/\"><span style=\"font-weight: 400;\">l\u00e9pj vel\u00fcnk kapcsolatba, \u00e9s tedd fel a k\u00e9rd\u00e9seid<\/span><\/a>\u00a0\u00edr\u00e1sban is. V\u00e1rjuk a jelentkez\u00e9sed!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A JavaScriptnek az els\u0151 programoz\u00e1si nyelvek k\u00f6zt kellene lennie, amelyet megtanulsz. De mi teszi olyan hasznoss\u00e1, \u00e9s hogyan v\u00e1gj bele?<\/p>\n","protected":false},"author":4,"featured_media":35037,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,87,387],"tags":[366,448],"class_list":["post-26800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","category-technology","category-trends","tag-javascript-hu","tag-tech-skills-hu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v24.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>5 ok arra, hogy Javascriptet tanulj \u2013 \u00edgy v\u00e1ghatsz bele - Codecool<\/title>\n<meta name=\"description\" content=\"Javascript a legn\u00e9pszer\u0171bb programoz\u00e1si nyelvek \u00e9l\u00e9re ker\u00fclt. 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