2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<p>2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/p>\n<p>Merhaba, ben Fatih Soysal. Yaz\u0131l\u0131m d\u00fcnyas\u0131n\u0131n heyecan verici geli\u015fmelerini takip eden ve tecr\u00fcbelerimi payla\u015fmaktan keyif alan bir geli\u015ftiriciyim. Bug\u00fcn, 2024 y\u0131l\u0131nda her JavaScript projenizde kullanabilece\u011finiz, belki de daha \u00f6nce duymad\u0131\u011f\u0131n\u0131z 10 gizli \u00f6zelli\u011fi inceleyece\u011fiz. Bu \u00f6zellikler, kodunuzu daha temiz, daha performansl\u0131 ve daha okunabilir hale getirecek.<\/p>\n<h2>1. Optional Chaining (?.)<\/h2>\n<p>Optional chaining, nesne \u00f6zelliklerine eri\u015firken null veya undefined de\u011ferlerle kar\u015f\u0131la\u015ft\u0131\u011f\u0131n\u0131zda hata almay\u0131 \u00f6nlemenizi sa\u011flar. \u00d6rne\u011fin, <code>user?.address?.street<\/code> yazarsan\u0131z, <code>user<\/code>, <code>address<\/code> veya <code>street<\/code> tan\u0131ml\u0131 de\u011filse, hata yerine <code>undefined<\/code> de\u011feri d\u00f6ner. Bu sayede, uzun ve karma\u015f\u0131k ko\u015fullu ifadelerden kurtulur, kodunuz daha temiz ve okunabilir olur. <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Operators\/Optional_chaining\">Daha fazla bilgi i\u00e7in t\u0131klay\u0131n\u0131z.<\/a><\/p>\n<h2>2. Nullish Coalescing Operator (??)<\/h2>\n<p>Nullish coalescing operat\u00f6r\u00fc (??), de\u011ferin null veya undefined olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer \u00f6yleyse, sa\u011f taraftaki de\u011feri d\u00f6nd\u00fcr\u00fcr. Bu, varsay\u0131lan de\u011fer atamalar\u0131n\u0131 kolayla\u015ft\u0131r\u0131r. \u00d6rne\u011fin, <code>let name = userName ?? \"Misafir\";<\/code> kodu, <code>userName<\/code> null veya undefined ise “Misafir” de\u011ferini atayacakt\u0131r. Bu, ternary operat\u00f6r\u00fcne g\u00f6re daha okunabilir bir alternatiftir. <\/p>\n<h2>3. BigInt<\/h2>\n<p>JavaScript’te, normal say\u0131sal de\u011fi\u015fkenler <code>Number<\/code> tipindedir ve 2^53-1’den b\u00fcy\u00fck say\u0131lar\u0131 do\u011fru \u015fekilde temsil edemezler. <code>BigInt<\/code>, bu s\u0131n\u0131rlamay\u0131 a\u015far ve istedi\u011finiz kadar b\u00fcy\u00fck say\u0131lar\u0131 destekler. B\u00fcy\u00fck say\u0131larla \u00e7al\u0131\u015fan uygulamalar i\u00e7in son derece kullan\u0131\u015fl\u0131d\u0131r. \u00d6rne\u011fin kriptografi uygulamalar\u0131nda g\u00fcvenle kullan\u0131labilir.<\/p>\n<h2>4. Logical Assignment Operators (&&=, ||=, ??=)<\/h2>\n<p>Mant\u0131ksal atama operat\u00f6rleri, kodunuzu daha k\u0131sa ve \u00f6z hale getirir. <code>&&=<\/code>, sol taraf false ise hi\u00e7bir \u015fey yapmaz, do\u011fru ise sa\u011f taraftaki de\u011feri atar. <code>||=<\/code>, sol taraf false ise sa\u011f taraftaki de\u011feri atar. <code>??=<\/code> ise sol taraf null veya undefined ise sa\u011f taraftaki de\u011feri atar. Bu operat\u00f6rleri kullanarak, kodunuzda gereksiz ifadelerden kurtulursunuz. <\/p>\n<h2>5. `for…of` d\u00f6ng\u00fcs\u00fc<\/h2>\n<p>\u0130terasyon i\u00e7in klasik <code>for<\/code> d\u00f6ng\u00fcs\u00fc yerine <code>for...of<\/code> d\u00f6ng\u00fcs\u00fcn\u00fc kullan\u0131n. Bu d\u00f6ng\u00fc, diziler, haritalar ve di\u011fer yineleyici nesneler \u00fczerinde daha temiz ve okunakl\u0131 bir \u015fekilde yineleme yapman\u0131z\u0131 sa\u011flar. Daha az kod yazman\u0131za ve daha az hata yapman\u0131za yard\u0131mc\u0131 olur. <\/p>\n<h2>6. `Array.from()`<\/h2>\n<p> <code>Array.from()<\/code> metodu, yineleyici nesnelerden (\u00f6rne\u011fin, diziler, stringler, DOM NodeList’ler) yeni bir dizi olu\u015fturman\u0131z\u0131 sa\u011flar. Bu y\u00f6ntem, \u00e7e\u015fitli veri kaynaklar\u0131ndan dizi olu\u015fturmay\u0131 kolayla\u015ft\u0131r\u0131r. Daha \u00f6nce bu i\u015f i\u00e7in u\u011fra\u015fm\u0131\u015f iseniz performans fark\u0131n\u0131 g\u00f6receksiniz.<\/p>\n<h2>7. `Object.entries()` ve `Object.values()`<\/h2>\n<p>Bir nesnenin \u00f6zelliklerini ve de\u011ferlerini ayr\u0131 ayr\u0131 almak i\u00e7in <code>Object.entries()<\/code> ve <code>Object.values()<\/code> metodlar\u0131n\u0131 kullan\u0131n. <code>Object.entries()<\/code> anahtar-de\u011fer \u00e7iftlerini i\u00e7eren bir dizi d\u00f6nd\u00fcr\u00fcrken, <code>Object.values()<\/code> sadece de\u011ferleri d\u00f6nd\u00fcr\u00fcr. Bu metodlar, nesneler \u00fczerinde daha kolay i\u015flem yapman\u0131z\u0131 sa\u011flar. <\/p>\n<h2>8. `String.prototype.replaceAll()`<\/h2>\n<p>Bir string i\u00e7indeki t\u00fcm alt stringleri de\u011fi\u015ftirmek i\u00e7in <code>replaceAll()<\/code> metodunu kullan\u0131n. Bu, daha \u00f6nceki <code>replace()<\/code> metoduna g\u00f6re daha g\u00fc\u00e7l\u00fc ve kullan\u0131\u015fl\u0131 bir y\u00f6ntemdir. <\/p>\n<h2>9. `Promise.allSettled()`<\/h2>\n<p>Birden fazla Promise’i paralel olarak \u00e7al\u0131\u015ft\u0131rmak ve t\u00fcm sonu\u00e7lar\u0131 almak i\u00e7in <code>Promise.allSettled()<\/code> kullan\u0131n. Bu, her Promise’in durumunu (fulfilled veya rejected) ayr\u0131 ayr\u0131 takip etmenizi sa\u011flar, ve t\u00fcm Promise’ler tamamlanana kadar beklemenizi gerektirmez. Bu \u00f6zellik, \u00f6zellikle asenkron i\u015flemlerle \u00e7al\u0131\u015fan uygulamalar i\u00e7in son derece \u00f6nemlidir. <\/p>\n<h2>10. `Array.at()`<\/h2>\n<p>Dizinin belirli bir indeksindeki elemana eri\u015fmek i\u00e7in <code>Array.at()<\/code> metodunu kullanabilirsiniz. Bu y\u00f6ntem, negatif indeksleri de destekler, b\u00f6ylece dizinin sonundan ba\u015flayarak elemanlara eri\u015febilirsiniz. \u00d6rne\u011fin, <code>myArray.at(-1)<\/code> dizinin son eleman\u0131n\u0131 d\u00f6nd\u00fcr\u00fcr. <\/p>\n<p>Bu 10 gizli JavaScript \u00f6zelli\u011fi, kodunuzu daha modern, daha okunabilir ve daha performansl\u0131 hale getirmenize yard\u0131mc\u0131 olacakt\u0131r. Umar\u0131m bu makale, JavaScript geli\u015fim yolculu\u011funuzda size faydal\u0131 olmu\u015ftur. Daha fazla bilgi ve ipucu i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a> adresini ziyaret edebilirsiniz.<\/p>\n<p><img decoding=\"async\" src=\"javascript-logo.png\" alt=\"JavaScript Logo\" width=\"200\"> <\/p>\n<p>#Etiketler: JavaScript, Optional Chaining, Nullish Coalescing, BigInt, Logical Assignment Operators, for…of, Array.from(), Object.entries(), Object.values(), String.replaceAll(), Promise.allSettled(), Array.at(), JavaScript \u00d6zellikleri, JavaScript \u0130pu\u00e7lar\u0131, Web Geli\u015ftirme, 2024 JavaScript Trendleri<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi 2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-4146","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\n<title>2024'te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/title>\n<meta name=\"description\" content=\"Merhaba, ben Fatih Soysal. 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{"id":4146,"date":"2024-11-17T20:00:15","date_gmt":"2024-11-17T17:00:15","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/2024te-her-projede-kullanmaniz-gereken-10-gizli-javascript-ozelligi\/"},"modified":"2024-11-17T20:00:15","modified_gmt":"2024-11-17T17:00:15","slug":"2024te-her-projede-kullanmaniz-gereken-10-gizli-javascript-ozelligi","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/2024te-her-projede-kullanmaniz-gereken-10-gizli-javascript-ozelligi\/","title":{"rendered":"2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi"},"content":{"rendered":"

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\n2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<p>2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/p>\n<p>Merhaba, ben Fatih Soysal. Yaz\u0131l\u0131m d\u00fcnyas\u0131n\u0131n heyecan verici geli\u015fmelerini takip eden ve tecr\u00fcbelerimi payla\u015fmaktan keyif alan bir geli\u015ftiriciyim. Bug\u00fcn, 2024 y\u0131l\u0131nda her JavaScript projenizde kullanabilece\u011finiz, belki de daha \u00f6nce duymad\u0131\u011f\u0131n\u0131z 10 gizli \u00f6zelli\u011fi inceleyece\u011fiz. Bu \u00f6zellikler, kodunuzu daha temiz, daha performansl\u0131 ve daha okunabilir hale getirecek.<\/p>\n<h2>1. Optional Chaining (?.)<\/h2>\n<p>Optional chaining, nesne \u00f6zelliklerine eri\u015firken null veya undefined de\u011ferlerle kar\u015f\u0131la\u015ft\u0131\u011f\u0131n\u0131zda hata almay\u0131 \u00f6nlemenizi sa\u011flar. \u00d6rne\u011fin, <code>user?.address?.street<\/code> yazarsan\u0131z, <code>user<\/code>, <code>address<\/code> veya <code>street<\/code> tan\u0131ml\u0131 de\u011filse, hata yerine <code>undefined<\/code> de\u011feri d\u00f6ner. Bu sayede, uzun ve karma\u015f\u0131k ko\u015fullu ifadelerden kurtulur, kodunuz daha temiz ve okunabilir olur. <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Operators\/Optional_chaining\">Daha fazla bilgi i\u00e7in t\u0131klay\u0131n\u0131z.<\/a><\/p>\n<h2>2. Nullish Coalescing Operator (??)<\/h2>\n<p>Nullish coalescing operat\u00f6r\u00fc (??), de\u011ferin null veya undefined olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer \u00f6yleyse, sa\u011f taraftaki de\u011feri d\u00f6nd\u00fcr\u00fcr. Bu, varsay\u0131lan de\u011fer atamalar\u0131n\u0131 kolayla\u015ft\u0131r\u0131r. \u00d6rne\u011fin, <code>let name = userName ?? \"Misafir\";<\/code> kodu, <code>userName<\/code> null veya undefined ise “Misafir” de\u011ferini atayacakt\u0131r. Bu, ternary operat\u00f6r\u00fcne g\u00f6re daha okunabilir bir alternatiftir. <\/p>\n<h2>3. BigInt<\/h2>\n<p>JavaScript’te, normal say\u0131sal de\u011fi\u015fkenler <code>Number<\/code> tipindedir ve 2^53-1’den b\u00fcy\u00fck say\u0131lar\u0131 do\u011fru \u015fekilde temsil edemezler. <code>BigInt<\/code>, bu s\u0131n\u0131rlamay\u0131 a\u015far ve istedi\u011finiz kadar b\u00fcy\u00fck say\u0131lar\u0131 destekler. B\u00fcy\u00fck say\u0131larla \u00e7al\u0131\u015fan uygulamalar i\u00e7in son derece kullan\u0131\u015fl\u0131d\u0131r. \u00d6rne\u011fin kriptografi uygulamalar\u0131nda g\u00fcvenle kullan\u0131labilir.<\/p>\n<h2>4. Logical Assignment Operators (&&=, ||=, ??=)<\/h2>\n<p>Mant\u0131ksal atama operat\u00f6rleri, kodunuzu daha k\u0131sa ve \u00f6z hale getirir. <code>&&=<\/code>, sol taraf false ise hi\u00e7bir \u015fey yapmaz, do\u011fru ise sa\u011f taraftaki de\u011feri atar. <code>||=<\/code>, sol taraf false ise sa\u011f taraftaki de\u011feri atar. <code>??=<\/code> ise sol taraf null veya undefined ise sa\u011f taraftaki de\u011feri atar. Bu operat\u00f6rleri kullanarak, kodunuzda gereksiz ifadelerden kurtulursunuz. <\/p>\n<h2>5. `for…of` d\u00f6ng\u00fcs\u00fc<\/h2>\n<p>\u0130terasyon i\u00e7in klasik <code>for<\/code> d\u00f6ng\u00fcs\u00fc yerine <code>for...of<\/code> d\u00f6ng\u00fcs\u00fcn\u00fc kullan\u0131n. Bu d\u00f6ng\u00fc, diziler, haritalar ve di\u011fer yineleyici nesneler \u00fczerinde daha temiz ve okunakl\u0131 bir \u015fekilde yineleme yapman\u0131z\u0131 sa\u011flar. Daha az kod yazman\u0131za ve daha az hata yapman\u0131za yard\u0131mc\u0131 olur. <\/p>\n<h2>6. `Array.from()`<\/h2>\n<p> <code>Array.from()<\/code> metodu, yineleyici nesnelerden (\u00f6rne\u011fin, diziler, stringler, DOM NodeList’ler) yeni bir dizi olu\u015fturman\u0131z\u0131 sa\u011flar. Bu y\u00f6ntem, \u00e7e\u015fitli veri kaynaklar\u0131ndan dizi olu\u015fturmay\u0131 kolayla\u015ft\u0131r\u0131r. Daha \u00f6nce bu i\u015f i\u00e7in u\u011fra\u015fm\u0131\u015f iseniz performans fark\u0131n\u0131 g\u00f6receksiniz.<\/p>\n<h2>7. `Object.entries()` ve `Object.values()`<\/h2>\n<p>Bir nesnenin \u00f6zelliklerini ve de\u011ferlerini ayr\u0131 ayr\u0131 almak i\u00e7in <code>Object.entries()<\/code> ve <code>Object.values()<\/code> metodlar\u0131n\u0131 kullan\u0131n. <code>Object.entries()<\/code> anahtar-de\u011fer \u00e7iftlerini i\u00e7eren bir dizi d\u00f6nd\u00fcr\u00fcrken, <code>Object.values()<\/code> sadece de\u011ferleri d\u00f6nd\u00fcr\u00fcr. Bu metodlar, nesneler \u00fczerinde daha kolay i\u015flem yapman\u0131z\u0131 sa\u011flar. <\/p>\n<h2>8. `String.prototype.replaceAll()`<\/h2>\n<p>Bir string i\u00e7indeki t\u00fcm alt stringleri de\u011fi\u015ftirmek i\u00e7in <code>replaceAll()<\/code> metodunu kullan\u0131n. Bu, daha \u00f6nceki <code>replace()<\/code> metoduna g\u00f6re daha g\u00fc\u00e7l\u00fc ve kullan\u0131\u015fl\u0131 bir y\u00f6ntemdir. <\/p>\n<h2>9. `Promise.allSettled()`<\/h2>\n<p>Birden fazla Promise’i paralel olarak \u00e7al\u0131\u015ft\u0131rmak ve t\u00fcm sonu\u00e7lar\u0131 almak i\u00e7in <code>Promise.allSettled()<\/code> kullan\u0131n. Bu, her Promise’in durumunu (fulfilled veya rejected) ayr\u0131 ayr\u0131 takip etmenizi sa\u011flar, ve t\u00fcm Promise’ler tamamlanana kadar beklemenizi gerektirmez. Bu \u00f6zellik, \u00f6zellikle asenkron i\u015flemlerle \u00e7al\u0131\u015fan uygulamalar i\u00e7in son derece \u00f6nemlidir. <\/p>\n<h2>10. `Array.at()`<\/h2>\n<p>Dizinin belirli bir indeksindeki elemana eri\u015fmek i\u00e7in <code>Array.at()<\/code> metodunu kullanabilirsiniz. Bu y\u00f6ntem, negatif indeksleri de destekler, b\u00f6ylece dizinin sonundan ba\u015flayarak elemanlara eri\u015febilirsiniz. \u00d6rne\u011fin, <code>myArray.at(-1)<\/code> dizinin son eleman\u0131n\u0131 d\u00f6nd\u00fcr\u00fcr. <\/p>\n<p>Bu 10 gizli JavaScript \u00f6zelli\u011fi, kodunuzu daha modern, daha okunabilir ve daha performansl\u0131 hale getirmenize yard\u0131mc\u0131 olacakt\u0131r. Umar\u0131m bu makale, JavaScript geli\u015fim yolculu\u011funuzda size faydal\u0131 olmu\u015ftur. Daha fazla bilgi ve ipucu i\u00e7in <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a> adresini ziyaret edebilirsiniz.<\/p>\n<p><img decoding=\"async\" src=\"javascript-logo.png\" alt=\"JavaScript Logo\" width=\"200\"> <\/p>\n<p>#Etiketler: JavaScript, Optional Chaining, Nullish Coalescing, BigInt, Logical Assignment Operators, for…of, Array.from(), Object.entries(), Object.values(), String.replaceAll(), Promise.allSettled(), Array.at(), JavaScript \u00d6zellikleri, JavaScript \u0130pu\u00e7lar\u0131, Web Geli\u015ftirme, 2024 JavaScript Trendleri<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi 2024’te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi…","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-4146","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\n<title>2024'te Her Projede Kullanman\u0131z Gereken 10 Gizli JavaScript \u00d6zelli\u011fi<\/title>\n<meta name=\"description\" content=\"Merhaba, ben Fatih Soysal. 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