{"id":25579497,"date":"2024-03-26T10:04:15","date_gmt":"2024-03-26T04:34:15","guid":{"rendered":"https:\/\/entri.app\/blog\/?p=25579497"},"modified":"2024-03-26T10:04:15","modified_gmt":"2024-03-26T04:34:15","slug":"essential-jquery-concepts-every-developer-should-know","status":"publish","type":"post","link":"https:\/\/entri.app\/blog\/essential-jquery-concepts-every-developer-should-know\/","title":{"rendered":"Essential  jQuery Concepts Every Developer Should Know (2024 Guide)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69eaa326698c2\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69eaa326698c2\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/entri.app\/blog\/essential-jquery-concepts-every-developer-should-know\/#What_Is_jQuery\" >What Is jQuery?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/entri.app\/blog\/essential-jquery-concepts-every-developer-should-know\/#Top_jQuery_Concept_That_Every_Developer_Should_Know\" >Top jQuery Concept That Every Developer Should Know<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/entri.app\/blog\/essential-jquery-concepts-every-developer-should-know\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<p>Possessing a toolbox full of helpful resources will help web developers work more efficiently and give their projects more potent functionality. The well-known JavaScript library jQuery has a large number of plugins that make routine jobs easier and give ready-made solutions for a variety of web development requirements.\u00a0 In this article we are including the topics like what is jQuery and the top jQuery concepts every developer should know.<\/p>\n<p style=\"text-align: center\"><strong><a href=\"https:\/\/entri.app\/course\/full-stack-developer-course\/\" target=\"_blank\" rel=\"noopener\">\u00a0Learn to code from industry experts! Get a free Demo here!<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_jQuery\"><\/span><strong>What Is jQuery?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>jQuery is a feature-rich, compact, and speedy JavaScript library. For quick web development, it makes many jobs easier, including as navigating and manipulating HTML documents, event management, animation, and AJAX interactions. The syntax of jQuery is made to facilitate the creation of Ajax applications, animations, event handling, page navigation, and DOM element selection.<\/p>\n<p>For many years, jQuery has been a key component in making web development easier, particularly when it comes to DOM manipulation and AJAX interactions. However, the use of jQuery has decreased recently due to improvements in contemporary JavaScript and the emergence of frontend frameworks like React, Angular, and Vue.js. Nevertheless, developers who value its simplicity and convenience of use as well as those who maintain legacy codebases continue to find it useful.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Top_jQuery_Concept_That_Every_Developer_Should_Know\"><\/span><strong>Top jQuery Concept That Every Developer Should Know<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>jQuery is a popular JavaScript library, still widely used for DOM manipulation and streamlining AJAX queries, . Though jQuery has been replaced by a number of contemporary frameworks and tools, JavaScript has nevertheless undergone tremendous evolution over time. It is still helpful, though, to grasp jQuery, particularly if you are working on projects that use it or are responsible for maintaining legacy codebases. By 2024, every developer should be familiar with these fundamental jQuery concepts:<\/p>\n<h4><strong>DOM Manipulation<\/strong><\/h4>\n<p>The main advantage of jQuery is its effectiveness in manipulating the Document Object Model (DOM). The selectors and techniques for navigating and modifying DOM components provided by jQuery should be known to developers.<\/p>\n<p>Example:<\/p>\n<p><span class=\"hljs-comment\">\/\/ Selecting elements<\/span> $(<span class=\"hljs-string\">&#8216;#myElement&#8217;<\/span>)<\/p>\n<p><span class=\"hljs-comment\">\/\/ Manipulating CSS<\/span> $(<span class=\"hljs-string\">&#8216;#myElement&#8217;<\/span>).<span class=\"hljs-title function_\">css<\/span>(<span class=\"hljs-string\">&#8216;color&#8217;<\/span>, <span class=\"hljs-string\">&#8216;red&#8217;<\/span>);<\/p>\n<p><span class=\"hljs-comment\">\/\/ Handling events<\/span> $(<span class=\"hljs-string\">&#8216;#myButton&#8217;<\/span>).<span class=\"hljs-title function_\">click<\/span>(<span class=\"hljs-keyword\">function<\/span>()<\/p>\n<p>{ <span class=\"hljs-title function_\">alert<\/span>(<span class=\"hljs-string\">&#8216;Button clicked!&#8217;<\/span>);<\/p>\n<p>});<\/p>\n<p><strong>AJAX<\/strong><\/p>\n<p>Developers may now fetch data from a server without requiring a page reload, thanks to jQuery&#8217;s AJAX capabilities for asynchronous HTTP queries. Even though there are more and more popular alternatives like Fetch API and Axios, understanding jQuery AJAX is still necessary for maintaining current codebases.<\/p>\n<p>Example:<\/p>\n<p>$.<span class=\"hljs-title function_\">ajax<\/span>({<\/p>\n<p><span class=\"hljs-attr\">url<\/span>: <span class=\"hljs-string\">&#8216;example.com\/data&#8217;<\/span>,<\/p>\n<p><span class=\"hljs-attr\">method<\/span>: <span class=\"hljs-string\">&#8216;GET&#8217;<\/span>,<\/p>\n<p><span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">response<\/span>)<\/p>\n<p>{ <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(response);<\/p>\n<p>},<\/p>\n<p><span class=\"hljs-attr\">error<\/span>: <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">xhr, status, error<\/span>)<\/p>\n<p>{<\/p>\n<p><span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">error<\/span>(error); }<\/p>\n<p>});<\/p>\n<p style=\"text-align: center\"><a class=\"lead-pdf-download\" href=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/08\/Full-Stack-Web-3.pdf\" data-url=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2022\/08\/Full-Stack-Web-3.pdf\" data-id=\"25556852\"><strong>Download Full Stack Development Course Syllabus!<\/strong><\/a><\/p>\n<h4><strong>Event Handling<\/strong><\/h4>\n<p style=\"text-align: center\">By offering shorthand methods like click(), hover(), and on() as well as methods like on(), jQuery makes event handling easier. Effective event handling also requires an understanding of event delegation.<\/p>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-javascript\"><\/code><\/div>\n<p>Example:<\/p>\n<p><span class=\"hljs-comment\">\/\/ Event delegation<\/span> $(<span class=\"hljs-string\">&#8216;#parentElement&#8217;<\/span>).<span class=\"hljs-title function_\">on<\/span>(<span class=\"hljs-string\">&#8216;click&#8217;<\/span>, <span class=\"hljs-string\">&#8216;.childElement&#8217;<\/span>, <span class=\"hljs-keyword\">function<\/span>() {<\/p>\n<p><span class=\"hljs-comment\">\/\/ Do something<\/span><\/p>\n<p>});<\/p>\n<h4><strong>Utility Functions<\/strong><\/h4>\n<p>Utility functions like $.each(), $.extend(), and working with arrays ($.grep(), $.map(), etc.) are just a few of the commonly performed jobs that may be made easier with jQuery.<\/p>\n<p>Example:<\/p>\n<p>$.<span class=\"hljs-title function_\">each<\/span>(myArray, <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">index, value<\/span>) {<\/p>\n<p><span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(index + <span class=\"hljs-string\">&#8216;: &#8216;<\/span> + value);<\/p>\n<p>});<\/p>\n<h4><strong>Plugin Development<\/strong><\/h4>\n<p>The plugin design of jQuery lets programmers add more features to the tool. Applications can be enhanced and customized by knowing how to make and use plugins.<\/p>\n<p>Example:<\/p>\n<p>$.fn.<span class=\"hljs-property\">myPlugin<\/span> = <span class=\"hljs-keyword\">function<\/span>()<\/p>\n<p>{<\/p>\n<p><span class=\"hljs-comment\">\/\/ Plugin code here<\/span><\/p>\n<p>};<\/p>\n<p>$(<span class=\"hljs-string\">&#8216;#myElement&#8217;<\/span>).<span class=\"hljs-title function_\">myPlugin<\/span>();<\/p>\n<h4><strong>Effects and Animations<\/strong><\/h4>\n<p>jQuery offers techniques for enhancing web pages with graphics and animations. Understanding jQuery animations can still be helpful, even though performance-wise, CSS animations and contemporary JavaScript approaches are recommended.<\/p>\n<p>Example:<\/p>\n<p>$(<span class=\"hljs-string\">&#8216;#myElement&#8217;<\/span>).<span class=\"hljs-title function_\">fadeIn<\/span>();<\/p>\n<p>$(<span class=\"hljs-string\">&#8216;#myElement&#8217;<\/span>).<span class=\"hljs-title function_\">animate<\/span>({ <span class=\"hljs-attr\">left<\/span>: <span class=\"hljs-string\">&#8216;250px&#8217;<\/span> });<\/p>\n<h4><strong>Promises (Deferred)<\/strong><\/h4>\n<p>jQuery uses the Deferred object to implement promises in a simple way. Even though async\/await syntax and native promises are features of current JavaScript, working with older codebases can benefit from a grasp of Deferred.<\/p>\n<p>Example:<\/p>\n<p><span class=\"hljs-keyword\">var<\/span> deferred = $.<span class=\"hljs-title class_\">Deferred<\/span>();<\/p>\n<p>deferred.<span class=\"hljs-title function_\">resolve<\/span>(<span class=\"hljs-string\">&#8216;Data fetched successfully&#8217;<\/span>);<\/p>\n<p>deferred.<span class=\"hljs-title function_\">done<\/span>(<span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">data<\/span>)<\/p>\n<p>{ <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(data);<\/p>\n<p>});<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>However, jquery still remains relevant even after the evolution of modern javascript and browser API&#8217;s in the web development technology. The extensive libraries of methods and functions are still continues to be used and chosen by most of the web developers. By understanding the basic concepts of jquery and making use of it in the projects will ensure an effective progress in the web development process.<\/p>\n<p style=\"text-align: center\"><strong><a href=\"https:\/\/entri.app\/course\/full-stack-developer-course\/\" target=\"_blank\" rel=\"noopener\">\u00a0<\/a><\/strong><strong><a href=\"https:\/\/entri.app\/course\/full-stack-developer-course\/\" target=\"_blank\" rel=\"noopener\">Learn to code from industry experts! 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The well-known JavaScript library jQuery has a large number of plugins that make routine jobs easier and give ready-made solutions for a variety of web development requirements.\u00a0 In this article we are including the [&hellip;]<\/p>\n","protected":false},"author":116,"featured_media":25579501,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[802,1841,1926],"tags":[],"class_list":["post-25579497","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-entri-skilling","category-full-stack-web-development"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>jQuery and the top jQuery concepts - Entri Blog<\/title>\n<meta name=\"description\" content=\"Essential jQuery Concepts Every Developer Should Know what is jquery and the top jquery concepts includes event handling ajax\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/entri.app\/blog\/essential-jquery-concepts-every-developer-should-know\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"jQuery and the top jQuery concepts - 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