{"id":23039,"date":"2018-10-26T16:19:14","date_gmt":"2018-10-26T13:19:14","guid":{"rendered":"http:\/\/www.webcodegeeks.com\/?p=23039"},"modified":"2018-10-26T16:22:54","modified_gmt":"2018-10-26T13:22:54","slug":"javascript-array-filter-method","status":"publish","type":"post","link":"https:\/\/www.webcodegeeks.com\/javascript\/javascript-array-filter-method\/","title":{"rendered":"JavaScript Array filter() method Example"},"content":{"rendered":"<p>Greetings readers, in this tutorial, we will show how to use the JavaScript scripting language and the <em>Array.filter()<\/em> method.<\/p>\n<h2>1. Introduction<\/h2>\n<p><strong>JavaScript<\/strong> is an object-oriented programming language that allows the <em>client-side scripting<\/em> to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes:<\/p>\n<ul>\n<li>Declaring variables<\/li>\n<li>Maintaining the retrieving values<\/li>\n<li>Defining and invoking functions<\/li>\n<li>Defining classes<\/li>\n<li>Load and use external modules<\/li>\n<li>Define event handlers<\/li>\n<li>And much more \u2026.<\/li>\n<\/ul>\n<p>[ulp id=&#8217;tCIwOngQUb3zSUuF&#8217;]<\/p>\n<h3>1.1 Advantages of JavaScript Language<\/h3>\n<p>The pros of using the JavaScript scripting language are:<\/p>\n<ul>\n<li>JavaScript is easy to learn<\/li>\n<li>It executes on client&#8217;s browser, so eliminates the server-side processing and be executed on any OS<\/li>\n<li>JavaScript can be used with any type of web page e.g. PHP, ASP.NET, Perl etc<\/li>\n<li>Web-page performance increases due to client-side execution<\/li>\n<li>JavaScript code can be minified to decrease the loading time from the server<\/li>\n<li>Many JavaScript-based application frameworks are available in the market to create Single page web applications e.g. AngularJS, ReactJS etc.<\/li>\n<\/ul>\n<h3>1.2 Disadvantages of JavaScript Language<\/h3>\n<p>The cons of using the JavaScript scripting language are:<\/p>\n<ul>\n<li>No support for networking applications<\/li>\n<li>Does not have any multi-threading or multi-processing capabilities<\/li>\n<li>Does not allow the file reading and writing capabilities<\/li>\n<\/ul>\n<h2>1.3 JavaScript Array filter() method<\/h2>\n<p>The <code>filter()<\/code> method creates a new array with the elements that fall under a given condition from an existing array. Over here represents the simple syntax to practice this method.<\/p>\n<p><span style=\"text-decoration: underline;\"><em>Snippet<\/em><\/span><\/p>\n<pre class=\"brush:js; wrap-lines:false;\">var new_array = orig_array.filter(function(item) {\r\n  return condition;\r\n});\r\n<\/pre>\n<p>Make <em>note<\/em>, the argument is a required function that defines the condition to be checked for each element in the original array. Important points:<\/p>\n<ul>\n<li>This function does not change the original array<\/li>\n<li>This function returns an array containing the filtered array elements. If no element passes the test, it returns an empty array<\/li>\n<\/ul>\n<p>These new APIs make a developer life easier, really! However, it would be difficult for a beginner to understand this without an example. Therefore, let us create a simple application using the JavaScript scripting language.<\/p>\n<h2>2. JavaScript Array filter() Example<\/h2>\n<p>Here is a systematic guide for implementing this tutorial using the JavaScript language.<\/p>\n<h3>2.1 Tools Used<\/h3>\n<p>We are using Eclipse Kepler SR2, JDK 8 and Maven. Having said that, we have tested the code against JDK 1.7 and it works well.<\/p>\n<h3>2.2 Project Structure<\/h3>\n<p>Firstly, let us review the final project structure if you are confused about where you should create the corresponding files or folder later!<\/p>\n<figure id=\"attachment_23040\" aria-describedby=\"caption-attachment-23040\" style=\"width: 277px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_structure_guide_1.jpg\"><img decoding=\"async\" class=\"wp-image-23040 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_structure_guide_1.jpg\" alt=\"JavaScript Array filter() - Application Project Structure\" width=\"277\" height=\"252\" \/><\/a><figcaption id=\"caption-attachment-23040\" class=\"wp-caption-text\">Fig. 1: Application Project Structure<\/figcaption><\/figure>\n<h3>2.3 Project Creation<\/h3>\n<p>This section will show on how to create a Java-based Maven project with Eclipse. In Eclipse Ide, go to <code>File -&gt; New -&gt; Maven Project<\/code>.<\/p>\n<figure id=\"attachment_23041\" aria-describedby=\"caption-attachment-23041\" style=\"width: 657px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_1.jpg\"><img decoding=\"async\" class=\"wp-image-23041 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_1.jpg\" alt=\"JavaScript Array filter() - Create a Maven Project\" width=\"657\" height=\"690\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_1.jpg 657w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_1-286x300.jpg 286w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><\/a><figcaption id=\"caption-attachment-23041\" class=\"wp-caption-text\">Fig. 2: Create a Maven Project<\/figcaption><\/figure>\n<p>In the New Maven Project window, it will ask you to select the project location. By default, &#8216;Use default workspace location&#8217; will be selected. Just click on the next button to proceed.<\/p>\n<figure id=\"attachment_23042\" aria-describedby=\"caption-attachment-23042\" style=\"width: 598px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_2.jpg\"><img decoding=\"async\" class=\"wp-image-23042 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_2.jpg\" alt=\"JavaScript Array filter() - Project Details\" width=\"598\" height=\"543\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_2.jpg 598w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_2-300x272.jpg 300w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><\/a><figcaption id=\"caption-attachment-23042\" class=\"wp-caption-text\">Fig. 3: Project Details<\/figcaption><\/figure>\n<p>Select the &#8216;Maven Web App&#8217; Archetype from the list of options and click next.<\/p>\n<figure id=\"attachment_23043\" aria-describedby=\"caption-attachment-23043\" style=\"width: 515px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_3.jpg\"><img decoding=\"async\" class=\"wp-image-23043 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_3.jpg\" alt=\"JavaScript Array filter() - Archetype Selection\" width=\"515\" height=\"541\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_3.jpg 515w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_3-286x300.jpg 286w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><\/a><figcaption id=\"caption-attachment-23043\" class=\"wp-caption-text\">Fig. 4: Archetype Selection<\/figcaption><\/figure>\n<p>It will ask you to &#8216;Enter the group and the artifact id for the project&#8217;. We will input the details as shown in the below image. The version number will be by default: <code>0.0.1-SNAPSHOT<\/code>.<\/p>\n<figure id=\"attachment_23044\" aria-describedby=\"caption-attachment-23044\" style=\"width: 584px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_4.jpg\"><img decoding=\"async\" class=\"wp-image-23044 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_4.jpg\" alt=\"JavaScript Array filter() - Archetype Parameters\" width=\"584\" height=\"537\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_4.jpg 584w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_guide_4-300x276.jpg 300w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/a><figcaption id=\"caption-attachment-23044\" class=\"wp-caption-text\">Fig. 5: Archetype Parameters<\/figcaption><\/figure>\n<p>Click on Finish and the creation of a maven project is completed. If you see, it has downloaded the maven dependencies and a <code>pom.xml<\/code> file will be created. It will have the following code:<\/p>\n<p><span style=\"text-decoration: underline;\"><em>pom.xml<\/em><\/span><\/p>\n<pre class=\"brush:xml; wrap-lines:false;\">&lt;project xmlns=\"http:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\" xsi:schemaLocation=\"http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\"&gt;\r\n\t&lt;modelVersion&gt;4.0.0&lt;\/modelVersion&gt;\r\n\t&lt;groupId&gt;com.javascript&lt;\/groupId&gt;\r\n\t&lt;artifactId&gt;JavaScriptArrayFilter&lt;\/artifactId&gt;\r\n\t&lt;version&gt;0.0.1-SNAPSHOT&lt;\/version&gt;\r\n\t&lt;packaging&gt;war&lt;\/packaging&gt;\r\n&lt;\/project&gt;\r\n<\/pre>\n<h2>3. Application Building<\/h2>\n<p>Let us create an application to understand the basic building blocks of this tutorial.<\/p>\n<h3>3.1 Define the HTML<\/h3>\n<p>Let us write a simple index page in the <code>JavaScriptArrayFilter\/src\/main\/webapp\/<\/code> folder. Add the following code to it:<\/p>\n<p><span style=\"text-decoration: underline;\"><em>index.jsp<\/em><\/span><\/p>\n<pre class=\"brush:html; wrap-lines:false;\">&lt;!------ JavaScript Array filter() Example ------&gt;\r\n&lt;div class=\"form-group\"&gt;\r\n&lt;!-- Franchise selection drop-down. --&gt;\r\n&lt;label class=\"col-sm-2 control-label pt6\"&gt;Select franchise:&lt;\/label&gt;\r\n&lt;div class=\"col-sm-2\"&gt;\r\n   &lt;select id=\"hero_idx\" class=\"form-control\" onchange=\"heros();\"&gt;\r\n\t  &lt;option value=\"marvel\"&gt;Marvel&lt;\/option&gt;\r\n\t  &lt;option value=\"dc\"&gt;DC&lt;\/option&gt;\r\n   &lt;\/select&gt;\r\n&lt;\/div&gt;\r\n&lt;\/div&gt;\r\n&lt;div&gt;\u00a0&lt;\/div&gt;&lt;div&gt;\u00a0&lt;\/div&gt;\r\n\r\n&lt;h4 id=\"result\" class=\"text-info\"&gt;&lt;\/h4&gt;\r\n<\/pre>\n<h3>3.2 Define the JavaScript function<\/h3>\n<p>Let us write a simple javascript function that takes the value from the drop-down and executes the filter function. Add the following code to it:<\/p>\n<p><span style=\"text-decoration: underline;\"><em>JavaScript function<\/em><\/span><\/p>\n<pre class=\"brush:js; wrap-lines:false;\">function heros() {\r\n let list = \"\";\r\n let hero = document.getElementById(\"hero_idx\").value;\r\n if (hero == \"dc\") {\r\n\t list = heroes.filter(function(hero) {\r\n\t\t return hero.franchise == \"dc\";\r\n\t });\r\n } else {\r\n\t list = heroes.filter(function(hero) {\r\n\t\t return hero.franchise == 'marvel';\r\n\t });\r\n }\r\n\r\n \/\/ Printing the array object to the html!\r\n var html = \"&lt;ul&gt;\";\r\n for (var i = 0; i &lt; list.length; i++) {\r\n\t html += \"&lt;li&gt;\" + list[i].name + \"&lt;\/li&gt;\";\r\n }\r\n html += \"&lt;\/ul&gt;\";\r\n\r\n document.getElementById(\"result\").innerHTML = html;\r\n}\r\n<\/pre>\n<h3>3.3 First application<\/h3>\n<p>Complete the above steps and save the file. Let us see the sample code snippet.<\/p>\n<p><span style=\"text-decoration: underline;\"><em>index.jsp<\/em><\/span><\/p>\n<pre class=\"brush: html; wrap-lines:false;\">&lt;!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/html4\/loose.dtd\"&gt;\r\n&lt;html&gt;\r\n   &lt;head&gt;\r\n      &lt;title&gt;Index page&lt;\/title&gt;\r\n      &lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=ISO-8859-1\"&gt;\r\n      &lt;link rel=\"stylesheet\" href=\"https:\/\/maxcdn.bootstrapcdn.com\/bootstrap\/3.3.7\/css\/bootstrap.min.css\"&gt;\r\n      &lt;script type=\"text\/javascript\"&gt;\r\n         let heroes = [\r\n\t\t\t{name:'Batman',franchise:'dc'},\r\n\t\t\t{name:'Ironman',franchise:'marvel'},\r\n\t\t\t{name:'Thor',franchise:'marvel'},\r\n\t\t\t{name:'Superman',franchise:'dc'},\r\n\t\t\t{name:'Spiderman',franchise:'marvel'},\r\n\t\t\t{name:'Joker',franchise:'dc'},\r\n\t\t\t{name:'Deadpool',franchise:'marvel'},\r\n\t\t\t{name:'Hal Jordan',franchise:'dc'},\r\n\t\t\t{name:'Black Panther',franchise:'marvel'},\r\n\t\t\t{name:'Captain America',franchise:'marvel'},\r\n\t\t\t{name:'Aquaman',franchise:'dc'}\r\n\t\t];\r\n         \r\n         function heros() {\r\n             let list = \"\";\r\n             let hero = document.getElementById(\"hero_idx\").value;\r\n             if (hero == \"dc\") {\r\n                 list = heroes.filter(function(hero) {\r\n                     return hero.franchise == \"dc\";\r\n                 });\r\n             } else {\r\n                 list = heroes.filter(function(hero) {\r\n                     return hero.franchise == 'marvel';\r\n                 });\r\n             }\r\n         \r\n             \/\/ Printing the array object to the html!\r\n             var html = \"&lt;ul&gt;\";\r\n             for (var i = 0; i &lt; list.length; i++) {\r\n                 html += \"&lt;li&gt;\" + list[i].name + \"&lt;\/li&gt;\";\r\n             }\r\n             html += \"&lt;\/ul&gt;\";\r\n         \r\n             document.getElementById(\"result\").innerHTML = html;\r\n         }\r\n      &lt;\/script&gt;\r\n      &lt;style type=\"text\/css\"&gt;\r\n         #result {\r\n         \tmargin-left: 16px;\r\n         }\r\n      &lt;\/style&gt;\r\n   &lt;\/head&gt;\r\n   &lt;body&gt;\r\n      &lt;div class=\"container\"&gt;\r\n         &lt;h2 align=\"center\" class=\"text-danger\"&gt;JavaScript Array filter() Example&lt;\/h2&gt;\r\n         &lt;hr \/&gt;\r\n         &lt;!------ JavaScript Array filter() Example ------&gt;\r\n         &lt;div class=\"form-group\"&gt;\r\n            &lt;!-- Franchise selection drop-down. --&gt;\r\n            &lt;label class=\"col-sm-2 control-label pt6\"&gt;Select franchise:&lt;\/label&gt;\r\n            &lt;div class=\"col-sm-2\"&gt;\r\n               &lt;select id=\"hero_idx\" class=\"form-control\" onchange=\"heros();\"&gt;\r\n                  &lt;option value=\"marvel\"&gt;Marvel&lt;\/option&gt;\r\n                  &lt;option value=\"dc\"&gt;DC&lt;\/option&gt;\r\n               &lt;\/select&gt;\r\n            &lt;\/div&gt;\r\n         &lt;\/div&gt;\r\n         &lt;div&gt;\u00a0&lt;\/div&gt;&lt;div&gt;\u00a0&lt;\/div&gt;\r\n\t\t \r\n         &lt;h4 id=\"result\" class=\"text-info\"&gt;&lt;\/h4&gt;\r\n      &lt;\/div&gt;\r\n   &lt;\/body&gt;\r\n&lt;\/html&gt;\r\n<\/pre>\n<h2>4. Run the Application<\/h2>\n<p>As we are ready for all the changes, let us compile the project and deploy the application on the Tomcat7 server. To deploy the application on Tomat7, right-click on the project and navigate to <code>Run as -&gt; Run on Server<\/code>.<\/p>\n<figure id=\"attachment_23045\" aria-describedby=\"caption-attachment-23045\" style=\"width: 785px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_deploy_guide_1.jpg\"><img decoding=\"async\" class=\"wp-image-23045 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_deploy_guide_1.jpg\" alt=\"JavaScript Array filter() - How to Deploy Application on Tomcat\" width=\"785\" height=\"410\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_deploy_guide_1.jpg 785w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_deploy_guide_1-300x157.jpg 300w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_deploy_guide_1-768x401.jpg 768w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/a><figcaption id=\"caption-attachment-23045\" class=\"wp-caption-text\">Fig. 6: How to Deploy Application on Tomcat<\/figcaption><\/figure>\n<p>Tomcat will deploy the application in its web-apps folder and shall start its execution to deploy the project so that we can go ahead and test it in the browser.<\/p>\n<h2>5. Project Demo<\/h2>\n<p>Open your favorite browser and hit the following URL to display the application\u2019s index page as shown in Fig. 7.<\/p>\n<pre class=\"brush:plain; wrap-lines:false;\">http:\/\/localhost:8082\/JavaScriptArrayFilter\/<\/pre>\n<p>Server name (localhost) and port (8082) may vary as per your Tomcat configuration.<\/p>\n<figure id=\"attachment_23046\" aria-describedby=\"caption-attachment-23046\" style=\"width: 818px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_1.jpg\"><img decoding=\"async\" class=\"wp-image-23046 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_1.jpg\" alt=\"JavaScript Array filter() - Index page\" width=\"818\" height=\"162\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_1.jpg 818w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_1-300x59.jpg 300w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_1-768x152.jpg 768w\" sizes=\"(max-width: 818px) 100vw, 818px\" \/><\/a><figcaption id=\"caption-attachment-23046\" class=\"wp-caption-text\">Fig. 7: Index page<\/figcaption><\/figure>\n<p>Users can <em>select the values<\/em> from the dropdown and the hero&#8217;s list will be shown to the user.<\/p>\n<figure id=\"attachment_23047\" aria-describedby=\"caption-attachment-23047\" style=\"width: 818px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_2.jpg\"><img decoding=\"async\" class=\"wp-image-23047 size-full\" src=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_2.jpg\" alt=\"JavaScript Array filter() - Output\" width=\"818\" height=\"178\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_2.jpg 818w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_2-300x65.jpg 300w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/js_arrayfilter_project_demo_guide_2-768x167.jpg 768w\" sizes=\"(max-width: 818px) 100vw, 818px\" \/><\/a><figcaption id=\"caption-attachment-23047\" class=\"wp-caption-text\">Fig. 8: Output<\/figcaption><\/figure>\n<p>That is all for this tutorial and I hope the article served you whatever you were looking for. Happy Learning and do not forget to share!<\/p>\n<h2>6. Conclusion<\/h2>\n<p>In this section, developers learned how to create a simple application with the JavaScript language. Developers can download the sample application as an Eclipse project in the <a href=\"#projectDownload\">Downloads<\/a> section.<\/p>\n<h2><a name=\"projectDownload\"><\/a>7. Download the Eclipse Project<\/h2>\n<p>This was an example of <em>JavaScript Array Filter<\/em> for the beginners.<\/p>\n<div class=\"download\"><strong>Download<\/strong><br \/>\nYou can download the full source code of this example here: <a href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2018\/10\/JavaScriptArrayFilter.zip\" target=\"_blank\" rel=\"noopener\"><strong>JavaScriptArrayFilter<\/strong><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Greetings readers, in this tutorial, we will show how to use the JavaScript scripting language and the Array.filter() method. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, &hellip;<\/p>\n","protected":false},"author":2162,"featured_media":920,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[82],"class_list":["post-23039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-javascript"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JavaScript Array filter() method Example - Web Code Geeks - 2026<\/title>\n<meta name=\"description\" content=\"Interested to learn more about JavaScript? Then check out our detailed example on JavaScript Array filter()! 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