{"id":24159,"date":"2019-02-28T16:15:41","date_gmt":"2019-02-28T14:15:41","guid":{"rendered":"http:\/\/www.webcodegeeks.com\/?p=24159"},"modified":"2019-02-27T20:40:19","modified_gmt":"2019-02-27T18:40:19","slug":"javascript-array-iteration-methods-example","status":"publish","type":"post","link":"https:\/\/www.webcodegeeks.com\/javascript\/javascript-array-iteration-methods-example\/","title":{"rendered":"JavaScript Array Iteration Methods Example"},"content":{"rendered":"<p>Greetings readers, in this tutorial, we will explore the <strong>Array iteration methods<\/strong> in the javascript.<\/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 the 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>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<h3>1.3 Array Iteration methods in javascript language<\/h3>\n<p>Following table shows the different array methods in the javascript language.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">Method<\/th>\n<th style=\"text-align: center;\">Description<\/th>\n<th style=\"text-align: center;\">Example<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>Array.forEach()<\/code><\/td>\n<td>This method calls a callback function once for each array element.<\/td>\n<td><code>myarray.forEach(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.map()<\/code><\/td>\n<td>This method creates a new array by performing a function on each element of the array. It does not change the original array.<\/td>\n<td><code>myarray.forEach(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.filter()<\/code><\/td>\n<td>This method creates a new array with elements that pass the test.<\/td>\n<td><code>myarray.filter(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.reduce()<\/code><\/td>\n<td>This method runs a function on each element to produce a single value and it works from <em>left-to-right<\/em> in the array. Do <em>note<\/em>, this method does not reduce the original array.<\/td>\n<td><code>myarray.reduce(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.reduceRight()<\/code><\/td>\n<td>This method runs a function on each element to produce a single value and it works from <em>right-to-left<\/em> in the array. Do <em>note<\/em>, this method does not reduce the original array.<\/td>\n<td><code>myarray.reduceRight(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.every()<\/code><\/td>\n<td>This method checks if all the values of an array pass the test.<\/td>\n<td><code>myarray.every(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.some()<\/code><\/td>\n<td>This method checks if some values of an array pass the test.<\/td>\n<td><code>myarray.some(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.find()<\/code><\/td>\n<td>This method returns the value of the first array element that pass a test function.<\/td>\n<td><code>myarray.find(myfunction);<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>Array.findIndex()<\/code><\/td>\n<td>This method returns the index of the first array element that pass a test function.<\/td>\n<td><code>myarray.findIndex(myfunction);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>2. JavaScript Array Iteration Methods Example<\/h2>\n<p>Here is a systematic guide for implementing this tutorial.<\/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\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"388\" height=\"287\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-structure-guide-img-1.jpg\" alt=\"JavaScript Array Iteration Methods - Project Structure\" class=\"wp-image-24160\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-structure-guide-img-1.jpg 388w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-structure-guide-img-1-300x222.jpg 300w\" sizes=\"(max-width: 388px) 100vw, 388px\" \/><figcaption>Fig. 1: Application Project Structure<\/figcaption><\/figure><\/div>\n\n\n<h3>2.3 Project Creation<\/h3>\n<p>This section will show 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\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"657\" height=\"690\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-1.jpg\" alt=\"JavaScript Array Iteration Methods - Maven Project\" class=\"wp-image-24161\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-1.jpg 657w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-1-286x300.jpg 286w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><figcaption>Fig. 2: Create a Maven Project<\/figcaption><\/figure><\/div>\n\n\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\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"598\" height=\"543\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-2.jpg\" alt=\"JavaScript Array Iteration Methods - Project Details\" class=\"wp-image-24162\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-2.jpg 598w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-2-300x272.jpg 300w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><figcaption>Fig. 3: Project Details<\/figcaption><\/figure><\/div>\n\n\n<p>Select the &#8216;Maven Web App&#8217; Archetype from the list of options and click next.<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"515\" height=\"541\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-3.jpg\" alt=\"JavaScript Array Iteration Methods - Archetype Selection\" class=\"wp-image-24163\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-3.jpg 515w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-3-286x300.jpg 286w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><figcaption>Fig. 4: Archetype Selection<\/figcaption><\/figure><\/div>\n\n\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\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"598\" height=\"536\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-4.jpg\" alt=\"JavaScript Array Iteration Methods - Archetype Parameters\" class=\"wp-image-24164\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-4.jpg 598w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-guide-img-4-300x269.jpg 300w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><figcaption>Fig. 5: Archetype Parameters<\/figcaption><\/figure><\/div>\n\n\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;\n\t&lt;modelVersion&gt;4.0.0&lt;\/modelVersion&gt;\n\t&lt;groupId&gt;com.javascript&lt;\/groupId&gt;\n\t&lt;artifactId&gt;Javascriptarraymethodstutorial&lt;\/artifactId&gt;\n\t&lt;version&gt;0.0.1-SNAPSHOT&lt;\/version&gt;\n\t&lt;packaging&gt;war&lt;\/packaging&gt;\n&lt;\/project&gt;\n<\/pre>\n<h2>3. Application Building<\/h2>\n<p>Let us see the sample code snippet to understand the <em>array iteration methods<\/em> in the javascript language.<\/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&gt;\n&lt;html lang=\"en\"&gt;\n\n&lt;head&gt;\n    &lt;title&gt;Index page&lt;\/title&gt;\n    &lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=ISO-8859-1\"&gt;\n    &lt;link rel=\"stylesheet\" href=\"https:\/\/maxcdn.bootstrapcdn.com\/bootstrap\/4.2.1\/css\/bootstrap.min.css\"&gt;\n&lt;\/head&gt;\n\n&lt;body&gt;\n    &lt;div class=\"container\"&gt;\n        &lt;h2 align=\"center\" class=\"text-muted\"&gt;Array Iteration Methods in JavaScript&lt;\/h2&gt;\n        &lt;hr \/&gt;\n\n        &lt;!-- JavaScript Array Iteration Methods Example --&gt;\n        &lt;div id=\"title\"&gt;\n            &lt;h5 class=\"font-weight-normal\"&gt;&lt;mark&gt;Array Iteration Methods&lt;\/mark&gt; in javascript operate on every element of an array. The table below explains the different methods.&lt;\/h5&gt;\n            &lt;div&gt;&nbsp;&lt;\/div&gt;\n\n            &lt;table class=\"table table-bordered\"&gt;\n                &lt;thead&gt;\n                    &lt;tr class=\"text-center\"&gt;\n                        &lt;th scope=\"col\"&gt;Method&lt;\/th&gt;\n                        &lt;th scope=\"col\"&gt;Description&lt;\/th&gt;\n                        &lt;th scope=\"col\"&gt;Example&lt;\/th&gt;\n                    &lt;\/tr&gt;\n                &lt;\/thead&gt;\n                &lt;tbody&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.forEach()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method calls a callback function once for each array element.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.forEach(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.map()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method creates a new array by performing a function on each element of the array. It does not change the original array.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.forEach(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.filter()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method creates a new array with elements that pass the test.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.filter(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.reduce()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method runs a function on each element to produce a single value and it works from &lt;em&gt;left-to-right&lt;\/em&gt; in the array. Do &lt;em&gt;note&lt;\/em&gt;, this method does not reduce the original array.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.reduce(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.reduceRight()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method runs a function on each element to produce a single value and it works from &lt;em&gt;right-to-left&lt;\/em&gt; in the array. Do &lt;em&gt;note&lt;\/em&gt;, this method does not reduce the original array.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.reduceRight(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.every()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method checks if all the values of an array pass the test.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.every(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.some()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method checks if some values of an array pass the test.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.some(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.find()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method returns the value of the first array element that pass a test function.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.find(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                    &lt;tr&gt;\n                        &lt;td&gt;&lt;code&gt;Array.findIndex()&lt;\/code&gt;&lt;\/td&gt;\n                        &lt;td&gt;This method returns the index of the first array element that pass a test function.&lt;\/td&gt;\n                        &lt;td&gt;&lt;code&gt;myarray.findIndex(myfunction);&lt;\/code&gt;&lt;\/td&gt;\n                    &lt;\/tr&gt;\n                &lt;\/tbody&gt;\n            &lt;\/table&gt;\n        &lt;\/div&gt;\n    &lt;\/div&gt;\n    &lt;script type=\"text\/javascript\"&gt;\n        \/\/ Array iteration methods.\n        \/\/ forEach() method.\n        [1, 2, 3].forEach(function(item, index) {\n            console.log(item, index);\n        });\n\n        \/\/ map() method.\n        const three = [1, 2, 3];\n        const doubled = three.map(function(item) {\n            return item * 2;\n        });\n        console.log(\"map()= \" + doubled);\n\n        \/\/ filter() method.\n        const ints = [1, 2, 3];\n        const evens = ints.filter(function(item) {\n            return item % 2 === 0;\n        });\n        console.log(\"filter()= \" + evens);\n\n        \/\/ reduce() method.\n        const sum = [1, 2, 3].reduce(function(result, item) {\n            return result + item;\n        }, 0);\n        console.log(\"reduce()= \" + sum)\n\n        \/\/ some() method.\n        const hasNegativeNumbers = [1, 2, 3, -1, 4].some(function(item) {\n            return item &lt; 0;\n        });\n        console.log(\"some()= \" + hasNegativeNumbers);\n\n        \/\/ every() method.\n        const allPositiveNumbers = [1, 2, -3].every(function(item) {\n            return item &gt; 0;\n        });\n        console.log(\"every()= \" + allPositiveNumbers);\n\n        \/\/ find() method.\n        const objects = [{\n            id: 'a'\n        }, {\n            id: 'b'\n        }, {\n            id: 'c'\n        }];\n        const found = objects.find(function(item) {\n            return item.id === 'b';\n        });\n        console.log(found);\n\n        \/\/ findIndex() method.\n        const objects2 = [{\n            id: 'a'\n        }, {\n            id: 'b'\n        }, {\n            id: 'c'\n        }];\n        const foundIndex = objects2.findIndex(function(item) {\n            return item.id === 'b';\n        });\n        console.log(foundIndex);\n    &lt;\/script&gt;\n&lt;\/body&gt;\n\n&lt;\/html&gt;\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\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"818\" height=\"409\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-deploy-guide-img-1.jpg\" alt=\"JavaScript Array Iteration Methods - Application on Tomcat\" class=\"wp-image-24165\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-deploy-guide-img-1.jpg 818w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-deploy-guide-img-1-300x150.jpg 300w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-deploy-guide-img-1-768x384.jpg 768w\" sizes=\"(max-width: 818px) 100vw, 818px\" \/><figcaption>Fig. 6: How to Deploy Application on Tomcat<\/figcaption><\/figure><\/div>\n\n\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 and console output as shown in Fig. 7.<\/p>\n<pre class=\"brush:plain; wrap-lines:false;\">http:\/\/localhost:8082\/Javascriptarraymethodstutorial\/<\/pre>\n<p>Server name (localhost) and port (8082) may vary as per your Tomcat configuration.<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"818\" height=\"472\" src=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-demo-guide-img-1.jpg\" alt=\"JavaScript Array Iteration Methods - Index page\" class=\"wp-image-24166\" srcset=\"https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-demo-guide-img-1.jpg 818w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-demo-guide-img-1-300x173.jpg 300w, https:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/project-array-methods-demo-guide-img-1-768x443.jpg 768w\" sizes=\"(max-width: 818px) 100vw, 818px\" \/><figcaption>Fig. 7: Index page<\/figcaption><\/figure><\/div>\n\n\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 a beginner\u2019s tutorial to explore the <em>Array Iteration<\/em> methods in the javascript language.<\/p>\n<div class=\"download\"><strong>Download<\/strong><br>You can download the full source code of this example here: <a target=\"_blank\" href=\"http:\/\/www.webcodegeeks.com\/wp-content\/uploads\/2019\/02\/Javascriptarraymethodstutorial.zip\" rel=\"noopener noreferrer\"><strong>JavaScript Array Iteration Methods Example<\/strong><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Greetings readers, in this tutorial, we will explore the Array iteration methods in the javascript. 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, Opera, etc. support it. &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-24159","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 Iteration Methods Example - Web Code Geeks - 2026<\/title>\n<meta name=\"description\" content=\"Interested to learn more about JavaScript? 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