{"id":181480,"date":"2024-03-21T07:22:00","date_gmt":"2024-03-21T06:22:00","guid":{"rendered":"https:\/\/datascientest.com\/en\/?p=181480"},"modified":"2024-03-06T21:04:26","modified_gmt":"2024-03-06T20:04:26","slug":"javascript-unveiled-a-comprehensive-guide-to-the-language-of-the-web","status":"publish","type":"post","link":"https:\/\/datascientest.com\/en\/javascript-unveiled-a-comprehensive-guide-to-the-language-of-the-web","title":{"rendered":"JavaScript Unveiled: A Comprehensive Guide to the Language of the Web"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"181480\" class=\"elementor elementor-181480\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7eceab7 e-flex e-con-boxed e-con\" data-id=\"7eceab7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76ecc8e elementor-widget elementor-widget-heading\" data-id=\"76ecc8e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Born in the heart of the 1990s, JavaScript was the brainchild of browser pioneer Netscape Communications Corporation. In its early days, the language was designed to bring instant interactivity to websites, revolutionizing the way content was presented and understood online. Since then, JavaScript has evolved significantly, from its initial vocation as a simple scripting language to a complete programming language, enabling the development of complex web applications and sophisticated user interfaces.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b45ace9 elementor-widget elementor-widget-text-editor\" data-id=\"b45ace9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Javascript is based on the<strong> ECMAScript standard<\/strong>. In short, Javascript is the most common and popular implementation of the<strong> ECMAScript specification<\/strong>. This standard governs the rules, characteristics and syntax that the Javascript language must adopt to guarantee interoperability between different <strong>implementations of the language.<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0676a26 e-flex e-con-boxed e-con\" data-id=\"0676a26\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7474749 elementor-widget elementor-widget-heading\" data-id=\"7474749\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What makes up JavaScript?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ce6e0a elementor-widget elementor-widget-heading\" data-id=\"5ce6e0a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Basic syntax<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14c9d27 elementor-widget elementor-widget-text-editor\" data-id=\"14c9d27\" 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<p><strong>JavaScript<\/strong> uses a simple, readable syntax, making it a language accessible to the widest possible audience. Key elements of the syntax include :<\/p><ul><li><strong>Variables:<\/strong> used to store values and can be declared with var, let or const.<\/li><li><strong>Data types:<\/strong> numbers, strings, Booleans, arrays and objects.<\/li><li><strong>Operators:<\/strong> used to perform operations on data, such as mathematical operations and comparisons.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d257493 elementor-widget elementor-widget-heading\" data-id=\"d257493\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Control structure<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fac511 elementor-widget elementor-widget-text-editor\" data-id=\"4fac511\" 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<p><strong>Control structures<\/strong> are used to direct the<em> flow of code<\/em> execution. Conditional statements (such as if, else and switch) allow certain parts of the code to be executed according to specific conditions.<\/p><p><strong>Loops (such as for and while)<\/strong> allow you to iterate over data sets or execute a block of code several times.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9939580 elementor-widget elementor-widget-heading\" data-id=\"9939580\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Basic functions<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c0bf35 elementor-widget elementor-widget-text-editor\" data-id=\"7c0bf35\" 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<p>These are<strong> reusable blocks of code that can be called up with different arguments.<\/strong> They enable code to be organized into logical chunks, improving readability and maintainability. Functions can take parameters as input and return a value as output, if required.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96560ee elementor-widget elementor-widget-heading\" data-id=\"96560ee\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">String processing<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43d7215 elementor-widget elementor-widget-text-editor\" data-id=\"43d7215\" 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<p><strong>String processing<\/strong> is a crucial programming skill. <a href=\"https:\/\/datascientest.com\/en\/java-fundamentals-explained-jdk-jre-and-jvm\">JavaScript<\/a> offers a range of methods for manipulating and transforming strings.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8d246f elementor-widget elementor-widget-image\" data-id=\"a8d246f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/09\/javascript-1.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-9fbe70e elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"9fbe70e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/en\/course-devops\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn to develop with JavaScript<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a1051d9 e-flex e-con-boxed e-con\" data-id=\"a1051d9\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e38d3a9 elementor-widget elementor-widget-heading\" data-id=\"e38d3a9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How do I manipulate the DOM?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de4cb98 elementor-widget elementor-widget-text-editor\" data-id=\"de4cb98\" 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<p>One of the most powerful facets of JavaScript is its ability to interact with the Document Object Model (DOM), enabling real-time modification of web page structure and content.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7fc251 elementor-widget elementor-widget-heading\" data-id=\"b7fc251\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">1 - What is the DOM?<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23c5329 elementor-widget elementor-widget-text-editor\" data-id=\"23c5329\" 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<p>The DOM is a memory representation of the HTML and CSS structure of a web page. Each HTML element becomes a node in the DOM tree, and JavaScript can access these nodes to modify and manipulate them. DOM manipulation is at the heart of the creation of visual effects, animations and <a href=\"https:\/\/datascientest.com\/en\/project-environment-preparation-essential-steps-for-smooth-workflow\">interactivity on web pages.<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cd65cb elementor-widget elementor-widget-heading\" data-id=\"5cd65cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">2 - Selecting elements<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1793efd elementor-widget elementor-widget-text-editor\" data-id=\"1793efd\" 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<p>JavaScript offers a variety of methods for selecting DOM elements. Methods such as getElementById, getElementsByClassName and querySelector allow you to specifically target the desired elements for manipulation.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10b852b elementor-widget elementor-widget-heading\" data-id=\"10b852b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">3 - Modifying content and attributes<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4b3e5c elementor-widget elementor-widget-text-editor\" data-id=\"e4b3e5c\" 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<p>Once elements have been selected, you can modify their text content, attributes and even structure. This allows you to create features such as real-time edit buttons, dynamic forms and automatic content updates.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2aa2bdb elementor-widget elementor-widget-heading\" data-id=\"2aa2bdb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">4 - Event management<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45c8dd1 elementor-widget elementor-widget-text-editor\" data-id=\"45c8dd1\" 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<p>User interaction on web pages is handled by events such as mouse clicks, key presses and scrolls. JavaScript allows event handlers to be added to DOM elements, triggering specific actions in response to user input.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a0708a0 e-flex e-con-boxed e-con\" data-id=\"a0708a0\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f709ed0 elementor-widget elementor-widget-heading\" data-id=\"f709ed0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-534fdf6 elementor-widget elementor-widget-text-editor\" data-id=\"534fdf6\" 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<p><strong>JavaScript<\/strong> embodies the essence of innovation and adaptability in the world of web development.<\/p><p>From its humble beginnings to its current role as the key language of web development, it has evolved to meet the growing needs of users and developers alike.<\/p><p>This article provides a brief introduction to Javascript and its possibilities. Mastering this language requires an ongoing commitment to learning, exploring online resources and keeping abreast of new developments.<\/p><p>Javascript is constantly evolving, with new features and improvements brought about by <strong>ECMAScript updates (ES6, ES7, etc.).<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e79e728 elementor-widget elementor-widget-image\" data-id=\"e79e728\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/09\/javascript-2.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-421103e elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"421103e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/en\/course-devops\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Start a JavaScript training course<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e61882f e-flex e-con-boxed e-con\" data-id=\"e61882f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cd734a elementor-widget elementor-widget-html\" data-id=\"7cd734a\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"How is JavaScript made up?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"JavaScript uses a simple, readable syntax, making it a language accessible to the widest possible audience. Key elements of the syntax include : Variables: used to store values and can be declared with var, let or const. Data types: numbers, strings, Booleans, arrays and objects. Operators: used to perform operations on data, such as mathematical operations and comparisons.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"How do I manipulate the DOM?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"One of the most powerful facets of JavaScript lies in its ability to interact with the Document Object Model (DOM), enabling real-time modification of the structure and content of web pages.\"\n    }\n  }]\n}\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Born in the heart of the 1990s, JavaScript was the brainchild of browser pioneer Netscape Communications Corporation. In its early days, the language was designed to bring instant interactivity to websites, revolutionizing the way content was presented and understood online. Since then, JavaScript has evolved significantly, from its initial vocation as a simple scripting language [&hellip;]<\/p>\n","protected":false},"author":67,"featured_media":181481,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2421],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JavaScript Unveiled: A Comprehensive Guide to the Language of the Web<\/title>\n<meta name=\"description\" content=\"Discover the essence of JavaScript, the cornerstone of web development. From its fundamentals to advanced concepts, this guide covers everything you need to know to master JavaScript and build dynamic, interactive web applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/en\/javascript-unveiled-a-comprehensive-guide-to-the-language-of-the-web\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript Unveiled: A Comprehensive Guide to the Language of the Web\" \/>\n<meta property=\"og:description\" content=\"Born in the heart of the 1990s, JavaScript was the brainchild of browser pioneer Netscape Communications Corporation. 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