LearnSidebar.ejs

<%

const l10nStrings = mdn.localStringMap({
  'en-US': {
    'Complete_beginners_start_here': 'Complete beginners start here!',
      'Getting_started_with_the_web': 'Getting started with the web',
    'HTML_Structuring_the_web': 'HTML — Structuring the web',
      'Introduction_to_HTML': 'Introduction to HTML',
      'Multimedia_and_embedding': 'Multimedia and embedding',
      'HTML_tables' : 'HTML tables',
    'CSS_Styling_the_web': 'CSS — Styling the web',
      'CSS_first_steps': 'CSS first steps',
      'CSS_building_blocks': 'CSS building blocks',
      'Styling_text': 'Styling text',
      'CSS_layout': 'CSS layout',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — Dynamic client-side scripting',
      'JavaScript_first_steps': 'JavaScript first steps',
      'JavaScript_building_blocks': 'JavaScript building blocks',
      'Introducing_JavaScript_objects' :  'Introducing JavaScript objects',
      'Asynchronous_JavaScript': 'Asynchronous JavaScript',
      'Client-side_web_APIs': 'Client-side web APIs',
    'Web_forms' : 'Web forms — Working with user data',
      'Web_forms_core' : 'Core forms learning pathway',
      'Web_forms_advanced': 'Advanced forms articles',
    'Accessibility_—_Make_the_web_usable_by_everyone' : 'Accessibility — Make the web usable by everyone',
      'Accessibility_guides' : 'Accessibility guides',
      'Accessibility_assessment' : 'Accessibility assessment',
    'Performance' : 'Performance — Making websites fast and responsive',
      'Performance_guides' : 'Performance guides',
    'MathML_Writing_mathematics' : 'MathML — Writing mathematics with MathML',
      'MathML_first_steps': 'MathML first steps',
    'Tools_and_testing' : 'Tools and testing',
      'Cross_browser_testing' : 'Cross browser testing',
      'Git_and_GitHub' : 'Git and GitHub',
      'Client-side_web_development_tools' : 'Client-side web development tools',
      'Introduction_to_client-side_frameworks': 'Introduction to client-side frameworks',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : 'Server-side website programming',
      'First_steps' : 'First steps',
      'Django_web_framework_(Python)' : 'Django web framework (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express Web Framework (node.js/JavaScript)',
    'Further_resources': 'Further resources',
      'Common_questions': 'Common questions',
  },
  'pt-BR': {
    'Complete_beginners_start_here': 'Completos iniciantes, comecem por aqui!',
      'Getting_started_with_the_web': 'Iniciando na Internet',
    'HTML_Structuring_the_web': 'HTML — Estruturando a Web',
      'Introduction_to_HTML': 'Introdução ao HTML',
      'Multimedia_and_embedding': 'Multimídia e incorporação',
      'HTML_tables' : 'Tabelas HTML',
    'CSS_Styling_the_web': 'CSS — Estilizando a Web',
      'CSS_first_steps': 'CSS - primeiros passos',
      'CSS_building_blocks': 'CSS building blocks',
      'Styling_text': 'Estilização de textos',
      'CSS_layout': 'Esquemas CSS',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — Uma linguagem de script dinâmica para aplicações cliente',
      'JavaScript_first_steps': 'Primeiros passos com JavaScript',
      'JavaScript_building_blocks': 'Programando em JavaScript',
      'Introducing_JavaScript_objects' :  'Introdução Objetos em JavaScript',
      'Asynchronous_JavaScript': 'Asynchronous JavaScript',
      'Client-side_web_APIs': 'APIs Web na aplicação Cliente',
    'Web_forms' : 'Web forms — Working with user data',
      'Web_forms_core' : 'Core forms learning pathway',
      'Web_forms_advanced': 'Advanced forms articles',
    'Accessibility_—_Make_the_web_usable_by_everyone' : 'Acessibilidade — Faça a Internet usável por qualquer pessoa',
      'Accessibility_guides' : 'Guias de acessibilidade',
      'Accessibility_assessment' : 'Avaliando a acessibilidade',
    'Tools_and_testing' : 'Ferramentas e teste',
      'Cross_browser_testing' : 'Testes entre navegadores',
      'Git_and_GitHub' : 'Git and GitHub',
      'Client-side_web_development_tools' : 'Client-side web development tools',
      'Introduction_to_client-side_frameworks': 'Introduction to client-side frameworks',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
    'Server-side_website_programming' : 'Programação de servidores de Aplicação',
      'First_steps' : 'Primeiros passos',
      'Django_web_framework_(Python)' : 'Framework Web Django (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Framework Web Express (Node.js/JavaScript)',
    'Further_resources': 'Mais recursos',
      'Common_questions': 'Questões gerais',
  },
  'ru': {
    'Complete_beginners_start_here': 'Новички начинают здесь!',
      'Getting_started_with_the_web': 'Начало работы с Вебом',
    'HTML_Structuring_the_web': 'HTML — структура Веба',
      'Introduction_to_HTML': 'Введение в HTML',
      'Multimedia_and_embedding': 'Мультимедиа и встраивание',
      'HTML_tables' : 'HTML таблицы',
    'CSS_Styling_the_web': 'CSS — стилизирование Веба',
      'CSS_first_steps': 'Введение в CSS',
      'CSS_building_blocks': 'Устройство CSS',
      'Styling_text': 'Стилизирование текста',
      'CSS_layout': 'CSS макет',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — динамический клиентский скриптинг',
      'JavaScript_first_steps': 'Первые шаги в JavaScript',
      'JavaScript_building_blocks': 'Блоки в JavaScript',
      'Introducing_JavaScript_objects' :  'Введение в объекты JavaScript',
      'Asynchronous_JavaScript': 'Асинхронный JavaScript',
      'Client-side_web_APIs': 'Клиентский веб API',
    'Web_forms' : 'HTML-формы — работа с пользовательскими данными',
      'Web_forms_core' : 'Руководство по HTML-формам',
      'Web_forms_advanced': 'Advanced forms articles',
    'Accessibility_—_Make_the_web_usable_by_everyone' : 'Доступность — сделайте веб удобным для всех',
      'Accessibility_guides' : 'Руководства по обеспечению доступности',
      'Accessibility_assessment' : 'Задание: Доступность',
    'Tools_and_testing' : 'Инструменты и тестирование',
      'Cross_browser_testing' : 'Кроссбраузерное тестирование',
      'Git_and_GitHub' : 'Git и GitHub',
      'Client-side_web_development_tools' : 'Client-side web development tools',
      'Introduction_to_client-side_frameworks': 'Introduction to client-side frameworks',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : 'Программирование серверной части сайта',
      'First_steps' : 'Первые шаги',
      'Django_web_framework_(Python)' : 'Веб-фреймворк Django (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Веб-фреймворк Express (Node.js/JavaScript)',
    'Further_resources': 'Дальнейшее чтение',
      'Common_questions': 'Общие вопросы',
  },
  'zh-CN': {
    'Complete_beginners_start_here': '新手请从这开始！',
      'Getting_started_with_the_web': 'Web 入门',
    'HTML_Structuring_the_web': 'HTML——构建 Web',
      'Introduction_to_HTML': 'HTML 介绍',
      'Multimedia_and_embedding': '多媒体与嵌入',
      'HTML_tables' : 'HTML 表格',
    'CSS_Styling_the_web': 'CSS——设计 Web',
      'CSS_first_steps': 'CSS 第一步',
      'CSS_building_blocks': 'CSS 基础',
      'Styling_text': '样式化文本',
      'CSS_layout': 'CSS 排版',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript——用户端动态脚本',
      'JavaScript_first_steps': 'JavaScript 第一步',
      'JavaScript_building_blocks': 'JavaScript 基础',
      'Introducing_JavaScript_objects' :  'JavaScript 对象介绍',
      'Asynchronous_JavaScript': '异步 JavaScript',
      'Client-side_web_APIs': '客户端 Web API',
    'Web_forms' : 'Web 表单——与用户数据打交道',
      'Web_forms_core' : 'Web 表单核心',
      'Web_forms_advanced': 'Web 表单进阶',
    'Accessibility_—_Make_the_web_usable_by_everyone' : '无障碍——使每个人都能使用 Web',
      'Accessibility_guides' : '无障碍指南',
      'Accessibility_assessment' : '无障碍测评',
    'Performance' : '性能——使网站快速响应',
      'Performance_guides' : '性能指南',
    'MathML_Writing_mathematics' : 'MathML——使用 MathML 语言撰写数学表达式',
      'MathML_first_steps': 'MathML 第一步',
    'Tools_and_testing' : '工具与测试',
      'Cross_browser_testing' : '跨浏览器测试',
      'Git_and_GitHub' : 'Git 和 GitHub',
      'Client-side_web_development_tools' : '客户端 web 开发工具',
      'Introduction_to_client-side_frameworks': '客户端框架介绍',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : '服务端网页编程',
      'First_steps' : '第一步',
      'Django_web_framework_(Python)' : 'Django Web 框架（Python）',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express Web 框架（node.js/JavaScript）',
    'Further_resources': '更多资源',
      'Common_questions': '常见问题',
  },
  'zh-TW': {
    'Complete_beginners_start_here': '全新手請從這開始！',
      'Getting_started_with_the_web': 'Web 入門',
    'HTML_Structuring_the_web': 'HTML — 架構 Web',
      'Introduction_to_HTML': 'HTML 介紹',
      'Multimedia_and_embedding': '多媒體與嵌入',
      'HTML_tables' : 'HTML 表格',
    'CSS_Styling_the_web': 'CSS — 設計 Web 的風格',
      'CSS_first_steps': '初探 CSS',
      'CSS_building_blocks': 'CSS 組件',
      'Styling_text': '樣式化文字',
      'CSS_layout': 'CSS 版面配置',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — 動態的用戶端指令',
      'JavaScript_first_steps': 'JavaScript 第一步',
      'JavaScript_building_blocks': 'JavaScript 基礎要件',
      'Introducing_JavaScript_objects' :  'JavaScript 物件介紹',
      'Asynchronous_JavaScript': '非同步的 JavaScript',
      'Client-side_web_APIs': '客戶端 web APIs',
    'Web_forms' : '網頁表單-與使用者資料合作',
      'Web_forms_core' : '核心的表單學習途徑',
      'Web_forms_advanced': '深入網頁表單',
    'Accessibility_—_Make_the_web_usable_by_everyone' : '無障礙網頁 — 每個人都可以使用的網頁',
      'Accessibility_guides' : '無障礙網頁指南',
      'Accessibility_assessment' : '無障礙網頁評估',
    'Tools_and_testing' : '工具與測試',
      'Cross_browser_testing' : '跨瀏覽器測試',
      'Git_and_GitHub' : 'Git and GitHub',
      'Client-side_web_development_tools' : 'Client-side web development tools',
      'Introduction_to_client-side_frameworks': '介紹前端框架',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : '伺服端網站程式設計',
      'First_steps' : '第一步',
      'Django_web_framework_(Python)' : 'Django 網站框架 (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express 網站框架 (node.js/JavaScript)',
    'Further_resources': '更多資源',
      'Common_questions': '常見問題',
  },
  'fr': {
    'Complete_beginners_start_here': 'Vous débutez\xa0? Commencez ici\xa0!',
      'Getting_started_with_the_web': 'Démarrer avec le Web',
    'HTML_Structuring_the_web': 'HTML — Structurer le Web',
      'Introduction_to_HTML': 'Introduction à HTML',
      'Multimedia_and_embedding': 'Multimédia et contenu embarqué',
      'HTML_tables' : 'Tableaux HTML',
    'CSS_Styling_the_web': 'CSS — Mettre en forme le Web',
      'CSS_first_steps': 'Premiers pas en CSS',
      'CSS_building_blocks': 'Blocs de construction CSS',
      'Styling_text': 'Mise en forme du texte',
      'CSS_layout': 'Disposition en CSS',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — Scripts et dynamisme côté client',
      'JavaScript_first_steps': 'Premiers pas en JavaScript',
      'JavaScript_building_blocks': 'Blocs de construction JavaScript',
      'Introducing_JavaScript_objects' :  'Introduction aux objets JavaScript',
      'Asynchronous_JavaScript': 'JavaScript asynchrone',
      'Client-side_web_APIs': 'Les API web côté client',
    'Web_forms' : 'Formulaires web — Travailler avec les données des utilisateur\u00b7rice\u00b7s',
      'Web_forms_core' : 'Parcours sur les fondamentaux des formulaires web',
      'Web_forms_advanced': 'Fonctionnalités avancées des formulaires',
    'Accessibility_—_Make_the_web_usable_by_everyone' : 'Accessibilité — Rendre le Web utilisable par toutes et tous',
      'Accessibility_guides' : 'Guides sur l\'accessibilité',
      'Accessibility_assessment' : 'Évaluation de l\'accessibilité',
    'MathML_Writing_mathematics' : 'MathML — Écrire des formules mathématiques sur le Web',
      'MathML_first_steps': 'Premiers pas en MathML',
    'Tools_and_testing' : 'Outils et tests',
      'Cross_browser_testing' : 'Tests entre les différents navigateurs',
      'Git_and_GitHub' : 'Git et GitHub',
      'Client-side_web_development_tools' : 'Outils pour le développement web côté client',
      'Introduction_to_client-side_frameworks': 'Introduction aux frameworks côté client',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : 'Programmation web côté serveur',
      'First_steps' : 'Premiers pas',
      'Django_web_framework_(Python)' : 'Django (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express (Node.js/JavaScript)',
    'Further_resources': 'Ressources complémentaires',
      'Common_questions': 'Questions fréquentes',
  },
  'ja': {
    'Complete_beginners_start_here': '完全な初心者はこちらから!',
      'Getting_started_with_the_web': 'ウェブ入門',
    'HTML_Structuring_the_web': 'HTML — Structuring the web',
      'Introduction_to_HTML': 'HTML概論',
      'Multimedia_and_embedding': 'Multimedia and embedding',
      'HTML_tables' : 'HTML tables',
    'CSS_Styling_the_web': 'CSS — Styling the web',
      'CSS_first_steps': 'CSS first steps',
      'CSS_building_blocks': 'CSS building blocks',
      'Styling_text': 'Styling text',
      'CSS_layout': 'CSS layout',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — 動的クライアントサイドスクリプト',
      'JavaScript_first_steps': 'JavaScript の第一歩',
      'JavaScript_building_blocks': 'JavaScript building blocks',
      'Introducing_JavaScript_objects' :  'Introducing JavaScript objects',
      'Asynchronous_JavaScript': 'Asynchronous JavaScript',
      'Client-side_web_APIs': 'Client-side web APIs',
    'Web_forms' : 'Web forms — Working with user data',
      'Web_forms_core' : 'Core forms learning pathway',
      'Web_forms_advanced': 'Advanced forms articles',
    'Accessibility_—_Make_the_web_usable_by_everyone' : 'Accessibility — Make the web usable by everyone',
      'Accessibility_guides' : 'Accessibility guides',
      'Accessibility_assessment' : 'Accessibility assessment',
    'Tools_and_testing' : 'ツールとテスト',
      'Cross_browser_testing' : 'Cross browser testing',
      'Git_and_GitHub' : 'Git and GitHub',
      'Client-side_web_development_tools' : 'クライアントサイドウェブ開発ツール',
      'Introduction_to_client-side_frameworks': 'クライアントサイドフレームワークの概要',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : 'Server-side website programming',
      'First_steps' : 'First steps',
      'Django_web_framework_(Python)' : 'Django web framework (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express Web Framework (node.js/JavaScript)',
    'Further_resources': 'Further resources',
      'Common_questions': 'Common questions',
  },
  'ko': {
    'Complete_beginners_start_here': '입문자들은 여기서부터 시작하세요!',
      'Getting_started_with_the_web': 'Web과 함께 시작하기',
    'HTML_Structuring_the_web': 'HTML — 웹 구성',
      'Introduction_to_HTML': 'HTML 입문서',
      'Multimedia_and_embedding': '멀티미디어와 임베딩',
      'HTML_tables' : 'HTML 테이블',
    'CSS_Styling_the_web': 'CSS — 웹 꾸미기',
      'CSS_first_steps': 'CSS 첫 번째 단계',
      'CSS_building_blocks': 'CSS 구성요소',
      'Styling_text': '텍스트 꾸미기',
      'CSS_layout': 'CSS 레이아웃',
    'JavaScript_dynamic_client-side_scripting': 'JavaScript — 동적 클라이언트 사이드 스크립트 언어',
      'JavaScript_first_steps': 'JavaScript 첫걸음',
      'JavaScript_building_blocks': 'JavaScript 구성요소',
      'Introducing_JavaScript_objects' :  'JavaScript 객체',
      'Asynchronous_JavaScript': 'JavaScript의 비동기성',
      'Client-side_web_APIs': '클라이언트 사이드 웹 API',
    'Web_forms' : '웹 Form — 사용자 데이터 사용하기',
      'Web_forms_core' : '웹 form 핵심',
      'Web_forms_advanced': '고급 form',
    'Accessibility_—_Make_the_web_usable_by_everyone' : '접근성 - 모두를 위한 웹 만들기',
      'Accessibility_guides' : '접근성 안내서',
      'Accessibility_assessment' : '과제: 접근성 평가',
    'MathML_Writing_mathematics' : 'MathML — MathML을 이용해 수학 쓰기',
      'MathML_first_steps': 'MathML 첫 걸음',
    'Tools_and_testing' : '도구과 테스트',
      'Cross_browser_testing' : '크로스 브라우저 테스팅',
      'Git_and_GitHub' : 'Git과 GitHub',
      'Client-side_web_development_tools' : '클라이언트 사이드 웹 개발 도구',
      'Introduction_to_client-side_frameworks': '클라이언트 사이드 프레임워크 소개',
      'React': 'React',
      'Ember': 'Ember',
      'Vue': 'Vue',
      'Svelte': 'Svelte',
      'Angular': 'Angular',
    'Server-side_website_programming' : '서버 사이드 웹사이트 프로그래밍',
      'First_steps' : '첫 걸음',
      'Django_web_framework_(Python)' : 'Django 웹 프레임워크 (Python)',
      'Express_Web_Framework_(Node.js_JavaScript)' : 'Express 웹 프레임워크 (Node.js/JavaScript)',
    'Further_resources': '추가 자료',
      'Common_questions': '자주 묻는 질문',
  },
});

const sections = [
  {
    name: "Complete_beginners_start_here",
    link: "Getting_started_with_the_web",
    subsections: [
      {
        name: "Getting_started_with_the_web",
        pages: [
          "Getting_started_with_the_web",
          "Getting_started_with_the_web/Installing_basic_software",
          "Getting_started_with_the_web/What_will_your_website_look_like",
          "Getting_started_with_the_web/Dealing_with_files",
          "Getting_started_with_the_web/HTML_basics",
          "Getting_started_with_the_web/CSS_basics",
          "Getting_started_with_the_web/JavaScript_basics",
          "Getting_started_with_the_web/Publishing_your_website",
          "Getting_started_with_the_web/How_the_Web_works",
        ]
      }
    ]
  },
  {
    name: "HTML_Structuring_the_web",
    link: "HTML",
    subsections: [
      {
        name: "Introduction_to_HTML",
        pages: [
          "HTML/Introduction_to_HTML",
          "HTML/Introduction_to_HTML/Getting_started",
          "HTML/Introduction_to_HTML/The_head_metadata_in_HTML",
          "HTML/Introduction_to_HTML/HTML_text_fundamentals",
          "HTML/Introduction_to_HTML/Creating_hyperlinks",
          "HTML/Introduction_to_HTML/Advanced_text_formatting",
          "HTML/Introduction_to_HTML/Document_and_website_structure",
          "HTML/Introduction_to_HTML/Debugging_HTML",
          "HTML/Introduction_to_HTML/Marking_up_a_letter",
          "HTML/Introduction_to_HTML/Structuring_a_page_of_content",
        ]
      },
      {
        name: "Multimedia_and_embedding",
        pages: [
          "HTML/Multimedia_and_embedding",
          "HTML/Multimedia_and_embedding/Images_in_HTML",
          "HTML/Multimedia_and_embedding/Video_and_audio_content",
          "HTML/Multimedia_and_embedding/Other_embedding_technologies",
          "HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web",
          "HTML/Multimedia_and_embedding/Responsive_images",
          "HTML/Multimedia_and_embedding/Mozilla_splash_page",
        ]
      },
      {
        name: "HTML_tables",
        pages: [
          "HTML/Tables",
          "HTML/Tables/Basics",
          "HTML/Tables/Advanced",
          "HTML/Tables/Structuring_planet_data",
        ]
      }
    ]
  },
  {
    name: "CSS_Styling_the_web",
    link: "CSS",
    subsections: [
      {
        name: "CSS_first_steps",
        pages: [
          "CSS/First_steps",
          "CSS/First_steps/What_is_CSS",
          "CSS/First_steps/Getting_started",
          "CSS/First_steps/How_CSS_is_structured",
          "CSS/First_steps/How_CSS_works",
          "CSS/First_steps/Styling_a_biography_page",
        ]
      },
      {
        name: "CSS_building_blocks",
        pages: [
          "CSS/Building_blocks",
          "CSS/Building_blocks/Selectors",
          "CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors",
          "CSS/Building_blocks/Selectors/Attribute_selectors",
          "CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements",
          "CSS/Building_blocks/Selectors/Combinators",
          "CSS/Building_blocks/Cascade_and_inheritance",
          "CSS/Building_blocks/Cascade_layers",
          "CSS/Building_blocks/The_box_model",
          "CSS/Building_blocks/Backgrounds_and_borders",
          "CSS/Building_blocks/Handling_different_text_directions",
          "CSS/Building_blocks/Overflowing_content",
          "CSS/Building_blocks/Values_and_units",
          "CSS/Building_blocks/Sizing_items_in_CSS",
          "CSS/Building_blocks/Images_media_form_elements",
          "CSS/Building_blocks/Styling_tables",
          "CSS/Building_blocks/Debugging_CSS",
          "CSS/Building_blocks/Organizing",
          "CSS/Building_blocks/Fundamental_CSS_comprehension",
          "CSS/Building_blocks/Creating_fancy_letterheaded_paper",
          "CSS/Building_blocks/A_cool_looking_box",
        ]
      },
      {
        name: "Styling_text",
        pages: [
          "CSS/Styling_text",
          "CSS/Styling_text/Fundamentals",
          "CSS/Styling_text/Styling_lists",
          "CSS/Styling_text/Styling_links",
          "CSS/Styling_text/Web_fonts",
          "CSS/Styling_text/Typesetting_a_homepage",
        ]
      },
      {
        name: "CSS_layout",
        pages: [
          "CSS/CSS_layout",
          "CSS/CSS_layout/Introduction",
          "CSS/CSS_layout/Normal_Flow",
          "CSS/CSS_layout/Flexbox",
          "CSS/CSS_layout/Grids",
          "CSS/CSS_layout/Floats",
          "CSS/CSS_layout/Positioning",
          "CSS/CSS_layout/Multiple-column_Layout",
          "CSS/CSS_layout/Responsive_Design",
          "CSS/CSS_layout/Media_queries",
          "CSS/CSS_layout/Legacy_Layout_Methods",
          "CSS/CSS_layout/Supporting_Older_Browsers",
          "CSS/CSS_layout/Fundamental_Layout_Comprehension",
        ]
      },
    ]
  },
  {
    name: "JavaScript_dynamic_client-side_scripting",
    link: "JavaScript",
    subsections: [
      {
        name: "JavaScript_first_steps",
        pages: [
          "JavaScript/First_steps",
          "JavaScript/First_steps/What_is_JavaScript",
          "JavaScript/First_steps/A_first_splash",
          "JavaScript/First_steps/What_went_wrong",
          "JavaScript/First_steps/Variables",
          "JavaScript/First_steps/Math",
          "JavaScript/First_steps/Strings",
          "JavaScript/First_steps/Useful_string_methods",
          "JavaScript/First_steps/Arrays",
          "JavaScript/First_steps/Silly_story_generator",
        ]
      },
      {
        name: "JavaScript_building_blocks",
        pages: [
          "JavaScript/Building_blocks",
          "JavaScript/Building_blocks/Conditionals",
          "JavaScript/Building_blocks/Looping_code",
          "JavaScript/Building_blocks/Functions",
          "JavaScript/Building_blocks/Build_your_own_function",
          "JavaScript/Building_blocks/Return_values",
          "JavaScript/Building_blocks/Events",
          "JavaScript/Building_blocks/Image_gallery",
        ]
      },
      {
        name: "Introducing_JavaScript_objects",
        pages: [
          "JavaScript/Objects",
          "JavaScript/Objects/Basics",
          "JavaScript/Objects/Object_prototypes",
          "JavaScript/Objects/Object-oriented_programming",
          "JavaScript/Objects/Classes_in_JavaScript",
          "JavaScript/Objects/JSON",
          "JavaScript/Objects/Object_building_practice",
          "JavaScript/Objects/Adding_bouncing_balls_features",
        ]
      },
      {
        name: "Asynchronous_JavaScript",
        pages: [
          "JavaScript/Asynchronous",
          "JavaScript/Asynchronous/Introducing",
          "JavaScript/Asynchronous/Promises",
          "JavaScript/Asynchronous/Implementing_a_promise-based_API",
          "JavaScript/Asynchronous/Introducing_workers",
          "JavaScript/Asynchronous/Sequencing_animations",
        ]
      },
      {
        name: "Client-side_web_APIs",
        pages: [
          "JavaScript/Client-side_web_APIs",
          "JavaScript/Client-side_web_APIs/Introduction",
          "JavaScript/Client-side_web_APIs/Manipulating_documents",
          "JavaScript/Client-side_web_APIs/Fetching_data",
          "JavaScript/Client-side_web_APIs/Third_party_APIs",
          "JavaScript/Client-side_web_APIs/Drawing_graphics",
          "JavaScript/Client-side_web_APIs/Video_and_audio_APIs",
          "JavaScript/Client-side_web_APIs/Client-side_storage",
        ]
      },
    ]
  },
  {
    name: "Web_forms",
    link: "Forms",
    subsections: [
      {
        name: "Web_forms_core",
        pages: [
          "Forms/",
          "Forms/Your_first_form",
          "Forms/How_to_structure_a_web_form",
          "Forms/Basic_native_form_controls",
          "Forms/HTML5_input_types",
          "Forms/Other_form_controls",
          "Forms/Styling_web_forms",
          "Forms/Advanced_form_styling",
          "Forms/UI_pseudo-classes",
          "Forms/Form_validation",
          "Forms/Sending_and_retrieving_form_data",
        ]
      },
      {
        name: "Web_forms_advanced",
        pages: [
          "Forms/How_to_build_custom_form_controls",
          "Forms/Sending_forms_through_JavaScript",
          "Forms/Property_compatibility_table_for_form_controls",
          "Forms/HTML_forms_in_legacy_browsers"
        ]
      }
    ]
  },
  {
    name: "Accessibility_—_Make_the_web_usable_by_everyone",
    link: "Accessibility",
    subsections: [
      {
        name: "Accessibility_guides",
        pages: [
          "Accessibility/",
          "Accessibility/What_is_accessibility",
          "Accessibility/HTML",
          "Accessibility/CSS_and_JavaScript",
          "Accessibility/WAI-ARIA_basics",
          "Accessibility/Multimedia",
          "Accessibility/Mobile",
          "Accessibility/Accessibility_troubleshooting",
        ]
      }
    ]
  },
  {
    name: "Performance",
    link: "Performance",
    subsections: [
      {
        name: "Performance_guides",
        pages: [
          "Performance/",
          "Performance/why_web_performance",
          "Performance/What_is_web_performance",
          "Performance/Perceived_performance",
          "Performance/Measuring_performance",
          "Performance/Multimedia",
          "Performance/video",
          "Performance/JavaScript",
          "Performance/HTML",
          "Performance/CSS",
          "Performance/business_case_for_performance",
        ]
      }
    ]
  },
  {
    name: "MathML_Writing_mathematics",
    link: "MathML",
    subsections: [
      {
        name: "MathML_first_steps",
        pages: [
          "MathML/First_steps/",
          "MathML/First_steps/Getting_started",
          "MathML/First_steps/Text_containers",
          "MathML/First_steps/Fractions_and_roots",
          "MathML/First_steps/Scripts",
          "MathML/First_steps/Tables",
          "MathML/First_steps/Three_famous_mathematical_formulas",
        ]
      }
    ]
  },
  {
    name: "Tools_and_testing",
    link: "Tools_and_testing",
    subsections: [
      {
        name: "Client-side_web_development_tools",
        pages: [
          "Tools_and_testing/Understanding_client-side_tools",
          "Tools_and_testing/Understanding_client-side_tools/Overview",
          "Tools_and_testing/Understanding_client-side_tools/Command_line",
          "Tools_and_testing/Understanding_client-side_tools/Package_management",
          "Tools_and_testing/Understanding_client-side_tools/Introducing_complete_toolchain",
          "Tools_and_testing/Understanding_client-side_tools/Deployment",
        ]
      },
      {
        name: "Introduction_to_client-side_frameworks",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/Introduction",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Main_features",
        ]
      },
      {
        name: "React",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_getting_started",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_todo_list_beginning",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_components",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_interactivity_events_state",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_interactivity_filtering_conditional_rendering",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_accessibility",
          "Tools_and_testing/Client-side_JavaScript_frameworks/React_resources",
        ]
      },
      {
        name: "Ember",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_getting_started",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_structure_componentization",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_interactivity_events_state",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_conditional_footer",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_routing",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Ember_resources",
        ]
      },
      {
        name: "Vue",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_getting_started",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_first_component",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_rendering_lists",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_methods_events_models",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_styling",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_computed_properties",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_conditional_rendering",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_refs_focus_management",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Vue_resources",
        ]
      },
      {
        name: "Svelte",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_getting_started",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_Todo_list_beginning",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_variables_props",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_components",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_reactivity_lifecycle_accessibility",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_stores",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_TypeScript",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Svelte_deployment_next",
        ]
      },
      {
        name: "Angular",
        pages: [
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_getting_started",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_todo_list_beginning",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_styling",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_item_component",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_filtering",
          "Tools_and_testing/Client-side_JavaScript_frameworks/Angular_building",
        ]
      },
      {
        name: "Git_and_GitHub",
        pages: [
          "Tools_and_testing/GitHub",
        ]
      },
      {
        name: "Cross_browser_testing",
        pages: [
          "Tools_and_testing/Cross_browser_testing",
          "Tools_and_testing/Cross_browser_testing/Introduction",
          "Tools_and_testing/Cross_browser_testing/Testing_strategies",
          "Tools_and_testing/Cross_browser_testing/HTML_and_CSS",
          "Tools_and_testing/Cross_browser_testing/JavaScript",
          "Tools_and_testing/Cross_browser_testing/Accessibility",
          "Tools_and_testing/Cross_browser_testing/Feature_detection",
          "Tools_and_testing/Cross_browser_testing/Automated_testing",
          "Tools_and_testing/Cross_browser_testing/Your_own_automation_environment",
        ]
      }
    ]
  },
  {
    name: "Server-side_website_programming",
    link: "Server-side",
    subsections: [
      {
        name: "First_steps",
        pages: [
          "Server-side/First_steps",
          "Server-side/First_steps/Introduction",
          "Server-side/First_steps/Client-Server_overview",
          "Server-side/First_steps/Web_frameworks",
          "Server-side/First_steps/Website_security",
        ]
      },
      {
        name: "Django_web_framework_(Python)",
        pages: [
          "Server-side/Django",
          "Server-side/Django/Introduction",
          "Server-side/Django/development_environment",
          "Server-side/Django/Tutorial_local_library_website",
          "Server-side/Django/skeleton_website",
          "Server-side/Django/Models",
          "Server-side/Django/Admin_site",
          "Server-side/Django/Home_page",
          "Server-side/Django/Generic_views",
          "Server-side/Django/Sessions",
          "Server-side/Django/Authentication",
          "Server-side/Django/Forms",
          "Server-side/Django/Testing",
          "Server-side/Django/Deployment",
          "Server-side/Django/web_application_security",
          "Server-side/Django/django_assessment_blog",
        ]
      },
      {
        name: "Express_Web_Framework_(Node.js_JavaScript)",
        pages: [
          "Server-side/Express_Nodejs",
          "Server-side/Express_Nodejs/Introduction",
          "Server-side/Express_Nodejs/development_environment",
          "Server-side/Express_Nodejs/Tutorial_local_library_website",
          "Server-side/Express_Nodejs/skeleton_website",
          "Server-side/Express_Nodejs/mongoose",
          "Server-side/Express_Nodejs/routes",
          "Server-side/Express_Nodejs/Displaying_data",
          "Server-side/Express_Nodejs/forms",
          "Server-side/Express_Nodejs/deployment",
        ]
      }
    ]
  },
  {
    name: "Further_resources",
    link: "Common_questions",
    subsections: [
      {
        name: "Common_questions",
        pages: [
          "Common_questions",
          "HTML/Howto",
          "CSS/Howto",
          "JavaScript/Howto",
          "Common_questions/Web_mechanics",
          "Common_questions/Tools_and_setup",
          "Common_questions/Design_and_accessibility",
        ]
      }
    ]
  },
];

const sidebarURL = `/docs/Learn/`;
const baseURL = `/${env.locale}${sidebarURL}`;

async function getTitle(pageSlug) {
  let page = await wiki.getPage(`${baseURL}${pageSlug}`);
  if (!page.title) {
    page = await wiki.getPage(`/en-US${sidebarURL}${pageSlug}`);
  }
  return mdn.htmlEscape(page.title);
}

async function renderSubsection(subsection) {
  let output = `<li><details><summary>${l10nStrings[subsection.name]}</summary><ol>`;

  for (const page of subsection.pages) {
    const link = web.smartLink(`${baseURL}${page}`, null, await getTitle(page));
    output += `<li>${link}</li>`;
  }
  output += "</ol></details></li>";

  return output;
}

async function renderSection(section) {
  let output = `<li><a href="${baseURL}${section.link}"><strong>${l10nStrings[section.name]}</strong></a></li>`;

  for (const subsection of section.subsections) {
    output += await renderSubsection(subsection);
  }

  return output;
}

async function renderSidebar() {
  let output = '<section id="Quick_links" data-macro="LearnSidebar"><ol>';

  for (const section of sections) {
    output += await renderSection(section);
  }
  output += "</ol></section>";

  return output;
}

const output = await renderSidebar();

%>

<%-output%>