Web Apis Roadmap
20 sections • 372 topics
- 1. Element Selection (querySelector, querySelectorAll, getElementById)
- Example: Selection methods comparison
- 2. DOM Node Creation (createElement, createTextNode, appendChild)
- Example: Creating and inserting elements
- 3. Element Attributes (getAttribute, setAttribute, dataset)
- Example: Attribute manipulation
- Example: Content manipulation
- 4. CSS Classes (classList.add, classList.remove, classList.toggle)
- Example: Class manipulation with classList
- Example: Style manipulation
- 5. DOM Traversal (parentNode, children, nextSibling)
- Example: DOM traversal patterns
- 6. MutationObserver for DOM Changes
- Example: Basic mutation observer usage
- Example: Practical use cases
- 1. Event Listeners (addEventListener, removeEventListener, once)
- Example: Event listener registration patterns
- 2. Event Object (preventDefault, stopPropagation, target)
- Example: Event object properties
- Example: Controlling event behavior
- 3. Custom Events (CustomEvent, dispatchEvent)
- Example: Creating and dispatching custom events
- Example: Simulating native events
- 4. Touch and Pointer Events (touchstart, pointerdown)
- Example: Pointer events for unified input handling
- Example: Multi-touch handling
- 5. Keyboard and Mouse Events (keydown, click, mouseover)
- Example: Keyboard event handling
- Example: Mouse event handling
- 6. Event Delegation and Bubbling
- Example: Event delegation pattern
- Example: Event propagation and phases
- Example: Advanced delegation patterns
- Event Handling Best Practices
- 1. Fetch API (fetch, Request, Response, Headers)
- Example: Basic fetch usage
- Example: Headers and credentials
- 2. Fetch Advanced (AbortController, ReadableStream)
- Example: Aborting fetch requests
- Example: Streaming response data
- Example: Advanced patterns
- 3. XMLHttpRequest and AJAX
- Example: XMLHttpRequest basic usage (legacy)
- 4. WebSocket API (new WebSocket, send, onmessage)
- Example: WebSocket basic usage
- Example: WebSocket reconnection pattern
- 5. Server-Sent Events (EventSource, onmessage)
- Example: EventSource basic usage
- Example: Server-side SSE format (Node.js)
- 6. Navigator.sendBeacon for Analytics
- Example: sendBeacon usage patterns
- Network Communication Best Practices
- 1. localStorage and sessionStorage (setItem, getItem, removeItem)
- Example: Basic storage operations
- Example: Helper functions and patterns
- Example: Storage event for cross-tab communication
- 2. IndexedDB (open, objectStore, transaction)
- Example: Opening database and creating schema
- Example: CRUD operations
- Example: Indexes and cursors
- Example: Promise wrapper for easier async/await
- 3. Cache API (caches.open, cache.put, cache.match)
- Example: Basic Cache API usage
- Example: Cache strategies
- Example: Cache management
- 4. Cookies (document.cookie, expires, path)
- Example: Cookie helper functions
- 5. Origin Private File System API
- Example: Origin Private File System usage
- 6. Storage Quota (navigator.storage.estimate)
- Example: Checking storage quota
- Storage API Best Practices
- 1. HTML Media (play, pause, currentTime, volume)
- Example: Basic video controls
- Example: Event handling and progress tracking
- 2. getUserMedia (navigator.mediaDevices.getUserMedia)
- Example: Getting camera and microphone
- Example: Device enumeration and track control
- 3. MediaRecorder API (start, stop, ondataavailable)
- Example: Recording camera/microphone
- Example: Recording screen with chunked data
- 4. Web Audio API (AudioContext, createOscillator)
- Example: Basic audio playback and synthesis
- Example: Audio effects and filtering
- Example: Audio visualization with AnalyserNode
- 5. Canvas 2D (getContext, fillRect, drawImage, arc)
- Example: Basic shapes and text
- Example: Paths, gradients, and patterns
- Example: Transformations and animations
- Example: Pixel manipulation
- 6. WebGL API (getContext('webgl'), shaders)
- Example: Basic WebGL setup and triangle
- Example: Textured quad with WebGL
- Media and Graphics API Best Practices
- 1. Geolocation API (getCurrentPosition, watchPosition)
- Example: Get current location
- Example: Watch position and distance calculation
- 2. Device Orientation (deviceorientation, devicemotion)
- Example: Device orientation
- Example: Device motion and shake detection
- 3. Battery Status API (navigator.getBattery)
- Example: Battery status monitoring
- 4. Vibration API (navigator.vibrate)
- Example: Vibration patterns
- 5. Screen Orientation (screen.orientation.lock)
- Example: Detect and lock orientation
- 6. Sensor APIs (Accelerometer, Gyroscope)
- Example: Accelerometer usage
- Example: Gyroscope and orientation sensors
- Device and Sensor API Best Practices
- 1. File API (File, Blob, FileList)
- Example: File input and validation
- Example: Modern file reading with promises
- 2. FileReader (readAsText, readAsDataURL, onload)
- Example: FileReader with event handlers
- 3. Clipboard API (navigator.clipboard.writeText, readText)
- Example: Modern clipboard API
- Example: Legacy execCommand fallback
- 4. Drag and Drop (dragstart, drop, DataTransfer)
- Example: Basic drag and drop
- Example: File drag and drop
- 5. File System Access (showOpenFilePicker, showSaveFilePicker)
- Example: Open and read file
- Example: Save file
- 6. File Handle (createWritable, getFile)
- Example: Directory operations
- File and Clipboard API Best Practices
- 1. Service Worker (navigator.serviceWorker.register, install)
- Example: Register service worker
- Example: Service worker lifecycle (sw.js)
- 2. Service Worker Messages (postMessage, onmessage)
- Example: Page to service worker communication
- Example: Service worker to page communication
- 3. Background Sync (sync, periodicSync)
- Example: Background Sync for retry
- Example: Periodic Background Sync
- 4. Push API (PushManager.subscribe, showNotification)
- Example: Subscribe to push notifications
- Example: Handle push events in service worker
- 5. Background Fetch API
- Example: Background fetch for offline downloads
- 6. Workbox Strategies
- Example: Workbox setup
- Service Worker Best Practices
- 1. Performance Timing (performance.timing, navigationStart)
- Example: Navigation timing metrics
- 2. Resource Timing (performance.getEntriesByType)
- Example: Analyze resource loading
- 3. User Timing (performance.mark, performance.measure)
- Example: User timing for custom metrics
- Example: Performance monitoring helper
- 4. Paint Timing (first-paint, first-contentful-paint)
- Example: Measure paint timing
- Example: Web Vitals monitoring
- 5. Long Tasks API (PerformanceLongTaskTiming)
- Example: Monitor long tasks
- 6. PerformanceObserver (observe, entryTypes)
- Example: Performance observer patterns
- Example: Comprehensive performance monitoring
- Performance API Best Practices
- 1. IntersectionObserver (new IntersectionObserver, observe)
- Example: Basic intersection observer
- Example: Trigger animations on visibility
- 2. Intersection Options (root, rootMargin, threshold)
- Example: Root margin and thresholds
- 3. ResizeObserver (new ResizeObserver, observe)
- Example: Basic resize observer
- Example: Responsive component behavior
- 4. Observer Performance Patterns
- Example: Observer management patterns
- 5. Lazy Loading Images (IntersectionObserver)
- Example: Lazy load images
- 6. Infinite Scroll Implementation
- Example: Infinite scroll implementation
- Observer API Best Practices
- 1. Custom Elements (customElements.define, connectedCallback)
- Example: Basic custom element
- Example: Customized built-in element
- 2. Shadow DOM (attachShadow, shadowRoot)
- Example: Shadow DOM with styling
- 3. HTML Templates (template, content, cloneNode)
- Example: Template element usage
- 4. Slots (slot, slotchange event)
- Example: Slots for content projection
- 5. Element Internals (attachInternals, form integration)
- Example: Form-associated custom element
- 6. Adoptable Stylesheets (CSSStyleSheet, adoptedStyleSheets)
- Example: Adoptable stylesheets
- Web Components Best Practices
- 1. Web Authentication (navigator.credentials.create, get)
- Example: WebAuthn registration
- Example: WebAuthn authentication
- 2. Credential Management (PasswordCredential, FederatedCredential)
- Example: Password credential management
- 3. Payment Request (new PaymentRequest, show)
- Example: Payment Request API
- 4. Permissions API (navigator.permissions.query)
- Example: Check and request permissions
- 5. CSP Reporting (SecurityPolicyViolationEvent)
- Example: CSP violation monitoring
- 6. SubtleCrypto (crypto.subtle.encrypt, decrypt, sign)
- Example: Hash data with SHA-256
- Example: Encrypt/decrypt with AES-GCM
- Authentication and Security Best Practices
- 1. BroadcastChannel (new BroadcastChannel, postMessage)
- Example: Tab synchronization with BroadcastChannel
- Example: Real-time notification sync across tabs
- 2. Web Share API (navigator.share)
- Example: Share text and URL
- Example: Share files
- 3. Web Share Target API
- Example: Web app manifest for share target
- Example: Handle shared content in service worker
- Example: Process shared content in app
- 4. MessageChannel (new MessageChannel, port1, port2)
- Example: Communication between iframe and parent
- Example: Worker communication with MessageChannel
- Example: Dedicated communication channels
- 5. Cross-Origin Messaging (postMessage, origin)
- Example: Secure cross-origin iframe communication
- Example: Cross-origin authentication flow
- 6. Worker Communication
- Example: SharedWorker with MessagePort
- Example: Multi-worker coordination
- Communication and Sharing Best Practices
- 1. Notification API (new Notification, requestPermission)
- Example: Request permission and show notification
- Example: Notification with actions (Service Worker)
- 2. Push Notifications (PushSubscription, subscribe)
- Example: Subscribe to push notifications
- Example: Handle push messages in service worker
- 3. Badge API (navigator.setAppBadge)
- Example: Update app badge
- Example: Badge API in Service Worker
- 4. Wake Lock (navigator.wakeLock.request)
- Example: Prevent screen sleep during video playback
- Example: Recipe app with wake lock
- 5. Idle Detection (IdleDetector, requestPermission)
- Example: Detect user idle state
- Example: Auto-logout on idle
- 6. Picture-in-Picture (requestPictureInPicture)
- Example: Toggle Picture-in-Picture
- Example: Auto PiP on scroll or tab switch
- Example: Custom PiP controls
- Notification and Messaging Best Practices
- 1. Streams API (ReadableStream, WritableStream, TransformStream)
- Example: Read and process fetch response stream
- Example: Create custom ReadableStream
- Example: Transform stream for data processing
- 2. Compression Streams (CompressionStream, DecompressionStream)
- Example: Compress and decompress data
- Example: Compress file before upload
- Example: Download and decompress on the fly
- 3. Web Locks (navigator.locks.request)
- Example: Exclusive lock for critical section
- Example: Shared locks for read operations
- Example: Lock with timeout using AbortController
- 4. Scheduler API (scheduler.postTask, priority)
- Example: Prioritize tasks with scheduler.postTask
- Example: Break up long task with yields
- Example: Task scheduler with abort
- 5. View Transitions API (document.startViewTransition)
- Example: Basic view transition
- Example: Named transitions with CSS
- Example: Custom transition with CSS animations
- Example: SPA navigation with view transitions
- 6. Container Queries (@container)
- Example: Basic container queries in CSS
- Example: Check container query support in JavaScript
- Example: Dynamic responsive components
- Example: Container queries CSS for responsive component
- Modern Web Platform APIs Best Practices
- 1. Intl Object (Intl.DateTimeFormat, Intl.NumberFormat)
- Example: Check supported locales and values
- 2. Intl.DateTimeFormat (format, formatToParts)
- Example: Format dates in different locales
- Example: Time zones and formatting parts
- 3. Intl.NumberFormat (currency, unit, notation)
- Example: Format numbers, currency, and percentages
- Example: Units, compact notation, and advanced formatting
- 4. Intl.Collator (compare, sort)
- Example: Locale-aware string sorting
- Example: Search with different sensitivities
- 5. Intl.PluralRules (select, pluralization)
- Example: Pluralization rules for different locales
- Example: Build pluralized messages
- 6. Intl.Locale (language, region, script)
- Example: Parse and manipulate locale identifiers
- Example: Locale-specific calendar and numbering systems
- Internationalization and Formatting Best Practices
- 1. Web App Manifest (manifest.json, icons, theme_color)
- Example: Complete Web App Manifest
- Example: Link manifest and check installation
- 2. Install Prompts (beforeinstallprompt, prompt)
- Example: Custom install button with beforeinstallprompt
- Example: Check if already installed and detection
- 3. Window Controls Overlay (titleBarStyle)
- Example: Enable and use Window Controls Overlay
- Example: Handle title bar area in JavaScript
- Example: CSS for Window Controls Overlay
- 4. App Shortcuts (shortcuts in manifest)
- Example: Define app shortcuts in manifest
- Example: Handle shortcut navigation
- 5. Display Modes (standalone, fullscreen, minimal-ui)
- Example: Detect and respond to display mode
- Example: CSS for different display modes
- 6. Install Events (appinstalled)
- Example: Complete PWA lifecycle management
- Example: Update notification for PWA
- Progressive Web App APIs Best Practices
- 1. CSS.supports (CSS.supports('display', 'grid'))
- Example: Check CSS property support
- Example: Feature detection with fallbacks
- Example: CSS @supports in stylesheets
- 2. Navigator.userAgent (browser detection)
- Example: User agent detection (not recommended)
- Example: Modern User-Agent Client Hints API
- 3. MediaCapabilities (navigator.mediaCapabilities.decodingInfo)
- Example: Check video format support
- Example: Check audio format and select best quality
- 4. Permissions Policy (document.featurePolicy)
- Example: Check feature policy
- Example: Set Permissions Policy in HTTP headers and HTML
- Example: Use allow attribute on iframes
- 5. Navigator Properties (platform, language, onLine)
- Example: Detect device capabilities
- Example: Feature detection utilities
- 6. Feature Detection Patterns
- Example: Modernizr usage pattern
- Example: CSS with Modernizr classes
- Example: Manual polyfill loading strategy
- Browser Feature Detection Best Practices
- 1. WebGPU API (navigator.gpu.requestAdapter)
- Example: Initialize WebGPU
- Example: WebGPU compute shader
- 2. WebAssembly (WebAssembly.instantiate, Module)
- Example: Load and use WebAssembly module
- Example: WASM with shared memory and threads
- 3. WebNN (Web Neural Network API)
- Example: WebNN basic usage
- Example: Load and run ONNX model with WebNN
- 4. WebTransport API (new WebTransport)
- Example: WebTransport connection and streams
- Example: WebTransport datagrams for real-time data
- 5. WebCodecs (VideoEncoder, AudioDecoder)
- Example: Encode video frames
- Example: Decode and display video
- 6. Origin Trials (experimental features)
- Example: Register for Origin Trial
- Example: HTTP header registration and feature detection
- Example: Programmatic feature detection and flags
- Experimental and Emerging APIs Best Practices
- 1. Polyfills and Feature Detection
- Example: Comprehensive feature detection
- Example: Conditional polyfill loading
- 2. Error Handling (try-catch, Promise.catch)
- Example: Comprehensive error handling
- Example: API-specific graceful degradation
- 3. Performance Optimization
- Example: Debouncing and throttling
- Example: Request caching and deduplication
- Example: Request batching and Web Workers
- 4. Cross-Browser Compatibility
- Example: Cross-browser API access
- Example: Browser-specific workarounds
- 5. API Testing and Mocking
- Example: API mocking strategies
- Example: Integration testing with real APIs
- 6. Progressive Enhancement
- Example: Progressive enhancement framework
- Example: Adaptive component loading
- API Integration and Development Best Practices