Web Development chapters
  1. 01HTML5 & Semantic Web Architecture
  2. 02CSS3 & Modern Styling Architecture
  3. 03Modern JavaScript (ES6+ & Asynchronous Engine)
  4. 04React.js Frontend Framework
  5. 05Backend Architecture with Node.js & Express

Chapter 4 · HTML, CSS, JS, React, Node

React.js Frontend Framework

8 topics in 1 parts

Key ideas

Flex Container (display: flex; justify-content: space-between; align-items: center;) Main Axis (Row) ➜ Cross Axis ⬇ Flex Item 1 flex: 1 Flex Item 2 flex: 2 (Grows) Flex Item 3 flex: 1
React.js Frontend Framework
Technical AspectRecommended StandardCommon Pitfall to Avoid
DOM / Render PerformanceHardware accelerated transforms & batch updatesForcing synchronous layout thrashing (repeated offsetHeight calls)
Accessibility (a11y)Semantic tags with proper ARIA attributesDiv soup with no keyboard navigation
Responsive DesignFluid layouts using Flexbox, CSS Grid & clamp()Fixed pixel widths causing mobile horizontal overflows
State ManagementUnidirectional data flow with clean cleanup hooksDirect DOM manipulation or stale closure bugs

All 8 topics in React.js Frontend Framework

  1. React

    • Virtual DOM & JSX
    • React Components & Props
    • useState Hook & State Updates
    • useEffect Hook & Lifecycle
    • Context API & Global State
    • useMemo & useCallback Optimization
    • Custom React Hooks
    • React Router Architecture