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 5 · HTML, CSS, JS, React, Node

Backend Architecture with Node.js & Express

5 topics in 3 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
Backend Architecture with Node.js & Express
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 5 topics in Backend Architecture with Node.js & Express

  1. Node.js

    • Node.js Architecture & Libuv
    • Node Core Modules & Streams

  2. Express

    • Express Middleware & Routing

  3. Backend

    • RESTful API Architecture
    • JWT Authentication & Security