Introduction to Frontend Frameworks: React, Angular & Vue
In the last decade, the front end of the web has transformed more rapidly than almost any other area of technology. What once relied on simple HTML templates and scattered JavaScript snippets has evolved into a universe of sophisticated architectures, dynamic interfaces, responsive design patterns, and user experiences that rival desktop applications. Today’s users expect web applications to feel alive—smooth transitions, instant interactions, intelligent components, and layouts that anticipate their needs. Meeting these expectations requires more than just technical skill; it requires tools that help developers build efficiently, think clearly, and create maintainable systems.
This is where modern frontend frameworks come into the picture. React, Angular, and Vue have become the three dominant players shaping how applications are built today. Millions of developers use them, thousands of companies depend on them, and countless digital experiences are powered by them. Each framework has its own philosophy, its own strengths, and its own way of helping teams solve problems. Learning them isn’t simply about mastering syntax—it’s about understanding the mindset of building interactive, scalable, and thoughtful user interfaces.
This course, which spans one hundred detailed articles, will guide you through the world of frontend frameworks in a way that reflects their depth and their influence. Whether you’re a beginner who wants to understand what makes these frameworks special, a backend developer stepping into the world of UI, or an experienced engineer looking to refine your craft, this journey will give you an authentic, grounded understanding of React, Angular, and Vue.
Before diving into the specifics of each framework, it helps to step back and look at why they became necessary in the first place. The early web was simple. Pages loaded, users read them, and then navigated to the next. JavaScript was sprinkled in for small enhancements. But as web businesses grew, so did expectations. Suddenly, the web needed to support dashboards, real-time updates, interactions that didn’t require full page reloads, and interfaces that were constantly changing based on the user's context.
With complexity came pain points. Code became harder to manage. Files ballooned in size. Developers found themselves writing the same logic repeatedly. Teams struggled to collaborate because everything felt tangled. It became clear that the web needed more structure—something to bring order, consistency, and clarity.
React, Angular, and Vue emerged as responses to this need. They weren’t built just to solve immediate problems; they were shaped to guide the future of web development.
React, created by engineers at Facebook, brought a radical idea: UI as a function of state. Instead of manually manipulating the DOM, developers would let React handle it by describing what the UI should look like. It encouraged thinking in components—small, self-contained pieces of logic and UI that could be reused and composed like building blocks. What looked strange at first (JSX, hooks, and one-way data flow) eventually became beloved for its flexibility and minimalism.
Angular, backed by Google, took a more structured approach. It offered a full, batteries-included solution: a router, built-in tooling, dependency injection, strong TypeScript support, and a framework that felt opinionated in all the right ways. Angular was designed for teams building large, interconnected applications where architecture and consistency were essential. Its comprehensiveness appealed to enterprises and organizations that needed predictability.
Vue, created by Evan You and maintained by a passionate global community, offered something in between: the simplicity of React with some structure from Angular. Vue quickly became known for its gentle learning curve, elegant syntax, and the way it helped developers transition from small ideas to full applications without friction. Its community-driven nature gave it a unique identity—one grounded in creativity, accessibility, and developer delight.
Although these three frameworks differ in many ways, they share something important: they were created to make development more intuitive, maintainable, and scalable. They don’t just offer tools—they offer ways of thinking.
Throughout this course, you will see how each framework approaches similar problems differently. You’ll learn how React encourages flexible component-driven patterns, how Angular provides architectural clarity, and how Vue promotes simplicity and balance. Seeing these perspectives side-by-side will make you a more thoughtful engineer, capable of choosing the right tool for the right problem.
A major theme you’ll encounter is the concept of components. Before frameworks, UI was built as large pages. With components, UI is broken into meaningful pieces—buttons, modals, cards, menus, lists—each with its own logic and behavior. Components become the language developers use to communicate structure. They promote reusability, consistency, and easier reasoning about applications. This shift was one of the most influential changes in frontend history. Understanding how each framework handles components will be a core part of your learning journey.
State management is another major topic. As applications grow, they become complex systems of data—user information, API responses, UI state, cached data, browser storage. Managing state can be challenging. React’s hooks, Angular’s services, and Vue’s reactivity system each offer different approaches. And then come the dedicated tools: Redux, MobX, NgRx, Pinia, and Vuex. Understanding when to use these tools, and when not to, will help you build applications that are predictable and stable.
Routing will also play a central role. Web applications today often behave more like single-page apps, where navigation happens smoothly without full reloads. Each framework has its own router with techniques to handle nested routes, dynamic parameters, authentication flows, and transitions. Routing is more than just linking pages—it’s about guiding users through meaningful, well-designed journeys.
Another core area is communication with APIs. Modern applications rarely live in isolation. They communicate with servers, databases, and other systems. Understanding how frameworks handle HTTP requests, caching, error handling, and asynchronous flows is essential. Throughout this course, you'll explore how to build reliable, secure, and efficient data-driven interfaces.
You’ll also spend time on styling and design systems. Frameworks don’t dictate how your UI should look, but the ecosystem around them offers many solutions—CSS modules, styled components, Angular’s style encapsulation, Vue’s scoped styles, Tailwind, Material design systems, and many more. Learning how to build visually consistent and maintainable designs is part of becoming a skilled frontend engineer.
Performance is another essential theme. Large applications can become slow if not optimized. React’s reconciliation, Angular’s change detection, and Vue’s reactivity system each handle performance differently. Understanding how to prevent unnecessary re-renders, optimize lists, lazy-load components, and use memoization will help you build fast, responsive apps.
One aspect many developers underestimate is testing. Modern frameworks encourage writing tests not as chores but as natural parts of development. You’ll explore unit testing, integration testing, snapshot testing, end-to-end testing, and the tools that support them—Jest, Jasmine, Karma, Cypress, Playwright, Testing Library, and more. Good testing brings confidence. It allows teams to move quickly without fear of breaking the invisible connections that hold applications together.
A recurring theme throughout this course will be ecosystem and community. React has one of the largest ecosystems of libraries and tools in the world. Angular has extensive enterprise support and a well-defined official suite. Vue thrives on creativity and contributions from passionate individuals. Learning how to navigate these ecosystems—how to choose reliable tools, understand trends, and make wise architectural decisions—is part of becoming a strong frontend developer.
This journey doesn’t stop at building individual components. As you progress, you will explore full application lifecycles—architecture, scaling, deployment, CI/CD pipelines, versioning, and long-term maintenance. You will discover how frameworks evolve, why version updates matter, how to migrate applications, and how to balance innovation with stability.
By the end of this course, you will not only understand React, Angular, and Vue individually—you’ll understand frontend development as a discipline. You’ll be able to evaluate trade-offs thoughtfully, build with clarity, and collaborate more effectively with teams. You’ll develop the instincts needed to create clean, robust, and future-ready applications.
More importantly, you will see why frameworks matter not just for developers, but for users. Behind every smooth interface, every seamless interaction, every elegant dashboard, there lies a thoughtful architecture shaped by people who understand how to bring ideas to life. React, Angular, and Vue are the tools that make this possible.
This course is your entry point into that world—a world where creativity meets engineering, where design meets logic, and where ideas become real experiences.
Welcome to your journey into frontend frameworks. Let’s begin.
1. Introduction to Frontend Frameworks
2. Understanding the Role of React, Angular, and Vue
3. Basics of Frontend Development
4. Introduction to React
5. Basics of React Components
6. Introduction to Angular
7. Basics of Angular Components
8. Introduction to Vue
9. Basics of Vue Components
10. Introduction to JSX in React
11. Basics of Templates in Angular
12. Introduction to Templates in Vue
13. Basics of State Management in React
14. Introduction to State Management in Angular
15. Basics of State Management in Vue
16. Introduction to Props in React
17. Basics of Input Properties in Angular
18. Introduction to Props in Vue
19. Basics of Event Handling in React
20. Introduction to Event Binding in Angular
21. Basics of Event Handling in Vue
22. Introduction to React Hooks
23. Basics of Angular Services
24. Introduction to Vue Directives
25. Basics of React Router
26. Introduction to Angular Router
27. Basics of Vue Router
28. Introduction to Styling in React
29. Basics of Styling in Angular
30. Introduction to Styling in Vue
31. Advanced React Components
32. Advanced Angular Components
33. Advanced Vue Components
34. Advanced JSX in React
35. Advanced Templates in Angular
36. Advanced Templates in Vue
37. Advanced State Management in React
38. Advanced State Management in Angular
39. Advanced State Management in Vue
40. Advanced Props in React
41. Advanced Input Properties in Angular
42. Advanced Props in Vue
43. Advanced Event Handling in React
44. Advanced Event Binding in Angular
45. Advanced Event Handling in Vue
46. Advanced React Hooks
47. Advanced Angular Services
48. Advanced Vue Directives
49. Advanced React Router
50. Advanced Angular Router
51. Advanced Vue Router
52. Advanced Styling in React
53. Advanced Styling in Angular
54. Advanced Styling in Vue
55. Advanced React Case Studies
56. Advanced Angular Case Studies
57. Advanced Vue Case Studies
58. Advanced React Best Practices
59. Advanced Angular Best Practices
60. Advanced Vue Best Practices
61. Advanced React Components
62. Advanced Angular Components
63. Advanced Vue Components
64. Advanced JSX in React
65. Advanced Templates in Angular
66. Advanced Templates in Vue
67. Advanced State Management in React
68. Advanced State Management in Angular
69. Advanced State Management in Vue
70. Advanced Props in React
71. Advanced Input Properties in Angular
72. Advanced Props in Vue
73. Advanced Event Handling in React
74. Advanced Event Binding in Angular
75. Advanced Event Handling in Vue
76. Advanced React Hooks
77. Advanced Angular Services
78. Advanced Vue Directives
79. Advanced React Router
80. Advanced Angular Router
81. Advanced Vue Router
82. Advanced Styling in React
83. Advanced Styling in Angular
84. Advanced Styling in Vue
85. Advanced React Case Studies
86. Advanced Angular Case Studies
87. Advanced Vue Case Studies
88. Advanced React Best Practices
89. Advanced Angular Best Practices
90. Advanced Vue Best Practices
91. Crafting the Perfect Frontend Framework Resume
92. Building a Strong Frontend Framework Portfolio
93. Common Frontend Framework Interview Questions and Answers
94. How to Approach Frontend Framework Interviews
95. Whiteboard Coding Strategies for Frontend Frameworks
96. Handling System Design Questions in Frontend Framework Interviews
97. Explaining Complex Frontend Framework Concepts in Simple Terms
98. Handling Pressure During Technical Interviews
99. Negotiating Job Offers: Salary and Benefits
100. Continuous Learning: Staying Relevant in Frontend Frameworks