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๐ฏ ๐
๐ซ๐จ๐ง๐ญ๐๐ง๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ ๐๐จ๐ซ ๐๐ซ๐จ๐๐ฎ๐๐ญ ๐๐๐ฌ๐๐ ๐๐จ๐ฆ๐ฉ๐๐ง๐ข๐๐ฌ ๐ฅ
โ
A roadmap is the best way to kick-start your attempt to become a front-end developer.
๐ ๐๐ฎ๐๐ถ๐ฐ ๐๐ฎ๐๐ฎ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
1. Data types
2. Functions
3. Scope in JavaScript
4. Closure
5. Event loop
6. Prototype and prototype chain
7. Class and inheritance
8. DOM
9. bind/call/apply
10. Promise
11. WebAPI
12. Task queue
13. Call stack
14. Async/await
15. Generators
16. Typescript
๐ ๐๐ฎ๐๐ถ๐ฐ ๐๐ง๐ ๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
1. block element
2. import
3. etc - infinite questions
๐ ๐๐ฎ๐๐ถ๐ฐ ๐๐ฆ๐ฆ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
1. Class and other selectors
2. Pseudo Classes
3. Box Model
4. Pseudo Elements
5. CSS type - flex, grid, normal
6. How to center
7. pseudo classes and elements
8. All element states - active, hover
9. Media queries
10. Pre-processors - SCSS or LESS
1. mixins
11. CSS constants
12. BEM
13. Import
๐ ๐๐ฎ๐๐ถ๐ฐ ๐ช๐ฒ๐ฏ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
1. Page rendering cycle
2. HTTP / HTTPS / https2
3. CORS
4. Local storage/Session storage
5. Cookie
6. JWT
7. XHR
8. Micro Frontend
9. REST/GraphQL/Socket connection
10. Browser Concepts
11. Debugging Application
12. Chrome Dev Tool Features
๐ ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐๐ฎ๐๐ฎ๐ฆ๐ฐ๐ฟ๐ถ๐ฝ๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
1. OOPs concept
2. Design Patterns
a. Singleton
b. Provider
c. Prototype
d. Observer
e. Module
f. HOC
3. Understanding V8 in-depth
a. JIT
b. Interpreter
c. Execution
d. Compiler
4. Currying
๐ ๐๐ฎ๐๐ถ๐ฐ ๐ฅ๐ฒ๐ฎ๐ฐ๐๐๐ฆ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐ (bonus): -
1. Introduction JSX
2. React Component
3. Component State and Props
4. Adding Style (CSS)
5. Functional and Class components
6. React Lifecycle Methods
7. Virtual DOM
8. React Hooks
9. Custom Hooks
10. Context API
11. Synthetic Events
12. Routing
13. Data Flow (Redux/Flux)
14. Server-Side Rendering
15. Unit Testing
16. Jest & React Testing Library
17. Mocking Data
18. Understanding Webpack (Bundler)
19. Babel, env, prettier, linter
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ENJOY LEARNING๐๐
๐ 3
Next.js is the future of frontend frameworks.
One of the main aspects of frontend development is routing, right? Next.js has revolutionized routing by providing file-based routing, which is amazing.
Iโve explained it in detail below, and you can check it out.
Includes detailed explanation or list of features:
1. File-Based Routing:
- Next.js uses a file-based routing system.
- Pages are created by adding files to the pages directory.
- The file name determines the route path.
2. Basic Pages:
- A file named index.js in the pages directory corresponds to the root URL (/).
- A file named about.js in the pages directory corresponds to the /about route.
3. Nested Routes:
- Create subdirectories inside the pages directory for nested routes.
- For example, pages/blog/index.js maps to /blog, and pages/blog/post.js maps to /blog/post.
4. Dynamic Routing:
- Use square brackets to create dynamic routes.
- For example, pages/blog/[id].js maps to /blog/:id, where id can be any value.
5. Linking Between Pages:
- Use the Link component from next/link to link between pages without a full page reload.
- Example: <Link href=โ/aboutโ><a>About</a></Link>.
6. API Routes:
- Create API endpoints by adding files to the pages/api directory.
- For example, pages/api/users.js creates an endpoint at /api/users.
7. Custom 404 Page:
- Create a 404.js file in the pages directory to customize the 404 error page.....
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7 steps to become a JavaScript Full-stack Developer:
1. HTML
2. CSS
3. Javascript
4. Tailwind / Bootstrap
5. React
6. Nextjs
7. Build 3 mini projects
๐ 2
Here are some common frontend interview questions along with brief answers:
1. What is the DOM (Document Object Model)?
- Answer: The DOM is a programming interface for web documents. It represents the structure of a web page and allows scripts to dynamically access and update the content, structure, and style of a webpage.
2. Explain the difference between null and undefined in JavaScript.
- Answer: null represents the intentional absence of any object value, while undefined represents a variable that has been declared but has not been assigned a value.
3. What are closures in JavaScript?
- Answer: Closures are functions that remember the scope in which they were created, even after that scope has exited. They have access to variables from their containing function's scope.
4. Describe the differences between CSS Grid and Flexbox.
- Answer: CSS Grid is a two-dimensional layout system, while Flexbox is one-dimensional. Grid is used for overall layout structure, while Flexbox is ideal for distributing space and aligning items within a container along a single axis.
5. What is responsive web design, and how do you achieve it?
- Answer: Responsive web design is an approach to design and coding that makes web pages render well on various devices and screen sizes. Achieve it through media queries, flexible grids, and fluid images.
6. Explain the "box model" in CSS.
- Answer: The box model describes how elements on a web page are rendered. It consists of content, padding, border, and margin, and these properties determine the element's total size.
7. How does the event delegation work in JavaScript?
- Answer: Event delegation is a technique where you attach a single event listener to a common ancestor of multiple elements instead of attaching listeners to each element individually. Events that bubble up from child elements can be handled by the ancestor.
8. What is the purpose of the localStorage and sessionStorage objects in JavaScript?
- Answer: Both localStorage and sessionStorage allow you to store key-value pairs in a web browser. The key difference is that data stored in localStorage persists even after the browser is closed, whereas data in sessionStorage is cleared when the session ends (e.g., when the browser is closed).
9. Explain the same-origin policy in the context of web security.
- Answer: The same-origin policy is a security measure that restricts web pages from making requests to a different domain (protocol, port, or host) than the one that served the web page. It helps prevent cross-site request forgery (CSRF) and other security vulnerabilities.
10. What are the benefits of using a CSS preprocessor like Sass or Less?
- Answer: CSS preprocessors provide benefits such as variables, nesting, functions, and mixins, which enhance code reusability, maintainability, and organization. They allow you to write cleaner and more efficient CSS.
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