Don't overwhelm to learn JavaScript, JavaScript is only this much
1.Variables
• var
• let
• const
2. Data Types
• number
• string
• boolean
• null
• undefined
• symbol
3.Declaring variables
• var
• let
• const
4.Expressions
Primary expressions
• this
• Literals
• []
• {}
• function
• class
• function*
• async function
• async function*
• /ab+c/i
• string
• ( )
Left-hand-side expressions
• Property accessors
• ?.
• new
• new .target
• import.meta
• super
• import()
5.operators
• Arithmetic Operators: +, -, *, /, %
• Comparison Operators: ==, ===, !=, !==, <, >, <=, >=
• Logical Operators: &&, ||, !
6.Control Structures
• if
• else if
• else
• switch
• case
• default
7.Iterations/Loop
• do...while
• for
• for...in
• for...of
• for await...of
• while
8.Functions
• Arrow Functions
• Default parameters
• Rest parameters
• arguments
• Method definitions
• getter
• setter
9.Objects and Arrays
• Object Literal: { key: value }
• Array Literal: [element1, element2, ...]
• Object Methods and Properties
• Array Methods: push(), pop(), shift(), unshift(),
splice(), slice(), forEach(), map(), filter()
10.Classes and Prototypes
• Class Declaration
• Constructor Functions
• Prototypal Inheritance
• extends keyword
• super keyword
• Private class features
• Public class fields
• static
• Static initialization blocks
11.Error Handling
• try,
• catch,
• finally (exception handling)
ADVANCED CONCEPTS
12.Closures
• Lexical Scope
• Function Scope
• Closure Use Cases
13.Asynchronous JavaScript
• Callback Functions
• Promises
• async/await Syntax
• Fetch API
• XMLHttpRequest
14.Modules
• import and export Statements (ES6 Modules)
• CommonJS Modules (require, module.exports)
15.Event Handling
• Event Listeners
• Event Object
• Bubbling and Capturing
16.DOM Manipulation
• Selecting DOM Elements
• Modifying Element Properties
• Creating and Appending Elements
17.Regular Expressions
• Pattern Matching
• RegExp Methods: test(), exec(), match(), replace()
18.Browser APIs
• localStorage and sessionStorage
• navigator Object
• Geolocation API
• Canvas API
19.Web APIs
• setTimeout(), setInterval()
• XMLHttpRequest
• Fetch API
• WebSockets
20.Functional Programming
• Higher-Order Functions
• map(), reduce(), filter()
• Pure Functions and Immutability
21.Promises and Asynchronous Patterns
• Promise Chaining
• Error Handling with Promises
• Async/Await
22.ES6+ Features
• Template Literals
• Destructuring Assignment
• Rest and Spread Operators
• Arrow Functions
• Classes and Inheritance
• Default Parameters
• let, const Block Scoping
23.Browser Object Model (BOM)
• window Object
• history Object
• location Object
• navigator Object
24.Node.js Specific Concepts
• require()
• Node.js Modules (module.exports)
• File System Module (fs)
• npm (Node Package Manager)
25.Testing Frameworks
• Jasmine
• Mocha
• Jest
1.Variables
• var
• let
• const
2. Data Types
• number
• string
• boolean
• null
• undefined
• symbol
3.Declaring variables
• var
• let
• const
4.Expressions
Primary expressions
• this
• Literals
• []
• {}
• function
• class
• function*
• async function
• async function*
• /ab+c/i
• string
• ( )
Left-hand-side expressions
• Property accessors
• ?.
• new
• new .target
• import.meta
• super
• import()
5.operators
• Arithmetic Operators: +, -, *, /, %
• Comparison Operators: ==, ===, !=, !==, <, >, <=, >=
• Logical Operators: &&, ||, !
6.Control Structures
• if
• else if
• else
• switch
• case
• default
7.Iterations/Loop
• do...while
• for
• for...in
• for...of
• for await...of
• while
8.Functions
• Arrow Functions
• Default parameters
• Rest parameters
• arguments
• Method definitions
• getter
• setter
9.Objects and Arrays
• Object Literal: { key: value }
• Array Literal: [element1, element2, ...]
• Object Methods and Properties
• Array Methods: push(), pop(), shift(), unshift(),
splice(), slice(), forEach(), map(), filter()
10.Classes and Prototypes
• Class Declaration
• Constructor Functions
• Prototypal Inheritance
• extends keyword
• super keyword
• Private class features
• Public class fields
• static
• Static initialization blocks
11.Error Handling
• try,
• catch,
• finally (exception handling)
ADVANCED CONCEPTS
12.Closures
• Lexical Scope
• Function Scope
• Closure Use Cases
13.Asynchronous JavaScript
• Callback Functions
• Promises
• async/await Syntax
• Fetch API
• XMLHttpRequest
14.Modules
• import and export Statements (ES6 Modules)
• CommonJS Modules (require, module.exports)
15.Event Handling
• Event Listeners
• Event Object
• Bubbling and Capturing
16.DOM Manipulation
• Selecting DOM Elements
• Modifying Element Properties
• Creating and Appending Elements
17.Regular Expressions
• Pattern Matching
• RegExp Methods: test(), exec(), match(), replace()
18.Browser APIs
• localStorage and sessionStorage
• navigator Object
• Geolocation API
• Canvas API
19.Web APIs
• setTimeout(), setInterval()
• XMLHttpRequest
• Fetch API
• WebSockets
20.Functional Programming
• Higher-Order Functions
• map(), reduce(), filter()
• Pure Functions and Immutability
21.Promises and Asynchronous Patterns
• Promise Chaining
• Error Handling with Promises
• Async/Await
22.ES6+ Features
• Template Literals
• Destructuring Assignment
• Rest and Spread Operators
• Arrow Functions
• Classes and Inheritance
• Default Parameters
• let, const Block Scoping
23.Browser Object Model (BOM)
• window Object
• history Object
• location Object
• navigator Object
24.Node.js Specific Concepts
• require()
• Node.js Modules (module.exports)
• File System Module (fs)
• npm (Node Package Manager)
25.Testing Frameworks
• Jasmine
• Mocha
• Jest
❤5
15 Best Project Ideas for Backend Development : 🛠️🌐
🚀 Beginner Level :
1. 📦 RESTful API for a To-Do App
2. 📝 Contact Form Backend
3. 🗂️ File Upload Service
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5. 🧾 Notes App Backend
🌟 Intermediate Level :
6. 🛒 E-commerce Backend with Cart & Orders
7. 🔐 Authentication System (JWT/OAuth)
8. 🧑🤝🧑 User Management API
9. 🧾 Invoice Generator API
10. 🧠 Blog CMS Backend
🌌 Advanced Level :
11. 🧠 AI Chatbot Backend Integration
12. 📈 Real-Time Stock Tracker using WebSockets
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ENJOY LEARNING 👍👍
🚀 Beginner Level :
1. 📦 RESTful API for a To-Do App
2. 📝 Contact Form Backend
3. 🗂️ File Upload Service
4. 📬 Email Subnoscription Service
5. 🧾 Notes App Backend
🌟 Intermediate Level :
6. 🛒 E-commerce Backend with Cart & Orders
7. 🔐 Authentication System (JWT/OAuth)
8. 🧑🤝🧑 User Management API
9. 🧾 Invoice Generator API
10. 🧠 Blog CMS Backend
🌌 Advanced Level :
11. 🧠 AI Chatbot Backend Integration
12. 📈 Real-Time Stock Tracker using WebSockets
13. 🎧 Music Streaming Server
14. 💬 Real-Time Chat Server
15. ⚙️ Microservices Architecture for Large Apps
Here you can find more Coding Project Ideas: https://whatsapp.com/channel/0029VazkxJ62UPB7OQhBE502
Web Development Jobs: https://whatsapp.com/channel/0029Vb1raTiDjiOias5ARu2p
JavaScript Resources: https://whatsapp.com/channel/0029VavR9OxLtOjJTXrZNi32
ENJOY LEARNING 👍👍
❤4
Top 10 Web Development Technologies 🌐
1. 🟨 JavaScript — 98% usage
2. 🔵 TypeScript — 78% adoption
3. 🟢 Node.js — 75% backend choice
4. ⚛️ React — 70% frontend framework
5. 🅰️ Angular — 55% enterprise use
6. 💚 Vue.js — 49% growing popularity
7. 🐍 Python — 48% for full-stack
8. 💎 Ruby on Rails — 45% rapid development
9. 🐘 PHP — 43% widespread use
10. ☕ Java — 40% enterprise solutions
📂 Web Development Resources
ENJOY LEARNING 👍👍
1. 🟨 JavaScript — 98% usage
2. 🔵 TypeScript — 78% adoption
3. 🟢 Node.js — 75% backend choice
4. ⚛️ React — 70% frontend framework
5. 🅰️ Angular — 55% enterprise use
6. 💚 Vue.js — 49% growing popularity
7. 🐍 Python — 48% for full-stack
8. 💎 Ruby on Rails — 45% rapid development
9. 🐘 PHP — 43% widespread use
10. ☕ Java — 40% enterprise solutions
📂 Web Development Resources
ENJOY LEARNING 👍👍
❤3👎1
🧠 90-Day Roadmap to Master Full Stack Development.pdf
137 KB
Roadmap to Master Full Stack Development ✅📚with Resources
Do not forget to React to this Message for More Content Like this👇
Thanks For Joining All❣
Do not forget to React to this Message for More Content Like this👇
Thanks For Joining All❣
👍5❤2
Frontend Development Interview Questions
Beginner Level
1. What are semantic HTML tags?
2. Difference between id and class in HTML?
3. What is the Box Model in CSS?
4. Difference between margin and padding?
5. What is a responsive web design?
6. What is the use of the <meta viewport> tag?
7. Difference between inline, block, and inline-block elements?
8. What is the difference between == and === in JavaScript?
9. What are arrow functions in JavaScript?
10. What is DOM and how is it used?
Intermediate Level
1. What are pseudo-classes and pseudo-elements in CSS?
2. How do media queries work in responsive design?
3. Difference between relative, absolute, fixed, and sticky positioning?
4. What is the event loop in JavaScript?
5. Explain closures in JavaScript with an example.
6. What are Promises and how do you handle errors with .catch()?
7. What is a higher-order function?
8. What is the difference between localStorage and sessionStorage?
9. How does this keyword work in different contexts?
10. What is JSX in React?
Advanced Level
1. How does the virtual DOM work in React?
2. What are controlled vs uncontrolled components in React?
3. What is useMemo and when should you use it?
4. How do you optimize a large React app for performance?
5. What are React lifecycle methods (class-based) and their hook equivalents?
6. How does Redux work and when should you use it?
7. What is code splitting and why is it useful?
8. How do you secure a frontend app from XSS attacks?
9. Explain the concept of Server-Side Rendering (SSR) vs Client-Side Rendering (CSR).
10. What are Web Components and how do they work?
React ❤️ for the detailed answers
Join for free resources: 👇 https://whatsapp.com/channel/0029VaiSdWu4NVis9yNEE72z
Beginner Level
1. What are semantic HTML tags?
2. Difference between id and class in HTML?
3. What is the Box Model in CSS?
4. Difference between margin and padding?
5. What is a responsive web design?
6. What is the use of the <meta viewport> tag?
7. Difference between inline, block, and inline-block elements?
8. What is the difference between == and === in JavaScript?
9. What are arrow functions in JavaScript?
10. What is DOM and how is it used?
Intermediate Level
1. What are pseudo-classes and pseudo-elements in CSS?
2. How do media queries work in responsive design?
3. Difference between relative, absolute, fixed, and sticky positioning?
4. What is the event loop in JavaScript?
5. Explain closures in JavaScript with an example.
6. What are Promises and how do you handle errors with .catch()?
7. What is a higher-order function?
8. What is the difference between localStorage and sessionStorage?
9. How does this keyword work in different contexts?
10. What is JSX in React?
Advanced Level
1. How does the virtual DOM work in React?
2. What are controlled vs uncontrolled components in React?
3. What is useMemo and when should you use it?
4. How do you optimize a large React app for performance?
5. What are React lifecycle methods (class-based) and their hook equivalents?
6. How does Redux work and when should you use it?
7. What is code splitting and why is it useful?
8. How do you secure a frontend app from XSS attacks?
9. Explain the concept of Server-Side Rendering (SSR) vs Client-Side Rendering (CSR).
10. What are Web Components and how do they work?
React ❤️ for the detailed answers
Join for free resources: 👇 https://whatsapp.com/channel/0029VaiSdWu4NVis9yNEE72z
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30 Python libraries .pdf
9.3 MB
30 Python libraries .pdf
Share it: https://news.1rj.ru/str/pythonanalyst
Share it: https://news.1rj.ru/str/pythonanalyst
❤3
*You can learn ReactJS easily 🤩*
Here's all you need to get started 🙌
1.Components
• Functional Components
• Class Components
• JSX (JavaScript XML) Syntax
2.Props (Properties)
• Passing Props
• Default Props
• Prop Types
3.State
• useState Hook
• Class Component State
• Immutable State
4.Lifecycle Methods (Class Components)
• componentDidMount
• componentDidUpdate
• componentWillUnmount
5.Hooks (Functional Components)
• useState
• useEffect
• useContext
• useReducer
• useCallback
• useMemo
• useRef
• useImperativeHandle
• useLayoutEffect
6.Event Handling
• Handling Events in Functional Components
• Handling Events in Class Components
7.Conditional Rendering
• if Statements
• Ternary Operators
• Logical && Operator
8.Lists and Keys
• Rendering Lists
• Keys in React Lists
9.Component Composition
• Reusing Components
• Children Props
• Composition vs Inheritance
10.Higher-Order Components (HOC)
• Creating HOCs
• Using HOCs for Reusability
11.Render Props
• Using Render Props Pattern
12.React Router
• <BrowserRouter>
• <Route>
• <Link>
• <Switch>
• Route Parameters
13.Navigation
• useHistory Hook
• useLocation Hook
State Management
14.Context API
• Creating Context
• useContext Hook
15.Redux
• Actions
• Reducers
• Store
• connect Function (React-Redux)
16.Forms
• Handling Form Data
• Controlled Components
• Uncontrolled Components
17.Side Effects
• useEffect for Data Fetching
• useEffect Cleanup
18.AJAX Requests
• Fetch API
• Axios Library
Error Handling
19.Error Boundaries
• componentDidCatch (Class Components)
• ErrorBoundary Component (Functional
Components)
20.Testing
• Jest Testing Framework
• React Testing Library
21. Best Practices
• Code Splitting
• PureComponent and React.memo
• Avoiding Reconciliation
• Keys for Dynamic Lists
22.Optimization
• Memoization
• Profiling and Performance Monitoring
23. Build and Deployment
• Create React App (CRA)
• Production Builds
• Deployment Strategies
Frameworks and Libraries
24.Styling Libraries
• Styled-components
• CSS Modules
25.State Management Libraries
• Redux
• MobX
26.Routing Libraries
• React Router
• Reach Router
Here's all you need to get started 🙌
1.Components
• Functional Components
• Class Components
• JSX (JavaScript XML) Syntax
2.Props (Properties)
• Passing Props
• Default Props
• Prop Types
3.State
• useState Hook
• Class Component State
• Immutable State
4.Lifecycle Methods (Class Components)
• componentDidMount
• componentDidUpdate
• componentWillUnmount
5.Hooks (Functional Components)
• useState
• useEffect
• useContext
• useReducer
• useCallback
• useMemo
• useRef
• useImperativeHandle
• useLayoutEffect
6.Event Handling
• Handling Events in Functional Components
• Handling Events in Class Components
7.Conditional Rendering
• if Statements
• Ternary Operators
• Logical && Operator
8.Lists and Keys
• Rendering Lists
• Keys in React Lists
9.Component Composition
• Reusing Components
• Children Props
• Composition vs Inheritance
10.Higher-Order Components (HOC)
• Creating HOCs
• Using HOCs for Reusability
11.Render Props
• Using Render Props Pattern
12.React Router
• <BrowserRouter>
• <Route>
• <Link>
• <Switch>
• Route Parameters
13.Navigation
• useHistory Hook
• useLocation Hook
State Management
14.Context API
• Creating Context
• useContext Hook
15.Redux
• Actions
• Reducers
• Store
• connect Function (React-Redux)
16.Forms
• Handling Form Data
• Controlled Components
• Uncontrolled Components
17.Side Effects
• useEffect for Data Fetching
• useEffect Cleanup
18.AJAX Requests
• Fetch API
• Axios Library
Error Handling
19.Error Boundaries
• componentDidCatch (Class Components)
• ErrorBoundary Component (Functional
Components)
20.Testing
• Jest Testing Framework
• React Testing Library
21. Best Practices
• Code Splitting
• PureComponent and React.memo
• Avoiding Reconciliation
• Keys for Dynamic Lists
22.Optimization
• Memoization
• Profiling and Performance Monitoring
23. Build and Deployment
• Create React App (CRA)
• Production Builds
• Deployment Strategies
Frameworks and Libraries
24.Styling Libraries
• Styled-components
• CSS Modules
25.State Management Libraries
• Redux
• MobX
26.Routing Libraries
• React Router
• Reach Router
❤3😁1
htmlcheatsheet.pdf
244.3 KB
HTML Input Types Cheat Sheet 📄
Confused between text, email, number, range, file, and others? This PDF clears it all! 🔥
🧠 Covers every input type with examples.
React ❤️ for more quick-reference PDFs!
Confused between text, email, number, range, file, and others? This PDF clears it all! 🔥
🧠 Covers every input type with examples.
React ❤️ for more quick-reference PDFs!
❤3
Project ideas for Web Development 👆
💡 How many of these you have build already?
💡 How many of these you have build already?
❤2🔥1