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πŸŒ• 𝑯𝒆𝒓𝒆 π’šπ’π’– π’˜π’Šπ’π’ π’ˆπ’†π’• πŸ‘‡

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Master Javascript :

The JavaScript Tree πŸ‘‡
|
|── Variables
| β”œβ”€β”€ var
| β”œβ”€β”€ let
| └── const
|
|── Data Types
| β”œβ”€β”€ String
| β”œβ”€β”€ Number
| β”œβ”€β”€ Boolean
| β”œβ”€β”€ Object
| β”œβ”€β”€ Array
| β”œβ”€β”€ Null
| └── Undefined
|
|── Operators
| β”œβ”€β”€ Arithmetic
| β”œβ”€β”€ Assignment
| β”œβ”€β”€ Comparison
| β”œβ”€β”€ Logical
| β”œβ”€β”€ Unary
| └── Ternary (Conditional)
||── Control Flow
| β”œβ”€β”€ if statement
| β”œβ”€β”€ else statement
| β”œβ”€β”€ else if statement
| β”œβ”€β”€ switch statement
| β”œβ”€β”€ for loop
| β”œβ”€β”€ while loop
| └── do-while loop
|
|── Functions
| β”œβ”€β”€ Function declaration
| β”œβ”€β”€ Function expression
| β”œβ”€β”€ Arrow function
| └── IIFE (Immediately Invoked Function Expression)
|
|── Scope
| β”œβ”€β”€ Global scope
| β”œβ”€β”€ Local scope
| β”œβ”€β”€ Block scope
| └── Lexical scope
||── Arrays
| β”œβ”€β”€ Array methods
| | β”œβ”€β”€ push()
| | β”œβ”€β”€ pop()
| | β”œβ”€β”€ shift()
| | β”œβ”€β”€ unshift()
| | β”œβ”€β”€ splice()
| | β”œβ”€β”€ slice()
| | └── concat()
| └── Array iteration
| β”œβ”€β”€ forEach()
| β”œβ”€β”€ map()
| β”œβ”€β”€ filter()
| └── reduce()|
|── Objects
| β”œβ”€β”€ Object properties
| | β”œβ”€β”€ Dot notation
| | └── Bracket notation
| β”œβ”€β”€ Object methods
| | β”œβ”€β”€ Object.keys()
| | β”œβ”€β”€ Object.values()
| | └── Object.entries()
| └── Object destructuring
||── Promises
| β”œβ”€β”€ Promise states
| | β”œβ”€β”€ Pending
| | β”œβ”€β”€ Fulfilled
| | └── Rejected
| β”œβ”€β”€ Promise methods
| | β”œβ”€β”€ then()
| | β”œβ”€β”€ catch()
| | └── finally()
| └── Promise.all()
|
|── Asynchronous JavaScript
| β”œβ”€β”€ Callbacks
| β”œβ”€β”€ Promises
| └── Async/Await
|
|── Error Handling
| β”œβ”€β”€ try...catch statement
| └── throw statement
|
|── JSON (JavaScript Object Notation)
||── Modules
| β”œβ”€β”€ import
| └── export
|
|── DOM Manipulation
| β”œβ”€β”€ Selecting elements
| β”œβ”€β”€ Modifying elements
| └── Creating elements
|
|── Events
| β”œβ”€β”€ Event listeners
| β”œβ”€β”€ Event propagation
| └── Event delegation
|
|── AJAX (Asynchronous JavaScript and XML)
|
|── Fetch API
||── ES6+ Features
| β”œβ”€β”€ Template literals
| β”œβ”€β”€ Destructuring assignment
| β”œβ”€β”€ Spread/rest operator
| β”œβ”€β”€ Arrow functions
| β”œβ”€β”€ Classes
| β”œβ”€β”€ let and const
| β”œβ”€β”€ Default parameters
| β”œβ”€β”€ Modules
| └── Promises
|
|── Web APIs
| β”œβ”€β”€ Local Storage
| β”œβ”€β”€ Session Storage
| └── Web Storage API
|
|── Libraries and Frameworks
| β”œβ”€β”€ React
| β”œβ”€β”€ Angular
| └── Vue.js
||── Debugging
| β”œβ”€β”€ Console.log()
| β”œβ”€β”€ Breakpoints
| └── DevTools
|
|── Others
| β”œβ”€β”€ Closures
| β”œβ”€β”€ Callbacks
| β”œβ”€β”€ Prototypes
| β”œβ”€β”€ this keyword
| β”œβ”€β”€ Hoisting
| └── Strict mode
|
| END __
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April Month Hiring internship and job list

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*Tech News*❗️❗️

➑️Swiggy launches β€˜Pyng’ app to connect users with verified professionals through AI.

➑️PhonePe UPI Circle feature with seamless Payment Authorisation launched in India.

➑️Blinkit now delivers Airtel SIM cards to your doorstep in 10 minutes.

➑️OpenAI unveils GPT-4.1 API for developers with enhanced coding capabilities and lower costs.

➑️Apple to Process User Data On-Device to Power AI Features.

➑️Nvidia plans to manufacture AI chips in the U.S. for the first time.

➑️OpenAI is working on X-like social media network.

➑️Apple takes top spot for first-quarter smartphone sales.
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Top 50 Linux Commands You Must Know as a Regular User...

1. ls - view contents of directory (list)
2. pwd - path of the current directory
3. cd - change directoryn
4. mkdir - make new directory
5. mv - move files / rename files
6. cp - copy files
7. rm - remove files
8. touch - create blank new file
9. rmdir - delete directory
10. cat - list content of file to terminal
11. clear - clear terminal window
12. echo - move data into a file
13. less - Read text file one screen at a time
14. man - show manual of Linux commands
15. sudo - enables you to perform tasks that require administrative or root permissions
16. top - task manager in terminal
17. tar - used to archive multiple files into a tarball
18. grep - used to searching words in specific files
19. head - view first lines of any text file
20. tail - view last lines of any text file
21. diff - compares the contents of two files line by line
22. kill - used for killing unresponsive program
23. jobs - display all current jobs along with their statuses
24. sort - is a command line utility for sorting lines of text files
25. df - info about system disk
26. du - check how much space a file or directory takes
27. zip - to compress your files into a zip archive
28. unzip - to extract the zipped files from a zip archive
29. ssh - a secure encrypted connection between two hosts over and insecure network
30. cal - shows calendar
31. apt - command line tool for interaction with packaging system
32. alias - custom shortcuts used to represent a command
33. w - current user info
34. whereis - used to locate the binary, source, manual page files
35. whatis - used to get one-line man page description
36. useradd - used to create a new user
37. passwd - used to changing password of current user
38. whoami - print current user
39. uptime - print current time when machine starts
40. free - print free disk space info
41. history - print used commands history
42. uname - print detailed information about your Linux system
43. ping - to check connectivity status to a server
44. chmod - to change permissions of files and directories
45. chown - to change ownership of files and directories
46. find - using find searches for files and directories
47. locate - used to locate a file, just like the search command in Windows
48. ifconfig - print ip address stuff
49. ip a - similar to ifconfig but shortest print
50. finger - gives you a short dump of info about a user
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