2.2M
COWhat is Javascript syntax?
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@codewithbangla
#Javascript Var Scope
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42.1K
COCommon elements of JavaScript syntax
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@codewithbangla
120.8K
SWLearning JavaScript was the best decision I ever made. If I had to re learn it, I would use this step by step roadmap for beginners 💪
Comment “massive” to get the AI tool that applies to jobs for you 🤝
#coding #codingforbeginners #learntocode #codingtips #javascript #computerscience #usemassive
@swerikcodes
65.6K
ALlet doesn’t have a block scope. Javascript interview questions.
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#javascript #frontend #reactjs #js #frontenddeveloper
@allahabadi.dev
2.6M
EZVar scope in Rust.
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#coding #programming #rust #javascript #scope
@ezsnippet
7.0K
THWhy We Don’t Use var in JavaScript ❌ | Use let & const Instead ⚠️
var looks harmless, but it can silently break your JavaScript code 😬
In this short, you’ll learn why var is dangerous and why modern JavaScript prefers let and const.
We cover:
Scope issues with var
Hoisting confusion
Why let & const are safer
Interview & real-world best practices
Save this if you’re learning JavaScript, MERN stack, or preparing for interviews 🚀
#javascript #var #let #const
#coding #programming
#webdevelopment #frontenddeveloper
#mernstack #nodejs
#learnjavascript #softwaredeveloper
#codingreels #ytshorts
@the.codingmonk
16.7K
BUBlock scope and function scope
Block scope limits variables to the nearest {} (like if, for, while, or try/catch), accessible only within that block, while function scope makes variables accessible throughout the entire function they’re declared in, regardless of inner blocks, typically for var declarations. Modern JavaScript (let and const) introduces block scope, offering more precise control, whereas var uses function scope, leading to potential confusion if used inside loops.
@bugthecode
560.7K
MYJavaScript Concepts
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1. Scope of variables (const, let and var)
2. Function & Variable hoisting
3. Closures
4. Callback Hell
5. Asynchronous vs Synchronous (How to implement both in JS)
6. 'this' variable in Javascript
7. Promises
8. Function.prototype & Inheritance in JavaScript
9. Call, Apply, Bind methods in JavaScript
10. Polyfill for bind()
11. Currying in JavaScript
12. localStorage vs sessionStorage
13. CORS
14. Event Loop
15. ES6 - Arrow function + why do we need them?
16. Cookies & how do they work?
17. Debouncing in JavaScript
18. Throttling in JavaScript
19. Debouncing vs Throttling
20. ES6 modules
21. web workers (& shared workers) and service workers
22. Async/Await
23. How do you add a poly-fill
24. Event bubbling/capturing
25. Event Delegation
26. functional programming with javascript
27. use strict in JavaScript
28. object.freeze in JavaScript
29. LESS
30. SCSS
31. SCSS vs SASS
32. super keyword in JavaScript
33. Lodash library
34. webpack
35. Modern ES6 features (spread operator, destructuring, etc.)
36. GraphQL
37. Testing in JavaScript with JEST
38. different methods of Array object in Javascript
39. Redux in React
40. Context API in React
41. Hooks in React (useState)
42. Component Lifecycle Hooks
43. Creating object clone in JS (Object.assign())
44. Shallow copy vs. Deep copy
45. JWT
46. Reference vs Value in JavaScript
47. Async vs Defer
48. Pop, Push, Shift and Unshift Array Methods in JavaScript
49. String.slice() vs String.substring() vs String.substr()
50. Array slice vs splice in JavaScript
@mycodeshala
162
THIf you're starting your JavaScript journey, this is for you 💻✨
Simple. Clear. Interview-ready concepts.
Save it. Revise it. Master it. 🚀
#webdevelopment #codinglife #learncoding #javascriptdeveloper
#frontenddeveloper programmingtips wordpressdeveloper
@thefriendlyprogrammer_official
1.3K
SYJavaScript Day 2 🚀
Understanding let, var, and const — small keywords, big impact.
Use const by default.
Use let when values change.
Forget var. 😄
#javascriptseries #syam_unfiltered #job #webdevelopment #frontend
Which one do you use most?
@syam_unfiltered
19.8K
COvar vs let vs const..
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#reactjs #javascript #javascriptdeveloper #interview #angular #vue #javascripttutorial #reactjsdeveloper #reactjsbootcamp #reactjsdevelopment #javascriptdeveloper #angular #vuejs #frontend #html #css #webdevelopment #developer #coding #webdevelopment #interview #coding #frontenddevelopment #frontendinterview #javascripttutorial #javascriptinterviewquestions
@coding__lyf
587.3K
HICode-splitting your app can help you “lazy-load” just the things that are currently needed by the user, which can dramatically improve the performance of your app. While you haven’t reduced the overall amount of code in your app, you’ve avoided loading code that the user may never need, and reduced the amount of code needed during the initial load.
~ReactJs Official Document
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[student,coding, code, react, learning, skill, upskill]
#coding #coder #frontend #fullstackdeveloper #reactjs #next #api #webdeveloper #webdevelopment #website #web #development #tips #softwaredevelopment #nextjoy #javascript #trainer #technology #smallbusiness #onlineteaching #collaboration #highonnknowledge
@highonnknowledge
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