Subscribe now, एक simple और छोटा सा YouTube channel for quick & useful videos
👉 CodersMantra
https://youtube.com/@codersmantra?si=4DWOWhxZ-Kk0XaM7
👉 CodersMantra
https://youtube.com/@codersmantra?si=4DWOWhxZ-Kk0XaM7
YouTube
CodersMantra
Your go-to spot for all things coding, programming, and software development.
At Coder's Mantra make learning to code a fun and rewarding journey.
At Coder's Mantra make learning to code a fun and rewarding journey.
Media is too big
VIEW IN TELEGRAM
—————————————————————
🧨 Sharp your Array with this Fun Challenges
—————————————————————
Array Mastery with Fun Game
Play now
👉 https://t.me/CodersMantra/131
🧨 Sharp your Array with this Fun Challenges
—————————————————————
Array Mastery with Fun Game
Play now
👉 https://t.me/CodersMantra/131
Google Chrome ne haal hi mein DevTools mein ek AI Assistance feature pesh kiya hai 🔥
Aap iska upyog kar sakte hain:
- DOM elements ko customise karne ke liye
- UI bugs ko theek karne ke liye
- Aapke liye CSS likhne ke liye
- Aur bahut kuch...
Yeh web developers ke liye game-changing hai aur productivity ko bahut zyada badhaega.
Aap iska upyog kar sakte hain:
- DOM elements ko customise karne ke liye
- UI bugs ko theek karne ke liye
- Aapke liye CSS likhne ke liye
- Aur bahut kuch...
Yeh web developers ke liye game-changing hai aur productivity ko bahut zyada badhaega.
Media is too big
VIEW IN TELEGRAM
🔥 That's a fantastic tool for CSS developers.
it's a 🧨 goldmine of hundreds of stunning, pure CSS patterns and backgrounds. And the best part? They're all completely free.
Use these patterns to:
- Make hero sections pop.
- Design sleek dashboards.
- Elevate your portfolio.
This tool truly makes your work stand out from the crowd.
Visit 👉 PatternCraft
it's a 🧨 goldmine of hundreds of stunning, pure CSS patterns and backgrounds. And the best part? They're all completely free.
Use these patterns to:
- Make hero sections pop.
- Design sleek dashboards.
- Elevate your portfolio.
This tool truly makes your work stand out from the crowd.
Visit 👉 PatternCraft
Answer:
1-
(10 - 4 = 6, then + "2" → string concat → "62")
2-
(10 - 4 = 6, then 6 - 2 = 4)
1-
"10" - "4" + "2" → "62"
(10 - 4 = 6, then + "2" → string concat → "62")
2-
"10" - "4" - "2" → 4
(10 - 4 = 6, then 6 - 2 = 4)
Answer & Explanation:
null becomes 0 in numeric context.
null represents "no value" but converts to 0 in numeric operations.
undefined is not a number → NaN.
undefined represents "not defined" and converts to NaN in numeric operations
// 1
console.log(null + 1);
👉 null + 1 → 1
null becomes 0 in numeric context.
null represents "no value" but converts to 0 in numeric operations.
// 2
console.log(undefined + 1);
👉 undefined + 1 → NaN
undefined is not a number → NaN.
undefined represents "not defined" and converts to NaN in numeric operations
======The Hoisting Illusion - Explained======
✅ Case 1: Function Declaration
Output: "Hello!"
Explanation:
✅ Case 1: Function Declaration
greet();
function greet() {
console.log("Hello!");
}
Output: "Hello!"
Explanation:
- Function declarations are fully hoisted to the top of their scope
- Both the function name AND its body are hoisted
- The JavaScript engine effectively reorganizes the code
like this:👇
function greet() {
console.log("Hello!");
}
greet(); // Now it's called after declaration