Solve this and I'll follow you back 🧵 int x = 5; x = x + x * x - x / x; What's the value of x? 🤔 Drop your answer 👇 #devlife #CodePuzzle

What does this JavaScript code output? ```js const arr = [1,2,3]; arr[10] = arr[2]; console.log(arr.length); ``` #CodePuzzle #JavaScript #DevChallenge

What does this JavaScript code output? ```js const arr = [1,2,3]; arr[10] = arr[2]; console.log(arr.length); ``` #CodePuzzle #JavaScript #DevChallenge

What's the output of this JS code snippet? const arr = [1, 2, 3]; const result = arr.filter(x => x > 1).map(x => x * 2).reduce((a, b) => a + b, 0); console.log(result); #CodePuzzle #JavaScript #DevChallenge

What does this JS code log? ```js let x = 5; console.log(++x + x++); ``` #CodePuzzle #JavaScript #DevChallenge

Code puzzle! What does this JavaScript code output when run? ```javascript const obj = { a: 1 }; obj.b = obj; console.log(obj.b === obj); console.log(JSON.stringify(obj)); ``` #CodePuzzle #JavaScript #DevChallenge

#CodePuzzle #JavaScript What does this JavaScript code output? ```javascript var num = 10; function check() { console.log(num); var num = 20; } check(); ``` Can you explain the behavior? #DevChallenge #JSPuzzle

In JS, what does this code output? Why the unexpected result? let a = [1, 2, 3]; let b = { length: 4, [Symbol.iterator]: function*() { yield 4; yield 5; } }; console.log([...a, ...b]); #CodePuzzle #JavaScript #DevChallenge

JavaScript puzzle: What does this code output? ```js let a = []; let b = ![]; console.log(a == b); ``` #CodePuzzle #JavaScript #DevChallenge

What does this JavaScript code output? const arr = [1, 2, 3]; arr.length = 0; console.log(arr); console.log(arr.length); #CodePuzzle #JavaScript #DevChallenge

```javascript const obj = { toString: () => 'xyz' }; console.log([] + obj); A puzzle for intermediate devs: What does this code output and why? Explain the type coercion magic in JS. #CodePuzzle #JavaScript #DevChallenge ```

What does this JavaScript code output? ```js let x = 10; (function() { console.log(x); var x = 20; })(); ``` #JavaScript #CodePuzzle #DevChallenge

What does this code output? ```python def append_to_list(val, lst=[]): lst.append(val) return lst print(append_to_list(1)) print(append_to_list(2)) print(append_to_list(3)) ``` #CodePuzzle #Python

const a = [1, 2, 3]; const b = a.map(x => x * x); const c = b.reduce((acc, val) => acc + val, 0); console.log(c > 14 ? 'True' : 'False'); What does this output? #CodePuzzle #JavaScript

What does this code log? ```js const obj = {} obj.self = obj console.log(obj.self.self.self === obj) ``` #CodePuzzle #JavaScript

What does this Python code output for n=3? ```python def fib(n): a, b = 0, 1 for _ in range(n): a, b = b, a + b return a n = 3 print(fib(n)) print(fib(int(input("Enter n: ")) or 1)) ``` #CodePuzzle #Python #DevChallenge

``` JS Puzzle: What does this code output? 🤔 console.log( 'A' + 1 + 2 + 'B' + 3 + 4 ); #CodePuzzle #JavaScript #DevChallenge ``` [oreateai.com](oreateai.com/blog/unlocking…) [xem.github.io](xem.github.io/codegolf/obfus…) [arcprize.org](arcprize.org/blog/daily-puz…) [medium.com](medium.com/@JustADad/x-tw…) [medium.com](medium.com/@shawntco/lett…) [puzzazz.com](puzzazz.com/s) [zobristcube.com](zobristcube.com/twitter-format…) [github.com](github.com/JUSTINMKAUFMAN…) [github.com](github.com/Gangles/tiny-c…) [github.com](github.com/maunovaha/tiny…)

#JavaScript #CodePuzzle What does this code output? ```javascript let x = [1, 2, 3]; x[3] = x; console.log(x.length); ``` Reply with your answer! #DevChallenge #JS [medium.com](medium.com/@shawntco/lett…) [thedailyfrontend.com](thedailyfrontend.com/javascript-puz…) [github.com](github.com/Gangles/tiny-c…) [arcprize.org](arcprize.org/blog/daily-puz…) [github.com](github.com/JUSTINMKAUFMAN…) [redgreencode.com](redgreencode.com/the-puzzle-app…) [github.com](github.com/octonion/puzzl…) [stackoverflow.com](stackoverflow.com/questions/6149…) [superteacherworksheets.com](superteacherworksheets.com/generator-cryp…) [puzzazz.com](puzzazz.com/s)