void Operator Returns WHAT?!

🤯 MIND BLOWN! The void operator ALWAYS returns undefined, no matter what! void(1+2+3) = undefined! This ancient JavaScript feature is still used in modern code. 95% of devs don't know this exists!

#javascript #javascripttricks #codingchallenge #voidoperator #javascriptoperators #javascriptquiz #javascriptweird #javascriptwtf #javascriptsecrets #codingtips #javascriptshorts

https://www.youtube.com/watch?v=eP1S-b28YM4

void Operator Returns WHAT?! #javascripttricks

YouTube

Comma Operator Returns LAST Value Only?!

⚠️ THIS IS INSANE! The comma operator evaluates ALL expressions but returns ONLY the last one! (1,2,3,4,5) = 5! Used in for loops everywhere but nobody notices. Tag a dev who needs this!

#javascript #javascripttricks #codingchallenge #commaoperator #javascriptoperators #javascriptquiz #javascriptweird #javascriptwtf #forloops #codinginterview #javascriptshorts

https://www.youtube.com/watch?v=DEtGXfUIjsE

Comma Operator Returns LAST Value Only?! #codingchallenge

YouTube