Weird JavaScript - Part 1 🧑‍💻

#javascript #beginners #react #weird

Hey I am Javascript!!
Instead Weird Javascript.

Its look simple but its not !!

As being said, lets move straight to see some Weird parts:

Note: You can comment your answers

WJS - 1

function bark() {
  console.log('🐕 barkk barkk!🐕 ');
}

bark.animal = 'dog';

🔥🔥 What you think it will output 👨‍💻 ?
Answer:
with bark.animal=dog, one more element is get added to function bark(), don't be surprise, Everthing is Object in JavaScript and thats why its wired

One more
WJS - 2

let number = 0;
console.log(number++);
console.log(++number);
console.log(number);

🔥🔥 What you think it will output 👨‍💻 ?
Answer:

let number = 0;
console.log(number++); // Output : 0 and then increment it by 1 its known as return then increment
console.log(++number); // Output: 2 AND its increment then return
console.log(number); // it will log latest value of number i.e. 2
0 2 2

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Top comments (10)

Taiko • Feb 26 '22

i don't think there is anything weird with WJS-2 example. These operators are supposed to work like this in most (if not all) programming language.
num++ -> return then increment
++num -> increment then return

Temiloluwa Banks • Aug 23

Very amateur like

imsabir • Feb 27 '22

Updated the answers folks

'' • Feb 25 '22

Nothing
0 2 2

imsabir • Feb 24 '22

Follow @msabir for more such weird parts!! Also, You will receive daily update of why JS works like this,** JS under the hood ** article which I will be publishing in some time. Cheers!!