Try to guess the output of this code without running it. Let me know in the comment what you got 😉
let num = 10;
for(let i = 0; i < num; i++){
console.log(num);
num--;
}
hint: You may have got the first half right
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Top comments (16)
Output (i/num after iteration):
10 (1/9)
9 (2/8)
8 (3/7)
7 (4/6)
6 (5/5) - loop terminates as
!(i < num).The output of this code is me telling you to fix that code 🤣 ... jokes aside, if you see a pice of code like this, your first question should be:
I'm sure that if you see this in "production", there was a typo somewhere, because the actual behavior (looping down from 10 to 6), can be achieved with a much clearer code, so is surely a mistake if you see something like that.
Cheers!
Yes, It was just a trick question for newbies
I know, and my comment is explaining "newbies" that you don't always have to resolve the problem in interviews. Sometimes the best answer is: "I don't understand your code/intention", instead of banging your head against the keyboard.
Nice one!
The solution is:
10
9
8
7
6
The explanation:
1- It'll output 10 since we didn't change it yet.
2- We'll increase i to
1and num decreased to9.3- Increases i to
2and num decreased to8.4- Increases i to
3and num decreased to7.5- Increases i to
4and num decreased to6.Then it ends, 'cause num will be
5while i will be the equal, so it stops.10
9
8
7
6
5
4
3
2
am i correct?
Thanks for trying. but actually its wrong
a unicorn bookmark well earned. ty for this.
Many many Thank s 💓
10
9
8
7
6
this should be the output.
Is it uhmm
10
9
8
7
6
Correct
10, 9, 8, 7, 6
Correct
10, 9, 8, 7, 6
for loop stop when num = 5, ( every console.log in for decrease num for 1 )
right