Why is the first log 0 and the second, 1 and so on. ... In the console i don't get it

Question

for(x=0;x<=8;x++){
x+=x-x++;
console.log(x)
}

Answer 1

Json✌
This snippet below does the same thing without the second line in your example.

I would like to say nasty things about that 2nd line as I disagree with bits of code that deliberately do nothing but cause confusion, (unless it is to try and protectively obfuscate)

for(x=0;x<=8;x++){
console.log(x)
}

Answer 2

I agree with Rik, generally having a simple solution that works and is easy to understand is better than an unnecessarily complicated one, I personally favor having clear and understandable code for this reason.

Try looking at changing the different parts of the for loop to test your understanding of how the loop works.