I don't get why its output is 10... :

Question

var x=2;
for(var i=0; i<4; i++) {
x+= 2; }
consol.log(x)

Answer 1

You can find more about JavaScript loops here:
https://www.sololearn.com/learn/JavaScript/1140/

Answer 2

FYI,
You have a typo there:
consol.log(x) - > console.log(x)