Is someone tell me what happened 😕?

Question

Question is :- What will be the output?
for (var i = 0;i <=5;i ++){
setTimeout(function (){
console.log(i)
}, i * 1000)
}

Answer is :- 666666

WHY PLEASE EXPLAIN

Answer 1

Try this code:
for (var i=0;i<=5;i++) { /*Empty*/ }
console.log(i)
What's the output of above code and why?

About your original question:
setTimeout waits for the current calculations to finish and then calls the callback(after waiting x seconds, where x is the other argumen passed).
When those functions run, the loop have finished already and they search for a variable called i.
They do find it, and its value is the one that results at the end of the loop. If you ran the code I gave you at the beginning you will understand.

Answer 2

Kevin ★ Thanks 😀