Which is default example in loop i++ or ++i?

Question

for(var i = 0; i < 10; i++)
for(var i = 0; i < 10; ++i)

Answer 1

Both are equivalent for what you have written.

Answer 2

In real life, it doesn't make any difference whatsoever. I've seen professional coders using either of them

In theory, ++i might be a little more efficient since no temporary variable is needed. But I can't guarantee that this is even correct and if there's really a difference it's probably so small that it might not even be measurable

Answer 3

for(var i = 0; i < 10; i++)