Why does javascript accept commas in if statements?

Question

I stumbled across some javascript syntax that seemed like it should produce a parse error of some kind but doesn\'t:

if (true, true) {console.log(\'splendid         


        

Answer 1

This is also the same as in most other programming languages where you might have multiple iterators in a loop.

int x,y;
for(x = 0, y = 0; x < 10 || y < 100; x++, y++) {
....
}