Second expression in the for loop and ||, both behave as conditionals, i.e. are equivalent to an if statement and the generated instruction will be a branch.
At least it would in C. Of course I'm ignoring the fact that JS is interpreted as will cause a lot of additional bloat, but were not counting that.
At least it would in C. Of course I'm ignoring the fact that JS is interpreted as will cause a lot of additional bloat, but were not counting that.