Hacker News new | ask | show | jobs
by x1024 3732 days ago
Case in point: the left-pad package has quadratic complexity.
1 comments

Depends on the JS implementation in question. And I think node uses one that optimizes string concatenation, possibly making that the fastest way to do it.
Yeah, as far as I know in modern JS engines += is actually faster than using an array.
[citation needed]

It's really nice how we once again depend on "I think some guys do it like this" for performance. What happened to standards?

What's next? SEO for code?