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x1024 | 10 years ago

Case in point: the left-pad package has quadratic complexity.

discuss

order

mcguire|10 years ago

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.

emodendroket|10 years ago

Yeah, as far as I know in modern JS engines += is actually faster than using an array.

x1024|10 years ago

[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?