someone on #node.js did a test, if i remember correctly += was quicker On Feb 3, 12:58 pm, Joe Strout <[email protected]> wrote: > Erik Corry wrote: > > When you do += in V8 you create a ConsString, which is a tree node > > that takes up 20 bytes on 32 bit or 32 bytes on 64 bit. This is a > > relatively fast operation. The first time you use the string for > > things other than consing up results it is converted into a flat > > string in much the same way as join would do it. > > Well now THAT is really cool. > > > I don't actually know what is faster. Benchmarks are probably in > > order if anyone has time. > > Agreed; intuition about performance is often wrong. > > Best, > - Joe
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