The only difference is that the return value of foo takes on the callback's return value instead of null. There is no other difference at all.
On Tue, Apr 10, 2012 at 4:17 PM, Ken <[email protected]> wrote: > Assuming that the callback doesn't return a value, does v8 behave any > differently when invoking callbacks in one of these forms vs. the other? I > find the first approach to be a convenient shorthand in many cases, but am > wondering (after observing some unexpected timings when profiling async > methods) if it leads to v8 doing something odd with the stack. > > Approach A, return the invoked callback: > > function foo(a, callback) { > var bar = ...; > return callback(bar); > } > > foo("derp", function(b) { ...; return; }); > > Approach B, invoke callback, then return: > > function foo(a, callback) { > var bar = ...; > callback(bar); > return; > } > > foo("derp", function(b) { ...; return; }); > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
