Well, merge does 2 things: override existing props, and eventually add the new ones. I need only the override. So it's a 'subset' of the merge functionality.
On 12 Nov, 11:35, Vito Tafuni <[email protected]> wrote: > I think merge is not semantically correct! > you are simply extracting from o2 using o1 like a template... where' the > merge!?! > > At max I could expect from > merge(o1,o2) -> { a:1, b:2, c:3, d:4, e:5 } > merge(o2,o1) -> { a:1.2, b:2.2, c:3.2, d:4, e:5 } > > -- > ----------- > Tafuni Vito > [email protected] > --------------------------------------------- > "Verba volant, scripta manent... data corrupted" > > 2010/11/12 stratboy <[email protected]> > > > Hi! Suppose this: > > > var o1 = { a:1, b:2, c:3 } > > var o2 = { a:1.2, b:2.2, c:3.2, d:4, e:5 } > > > I want some kind of merge operation that merges only the props with > > same key, so in the end I've got this: > > > var o3 = { a:1.2, b:2.2, c:3.2 } > > > I know I can do it with a couple of passages, for ex. by using > > Object.subset first. Though, I'd like to know i there's some other > > smart way. It would quite handy if in the future releases of mootools > > there will be a thing like: > > > Object.merge(o1,o2[,true]); > > > where the last option is for using only the common keys or not. > > > :) How about?
