0x2620/oxjs
2
0
Fork 1
Code Issues 172 Pull requests Releases Wiki Activity

add second parameter to Ox.count

Browse source
This commit is contained in:
rolux 2012-05-31 00:48:55 +02:00
parent 54266bd3b2
commit 684c4ceaf2
1 changed files with 8 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
source/Ox/js/Collection.js
View file

@ -68,13 +68,17 @@ Ox.count <f> Counts the occurences of values in a collection
{f: 1, o: 2}
> Ox.count('foo')
{f: 1, o: 2}
> Ox.count('foo', 'f')
1
> Ox.count('foo', 'x')
0
@*/
Ox.count = function(collection) {
var ret = {};
Ox.count = function(collection, value) {
var count = {};
Ox.forEach(collection, function(value) {
ret[value] = (ret[value] || 0) + 1;
count[value] = (count[value] || 0) + 1;
});
return ret;
return value ? count[value] || 0 : count;
};
/*@