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_.size ludicrous speed improvement

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Raymond May Jr
2012-03-19 19:08:36 -05:00
parent 33be5c62b8
commit 2d3edb88f0
1 changed files with 5 additions and 1 deletions
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6
underscore.js
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@@ -309,7 +309,11 @@
// Return the number of elements in an object. // Return the number of elements in an object.
_.size = function(obj) { _.size = function(obj) {
return _.toArray(obj).length; if (_.isArray(obj)) {
return obj.length;
} else {
return _.keys(obj).length;
}
}; };
// Array Functions // Array Functions