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delegate to native Object.keys in nightlies

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Mike Frawley
2010-02-17 09:26:34 -06:00
parent 7ec8d12d6c
commit c4daac089b
1 changed files with 2 additions and 1 deletions
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3
underscore.js
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@@ -403,7 +403,8 @@
// ------------------------- Object Functions: ------------------------------ // ------------------------- Object Functions: ------------------------------
// Retrieve the names of an object's properties. // Retrieve the names of an object's properties.
_.keys = function(obj) { // ECMA5 has Object.keys(obj) in webkit nightlies
_.keys = Object.keys || function(obj) {
if (_.isArray(obj)) return _.range(0, obj.length); if (_.isArray(obj)) return _.range(0, obj.length);
var keys = []; var keys = [];
for (var key in obj) if (hasOwnProperty.call(obj, key)) keys.push(key); for (var key in obj) if (hasOwnProperty.call(obj, key)) keys.push(key);