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Make _.size work consistently cross-browser with arguments objects and avoid erroring when falsey values are passed.

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Former-commit-id: 76dc852a4e1fd84218f9c57f44c93e483a3680d9
This commit is contained in:
John-David Dalton
2012-06-26 03:23:53 -04:00
parent 911014db95
commit 65f8da1654
2 changed files with 20 additions and 5 deletions
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9
lodash.js
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@@ -2918,10 +2918,11 @@
* // => 5
*/
function size(value) {
var className = toString.call(value);
return className == arrayClass || className == stringClass
? value.length
: keys(value).length;
if (!value) {
return 0;
}
var length = value.length;
return length === length >>> 0 ? value.length : keys(value).length;
}
/**