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Merge pull request #343 from janraasch/indexOf

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_.indexOf and _.lastIndexOf proper sparse array support.
This commit is contained in:
Jeremy Ashkenas
2011-11-23 09:52:08 -08:00
parent 7653c5fe09 bf7a351fd6
commit bfa4fe8a4f
1 changed files with 2 additions and 2 deletions
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4
underscore.js
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@@ -441,7 +441,7 @@
return array[i] === item ? i : -1; return array[i] === item ? i : -1;
} }
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item); if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
for (i = 0, l = array.length; i < l; i++) if (array[i] === item) return i; for (i = 0, l = array.length; i < l; i++) if (i in array && array[i] === item) return i;
return -1; return -1;
}; };
@@ -450,7 +450,7 @@
if (array == null) return -1; if (array == null) return -1;
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item); if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
var i = array.length; var i = array.length;
while (i--) if (array[i] === item) return i; while (i--) if (i in array && array[i] === item) return i;
return -1; return -1;
}; };