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merging in faster indexOf patch ... arguably faster than the native implementation, but oh well. #245

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Jeremy Ashkenas
2011-07-13 15:12:50 -04:00
parent 47fb3d7f9c
commit f099038a9d
1 changed files with 2 additions and 3 deletions
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5
underscore.js
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@@ -381,14 +381,13 @@
// for **isSorted** to use binary search. // for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) { _.indexOf = function(array, item, isSorted) {
if (array == null) return -1; if (array == null) return -1;
var i, l; var obj, i = 0;
if (isSorted) { if (isSorted) {
i = _.sortedIndex(array, item); i = _.sortedIndex(array, item);
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);
var o,i=0; while (obj = array[i++]) if (obj === item) return i - 1;
while( o = array[i++] ) if (o === item) return i-1;
return -1; return -1;
}; };