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Add length check to avoid extra work in initArrayClone.

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John-David Dalton
2014-08-08 10:43:26 -07:00
parent 916c728d70
commit df4e306c64
1 changed files with 1 additions and 1 deletions
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lodash.js
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@@ -2849,7 +2849,7 @@
} }
} }
// add array properties assigned by `RegExp#exec` // add array properties assigned by `RegExp#exec`
if (typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) { if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
result.index = array.index; result.index = array.index;
result.input = array.input; result.input = array.input;
} }