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Only check indexes for arrays in _.keysIn dense array support.

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John-David Dalton
2014-03-31 20:57:04 -07:00
parent 6c6c38679a
commit 6bd83137fb
1 changed files with 9 additions and 9 deletions
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18
lodash.js
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@@ -6544,23 +6544,23 @@
if (!isObject(object)) {
return [];
}
var length = object.length;
var isArr,
keyIndex,
length = object.length;
length = (typeof length == 'number' && length > 0 &&
(isArray(object) || (support.nonEnumStrings && isString(object)) ||
((isArr = isArray(object)) || (support.nonEnumStrings && isString(object)) ||
(support.nonEnumArgs && isArguments(object))) && length) >>> 0;
var keyIndex,
var index = -1,
maxIndex = length - 1,
result = Array(length),
skipIndexes = length > 0,
skipIndexes = isArr && length > 0,
skipErrorProps = support.enumErrorProps && (object === errorProto || object instanceof Error),
skipProto = support.enumPrototypes && typeof object == 'function';
if (skipIndexes) {
var index = -1;
while (++index < length) {
result[index] = String(index);
}
while (++index < length) {
result[index] = String(index);
}
for (var key in object) {
if (!(skipProto && key == 'prototype') &&