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dont try to look at the keys of zero-length arrays or arguments objects when calling each()

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Jeremy Ashkenas
2009-12-07 23:41:55 -05:00
parent 2afcffb30a
commit 30329c051b
1 changed files with 1 additions and 1 deletions
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2
underscore.js
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@@ -42,7 +42,7 @@
try { try {
if (obj.forEach) { if (obj.forEach) {
obj.forEach(iterator, context); obj.forEach(iterator, context);
} else if (obj.length) { } else if (obj.length || obj.length === 0) {
for (var i=0, l=obj.length; i<l; i++) iterator.call(context, obj[i], i, obj); for (var i=0, l=obj.length; i<l; i++) iterator.call(context, obj[i], i, obj);
} else { } else {
var keys = _.keys(obj), l = keys.length; var keys = _.keys(obj), l = keys.length;