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Fixes #397

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This commit is contained in:
Jeremy Ashkenas
2011-12-16 12:47:32 -05:00
parent 3c5686f784
commit b27ed66d77
1 changed files with 5 additions and 2 deletions
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7
underscore.js
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@@ -955,8 +955,11 @@
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
method.apply(this._wrapped, arguments);
return result(this._wrapped, this._chain);
var wrapped = this._wrapped;
method.apply(wrapped, arguments);
var length = wrapped.length;
if ((name == 'shift' || name == 'splice') && length === 0) delete wrapped[0];
return result(wrapped, this._chain);
};
});