Make .val(undefined) == .val("") and chainable; fixes #4130.
authordmethvin <dave.methvin@gmail.com>
Sat, 21 Aug 2010 02:32:34 +0000 (10:32 +0800)
committerJohn Resig <jeresig@gmail.com>
Fri, 24 Sep 2010 21:57:14 +0000 (05:57 +0800)
Ensure .val(null) sets an empty string on IE6/7; fixes #5163.


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