#1173 new

Selector fails on empty attributes

Reported by mindVex | November 30th, 2010 @ 03:27 PM

Considering the following HTML snippet:

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/prototype/"></script>
<div id="test1">
<span title="">not found</span>
<div id="test2">
<span title="t">found</span>

Looking at the second div (the only difference is the non-empty title attribute) the following selectors work as expected:

$$('#test2 span[title]') // works
$('test2').select('span[title]') // works
$('test2').select('span') // works

Trying to select the first span with the empty title attribute in various ways results in "undefined" in one case:

$$('#test1 span[title]') // works
$('test1').select('span[title]') // doesn't work - returns "undefined"
$('test1').select('span') // works

So selecting elements with empty attributes seem to fail when using down(), select() and the like. Using $$() works. Tested in Firefox 3.6.12.

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The Prototype JavaScript library.

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