I don’t know a lot about jQuery, but if you have two elements with
placeholder, then you’re calling blur() twice – once on each element. So it
makes sense that you’d see “2” twice.
-Nicholas
_____________________________________________________
Nicholas C. Zakas
Twitter: @slicknet
Blog: http://www.nczonline.net/
From: Mark McDonnell
Sent: Sunday, December 12, 2010 2:01 PM
To: [email protected]
Subject: [JSMentors] jQuery seems to trigger focus/blur events without user
interaction
Hi,
I was looking at a 'placeholder' fallback script that a colleague of mine had
written (using jQuery as an aid) and I was confused as to why jQuery's .blur()
and .focus() events were being triggered even though the interaction required
is for a user to click in/out of relevant input fields.
An example of the script is below (it is inserted at the bottom of the page, so
has no need for utilising the DOMContentLoaded event - I mention this only on
the off chance it has any relevance to the cause)...
jQuery('[placeholder]').focus(function() { alert(1); }).blur(function() {
alert(2); }).blur().parents('form').submit(function() { alert(3); });
...I noticed that '2' would be alerted twice (there are two input fields in the
page with a placeholder attribute).
Does anyone know why jQuery would cause this behaviour?
Many thanks.
Kind regards,
--
Mark McDonnell
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