Re: [svg-developers] Re: setting an event handler
Thanks Jeff.
Yes, it looks as though evt is automatically assumed as the argument in all the
browsers I've seen! Thanks, it's only three keystrokes longer than the other
way.
cheers
David
- Original Message -
From: jeff_schiller
To: svg-developers@yahoogroups.com
Sent: Sunday, October 24, 2010 12:26 PM
Subject: [svg-developers] Re: setting an event handler
--- In svg-developers@yahoogroups.com, ddailey ddai...@... wrote:
Hi folks,
I've always used something like
O.setAttribute(onclick,add(evt))
to attach an event handler in SVG. But someone told me recently that
O.addEventListener(click, function(evt){add(evt)}, false)
O.addEventListener(click, add, false)
should work just fine. Is there a browser where it doesn't? I don't see any
advantage to wrapping that function call in another function.
The third argument specifies whether you want to handle the event during the
bubble or the capture phase (not possible using the onclick attribute).
Another advantage to using addEventListener is that multiple handlers for the
same event can be added.
Regards,
Jeff
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Re: [svg-developers] Re: setting an event handler
thanks Holger,
Just to make sure I understand, ... naming the function add( ) was just a
coincidence since I was using it to add content to the SVG DOM. Would your
comments be just as valid if I would have used
O.setAttribute(onclick, silly(evt) ) ?
If I clone a node, and then use (O.getAttribute(onclick)) I'm assuming the
property or pseudo-property is still there to be interrogated even if I have
used addEventListener?
cheers
David
- Original Message -
From: Holger Jeromin
To: svg-developers@yahoogroups.com
Sent: Sunday, October 24, 2010 10:51 AM
Subject: [svg-developers] Re: setting an event handler
ddailey schrieb am 23.10.2010 18:29:
I've always used something like
O.setAttribute(onclick,add(evt))
to attach an event handler in SVG. But someone told me recently that
O.addEventListener(click, function(evt){add(evt)}, false)
is actually preferrable. (The person who told me this obviously has
young fingers!)
Well, why might that be? I have yet to see an example that fails to
an add(evt) is an eval(add(evt))
eval is considered evil :)
This cannot be accelerated with the modern JIT Javascript optimisation
in the Browsers.
--
best regards
Holger
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