Groups > comp.lang.javascript > #19254

Re: trying to call onclick with document.getElement() - document.getElement() returns null

Path	csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!newsfeed.fsmpi.rwth-aachen.de!uucp.gnuu.de!newsfeed.arcor.de!newsspool3.arcor-online.net!news.arcor.de.POSTED!not-for-mail
Content-Type	text/plain; charset="UTF-8"
Message-ID	<2061545.QaVc4i2NtW@PointedEars.de> (permalink)
From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To	Thomas 'PointedEars' Lahn <usenet@PointedEars.de>
Organization	PointedEars Software (PES)
Date	Sat, 13 Apr 2013 11:45:24 +0200
User-Agent	KNode/4.8.5
Content-Transfer-Encoding	8Bit
X-Face	%i>XG-yXR'\"2P/C_aO%~;2o~?g0pPKmbOw^=NT`tprDEf++D.m7"}HW6.#=U:?2GGctkL,f89@H46O$ASoW&?s}.k+&.<b';Md8`dH6iqhT)6C^.Px\|[=M@7=Ik[_w<%n1Up"LPQNu2m8\|L!/3iby{-]A+#YE}Kl{Cw$\U!kD%K}\2jz"QQP6Uqr],./"?;=4v
Face	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
Subject	Re: trying to call onclick with document.getElement() - document.getElement() returns null
Newsgroups	comp.lang.javascript
References	<17650677-77bd-4bca-8e10-ed45772f2e9f@googlegroups.com> <87fvyv1r7q.fsf@gmail.com> <7902669.URqpOMyR7R@PointedEars.de> <kkb7dq$ggn$1@portraits.wsisiz.edu.pl>
MIME-Version	1.0
Lines	27
NNTP-Posting-Date	13 Apr 2013 11:45:25 CEST
NNTP-Posting-Host	bb50a4b6.newsspool3.arcor-online.net
X-Trace	DXC=2;26NiGg^_FX36K@\WTHGJMcF=Q^Z^V3H4Fo<]lROoRA8kF<OcfhCOKC?h^emQ26NKDZm8W4\YJNLb@mF9jNikdEIQbgJMhLo0G0m2\j\e9JQG
X-Complaints-To	usenet-abuse@arcor.de
Xref	csiph.com comp.lang.javascript:19254

Show key headers only | View raw

Cezary Tomczyk wrote:

> W dniu 2013-04-13 10:29, Thomas 'PointedEars' Lahn pisze:
>> Mikael Andersson wrote:
> [...]
>>>>          if (window.XMLHttpRequest) {
>>
>> Insufficient and error-prone, see isHostMethod().
> [...]
> 
> Just our of curiosity: in which environment / scenario this will not be
> properly evaluated?

Where “XMLHttpRequest” is not a property of the object referred to by 
“window”, but of another object in the scope chain.

Where the host object referred to by “window.XMLHttpRequest” does not take 
kindly (read: throws unrecoverable exceptions) on being subjected to a
type-converting test.

See previous discussions that lead to isHostMethod().

-- 
PointedEars

Twitter: @PointedEars2
Please do not Cc: me. / Bitte keine Kopien per E-Mail.

Thread

trying to call onclick with document.getElement() - document.getElement() returns null jorythompson@gmail.com - 2013-04-12 10:45 -0700
  Re: trying to call onclick with document.getElement() - document.getElement() returns null Jordan Thompson <jorythompson@gmail.com> - 2013-04-12 11:01 -0700
  Re: trying to call onclick with document.getElement() - document.getElement() returns null Mikael Andersson <qubex2@gmail.com> - 2013-04-12 21:31 +0200
    Re: trying to call onclick with document.getElement() - document.getElement() returns null Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-13 10:29 +0200
      Re: trying to call onclick with document.getElement() - document.getElement() returns null Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-04-13 11:10 +0200
        Re: trying to call onclick with document.getElement() - document.getElement() returns null Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-13 11:45 +0200
          Re: trying to call onclick with document.getElement() - document.getElement() returns null Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-04-13 13:04 +0200
            Re: trying to call onclick with document.getElement() - document.getElement() returns null Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-13 13:26 +0200
              Re: trying to call onclick with document.getElement() - document.getElement() returns null Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-04-13 21:12 +0200
                Re: trying to call onclick with document.getElement() - document.getElement() returns null Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-13 21:31 +0200
                Re: trying to call onclick with document.getElement() - document.getElement() returns null Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2013-04-16 20:01 +0200
                Re: trying to call onclick with document.getElement() - document.getElement() returns null Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-16 23:13 +0200
      Re: trying to call onclick with document.getElement() - document.getElement() returns null Mikael Andersson <qubex2@gmail.com> - 2013-04-13 18:35 +0200

csiph-web