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Groups > comp.lang.javascript > #12287

Re: Transposing single and double quotes.

From "Jukka K. Korpela" <jkorpela@cs.tut.fi>
Newsgroups comp.lang.javascript
Subject Re: Transposing single and double quotes.
Date 2012-02-29 17:27 +0200
Organization A noiseless patient Spider
Message-ID <jilg4s$nge$1@dont-email.me> (permalink)
References <u8fsk7h2shahn6niukmv2mb89ekmllhtbe@4ax.com>

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2012-02-29 17:04, Swifty wrote:

> See http://swiftys.org.uk/click_ss.html

It does not work because it has
onClick="alert('Please do not click the \"Click\" button again')"
which parses as
onClick="alert('Please do not click the \"
followed by something that the browser more or less ignored.

The point is that in HTML, a quoted attribute value ends with the same 
quotation mark as it started with. The use of “\” does not change this 
the least; it has no special role in HTML, it’s just yet another data 
character.

> http://swiftys.org.uk/click_pt.html

There the quoted attribute value starts and ends properly with the same 
quotation mark and does not contain that character inside the value.

> And why did my click_ss.html NOT work at all?

This is how the button element looks like in Firebug:

<input type="SUBMIT" again')"="" button="" click\"="" 
onclick="alert('Please do not click the \" value="Click" title="Does 
this appear?" name="a">

and when the button is clicked on, the error console properly shows

unterminated string literal
   alert('Please do not click the \

By the way, you can avoid the mess by using proper English quotation 
marks in English, and generally language dependent quotation marks, e.g.

onClick="alert('Please do not click the “Click” button again')"

These marks have no special meaning in HTML or JavaScript, so they can 
be used as data characters without any “escaping.”

-- 
Yucca, http://www.cs.tut.fi/~jkorpela/

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Thread

Transposing single and double quotes. Swifty <steve.j.swift@gmail.com> - 2012-02-29 15:04 +0000
  Re: Transposing single and double quotes. "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2012-02-29 17:27 +0200
    Re: Transposing single and double quotes. Swifty <steve.j.swift@gmail.com> - 2012-02-29 18:17 +0000
  Re: Transposing single and double quotes. Scott Sauyet <scott.sauyet@gmail.com> - 2012-02-29 07:28 -0800
  Re: Transposing single and double quotes. Jake Jarvis <pig_in_shoes@yahoo.com> - 2012-02-29 16:39 +0100
  Re: Transposing single and double quotes. Swifty <steve.j.swift@gmail.com> - 2012-02-29 18:27 +0000
    Re: Transposing single and double quotes. Swifty <steve.j.swift@gmail.com> - 2012-02-29 18:38 +0000
    Re: Transposing single and double quotes. KR <kristian.rasmussen@broadpark.no.spam.com> - 2012-02-29 19:45 +0100
      Re: Transposing single and double quotes. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-29 19:59 +0100
        Re: Transposing single and double quotes. "Evertjan." <exjxw.hannivoort@interxnl.net> - 2012-02-29 22:28 +0000
          Re: Transposing single and double quotes. "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2012-03-01 07:52 +0200
            Re: Transposing single and double quotes. "Evertjan." <exjxw.hannivoort@interxnl.net> - 2012-03-01 07:54 +0000
              Re: Transposing single and double quotes. "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2012-03-01 10:18 +0200
                Re: Transposing single and double quotes. "Evertjan." <exjxw.hannivoort@interxnl.net> - 2012-03-01 15:21 +0000
                Re: Transposing single and double quotes. "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2012-03-01 18:07 +0200
              Re: Transposing single and double quotes. Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-01 10:30 +0100
                Re: Transposing single and double quotes. "Evertjan." <exjxw.hannivoort@interxnl.net> - 2012-03-01 15:29 +0000
                Re: Transposing single and double quotes. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-03-01 22:10 +0100
                Re: Transposing single and double quotes. Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-02 11:02 +0100
                Re: Transposing single and double quotes. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-03-02 13:17 +0100
                Re: Transposing single and double quotes. Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-05 10:09 +0100
                Re: Transposing single and double quotes. John G Harris <john@nospam.demon.co.uk> - 2012-03-02 16:27 +0000
              Re: Transposing single and double quotes. Dr J R Stockton <reply1209@merlyn.demon.co.uk> - 2012-03-02 22:05 +0000
                Re: Transposing single and double quotes. "Evertjan." <exjxw.hannivoort@interxnl.net> - 2012-03-03 08:35 +0000
    Re: Transposing single and double quotes. "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2012-02-29 20:47 +0200
      Re: Transposing single and double quotes. Swifty <steve.j.swift@gmail.com> - 2012-03-01 07:19 +0000
    Re: Transposing single and double quotes. Gene Wirchenko <genew@ocis.net> - 2012-02-29 14:18 -0800
  Re: Transposing single and double quotes. Dr J R Stockton <reply1209@merlyn.demon.co.uk> - 2012-03-01 21:55 +0000

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