help re removing my invalid.com
in [JavaScript]
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From: Dr_Kral on 26 Mar 2010 12:14 On Fri, 26 Mar 2010 07:55:11 +0000, Geoff <geoff(a)invalid.invalid> wrote in <tkooq59dlnjvou2kn7d33ct1go6p16hccg(a)4ax.com>: >On Thu, 25 Mar 2010 19:18:29 -0400, Dr_Kral(a)nyc.rr.com.invalid wrote: > >>First, there is no any point in interrogating the state of a radio button >>with onclick like there is for a check box. The former is always 'true' >>while the latter may be either true or falue. > >K. > >Is this correct? Yes. But of course there are many correct solutions. > >onclick="document.getElementById('id_13a').style.display='inline'" for >yes > >and > >onclick="document.getElementById('id_13a').style.display='none'" for >no > >>Second, in my example I used ...this..... which you changed to >>....id_name.... "this" is a special reserved word but the id_name should >>be "document.getElementById(id_name)" to properly identify the object. > >I have now used 'this.checked' etc for the checkboxes. Ditto. > >>Third, you made but the true and false results of the conditional operator >>the same in, e.g., question 13, which is not a reasonable thing to do. > >I didn't like that but couldn't see how else to do it. I have now >removed the ternary condition for the radio buttons. There is never a ternary situation with a radio button set. Only one button can be checked at a time and each button is either 'checked' or 'not checked'. It is not possible to uncheck a radio by clicking it like it is to uncheck a check box. > >http://www.micro-active.com/a-wm2/a-q-student-wm2.htm > Why it is significant WHICH language a responder speaks but NOT which language is signed? >Cheers > >Geoff
From: The Natural Philosopher on 26 Mar 2010 13:03 Dr_Kral(a)nyc.rr.com.invalid wrote: > > There is never a ternary situation with a radio button set. Only one > button can be checked at a time and each button is either 'checked' or 'not > checked'. It is not possible to uncheck a radio by clicking it like it is > to uncheck a check box. It is however possible to have NONE checked at ALL.
From: Dr_Kral on 26 Mar 2010 14:50 On Fri, 26 Mar 2010 17:03:04 +0000, The Natural Philosopher <tnp(a)invalid.invalid> wrote in <hoipc8$mv7$10(a)news.albasani.net>: >Dr_Kral(a)nyc.rr.com.invalid wrote: >> >> There is never a ternary situation with a radio button set. Only one >> button can be checked at a time and each button is either 'checked' or 'not >> checked'. It is not possible to uncheck a radio by clicking it like it is >> to uncheck a check box. > >It is however possible to have NONE checked at ALL. True. If one tests each button in a set, then they all can be not checked but this is not possible to do onclick of any of the se . Onclick with a radio button one must have checked==true and that was where the testing was done. K.
From: Geoff on 26 Mar 2010 16:05 On Fri, 26 Mar 2010 12:14:16 -0400, Dr_Kral(a)nyc.rr.com.invalid wrote: >Why it is significant WHICH language a responder speaks but NOT which >language is signed? K. I will try to find out. Cheers Geoff > >>Cheers >> >>Geoff
From: Dr J R Stockton on 27 Mar 2010 14:54
In comp.lang.javascript message <vqvpq5lugj5g3gkh0r294hb5c7bfjgkoa0(a)4ax. com>, Fri, 26 Mar 2010 14:50:12, Dr_Kral(a)nyc.rr.com.invalid posted: >On Fri, 26 Mar 2010 17:03:04 +0000, The Natural Philosopher ><tnp(a)invalid.invalid> wrote in <hoipc8$mv7$10(a)news.albasani.net>: > >>Dr_Kral(a)nyc.rr.com.invalid wrote: >>> >>> There is never a ternary situation with a radio button set. Only one >>> button can be checked at a time and each button is either 'checked' or 'not >>> checked'. It is not possible to uncheck a radio by clicking it like it is >>> to uncheck a check box. >> >>It is however possible to have NONE checked at ALL. > >True. If one tests each button in a set, then they all can be not checked >but this is not possible to do onclick of any of the se . Onclick with a >radio button one must have checked==true and that was where the testing was >done. <input type=radio onclick="this.checked=false" checked> -- (c) John Stockton, Surrey, UK. ?@merlyn.demon.co.uk Turnpike v6.05 MIME. Web <URL:http://www.merlyn.demon.co.uk/> - FAQish topics, acronyms, & links. Proper <= 4-line sig. separator as above, a line exactly "-- " (RFCs 5536/7) Do not Mail News to me. Before a reply, quote with ">" or "> " (RFCs 5536/7) |