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Re: software with little knowledge of website design
_vWdnZ2d@iswest.net>, Thu, 3 Mar 2011 15:34:16, David E. Ross
To that page you should add something on testing with Zoom Text Only.
Firefox and Safari have it. NASA apparently does not.
There is another way to identify some browsers - impermanent, but
error that they have.
For example, one current browser recognises (with NaN) a direct attempt
to set a Date out-of-range. But one can set a Date near end-of-range
directly, and then with setDate(28) set a date later in the same month
and out-of-range. The same browser gets new Date("yyyy/mm/dd GMT")
wrong by one day for a substantial fraction of dates repeating every 400
years, though none in 1801 to 2033 or thereabouts. I think they may be
dividing by 3 instead of 4, or suchlike, in their Leap Year rules.
For such bugs, see js-flaws.htm and js-datex.htm on my site, via sig.
You say "The problem is that, if you access the Internet through a dial-
up modem (as do about 10% of the Internet users in the U.S.), your IP
address changes every time you connect.". That is not necessarily true,
though it may always be true within the US. My own dial-up has had a
fixed address for about 15 years (and my broadband address, though
supposedly fixed, changed after about 4 years, without change of
(c) John Stockton, nr London, UK. ?@merlyn.demon.co.uk Turnpike 6.05 WinXP.
Web <http://www.merlyn.demon.co.uk/ - FAQ-type topics, acronyms, and links.
Command-prompt MiniTrue is useful for viewing/searching/altering files. Free,
DOS/Win/UNIX now 2.0.6; see <URL:http://www.merlyn.demon.co.uk/pc-links.htm .