Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.javascript > #38685
| Subject | Re: Highlighting text |
|---|---|
| Newsgroups | comp.lang.javascript |
| References | <kv3WG.33452$RN.31186@fx13.iad> <3317374.iIbC2pHGDl@PointedEars.de> |
| From | Robert Baer <robertbaer@localnet.com> |
| Message-ID | <txYWG.249813$eN2.34007@fx47.iad> (permalink) |
| Date | 2020-08-06 12:06 -0700 |
Thomas 'PointedEars' Lahn wrote:
> [Stop amok-crossposting. This has nothing to do with computers in general
> or electronics design. *facepalm*]
>
> Robert Baer wrote:
>
>> Environment: Win7.1 Firefox 78
>>
>> Sample line used:
>> <a href="downhole-measurements.html?find=able">Downhole Measurements</a>
>
> What is happening then depends on the user agent. It is NOT a general
> command to highlight something. HTML is NOT a programming language.
>
> The FIND command of CMD.exe has *nothing to do* with HTML/JavaScript.
> JavaScript is *case-sensitive*. And “window” is NOT “windows”.
>
>> At least execution transfers from the calling HTML to the desired
>> destination HTML.
>
> HTML is _NOT_ a programming language. HTML does NOT “execute” and does NOT
> “call”.
>
>> BUT. the keyword does NOT get underlined or highlighted in any way.
>
> Of course not. HTML – HyperText *Markup* Language – is _NOT_ a programming
> language. To highlight something *in general*, you need a *programming*
> language.
>
>> It would be particularly nice if all the keywords got highlighted
>> and the first keyword was presented on the screen (think loong document
>> and keyword was in middle).
>>
>> Help?
>
> -- downhole-measurements.html -----------------------------------
>
> <!DOCTYPE html>
> <html>
> <head>
> <!-- … -->
> <script src='highlight.js'></script>
> <!-- … -->
> </head>
>
> <body onload='highlight.highlightAndFocus()'>
> <!-- … -->
> </body>
> </html>
>
> -- highlight.js ----------------------------------------------------------
>
> /**
> * highlight.js – Highlights occurrences of text in HTML documents
> * @author (C) 2020 Thomas 'PointedEars' Lahn <js@PointedEars.de>
> *
> * This program is free software: you can redistribute it and/or modify
> * it under the terms of the GNU General Public License as published by
> * the Free Software Foundation, either version 3 of the License, or
> * (at your option) any later version.
> *
> * The program is distributed in the hope that it will be useful,
> * but WITHOUT ANY WARRANTY; without even the implied warranty of
> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> * GNU General Public License at <http://www.gnu.org/licenses/>
> * for more details.
> */
>
> var highlight = {
> getNeedle: function () {
> /* Get value of value of “find” parameter */
> var value = (window.location.search.match(/[?&]find=([^&#]+)/) || [,])
> [1];
> if (value) value = decodeURIComponent(value);
> return value;
> },
>
> focus: function (needle) {
> if (needle)
> {
> /* Focus first occurence */
> if (typeof window.find != 'undefined' && !window.find(needle))
> {
> if (typeof console != 'undefined'
> && typeof console.log != 'undefined')
> {
> console.log('Text not found: "' + needle + '"');
> }
> }
> }
> },
>
> highlight: function (needle) {
> if (needle)
> {
> /* Highlight all occurrences */
> document.body.innerHTML = document.body.innerHTML.replace(
> new RegExp(
> /* slurp textareas and tags */
> '(<textarea>(?:[^<]|<[^\/])+<\/textarea>|<[^>]+>)|'
> + needle.replace(/[\]\\^$*+?.(){}|[]/g, "\\$&"),
> 'gi'),
> function (match, tag, offset, all) {
> /* ignore elements/tags */
> if (tag) return tag;
>
> return ('<span style="background-color: yellow; color: black">'
> + match + '</span>');
> }
> );
> }
> },
>
> highlightAndFocus: function (needle) {
> if (!needle) needle = this.getNeedle();
> this.highlight(needle);
> this.focus(needle);
> }
> };
>
> --8<----------------------------------------------------------------------
>
> F’up2 comp.lang.javascript
>
Thanks.
It would be very nice if i understood this stuff.
Thanks again.
Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-03 19:13 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-04 04:49 +0200
Re: How get windows FIND() to work? Julio Di Egidio <julio@diegidio.name> - 2020-08-04 02:11 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-04 12:02 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-04 20:06 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-05 07:55 +0200
Re: How get windows FIND() to work? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-08-03 19:55 -0700
Re: How get windows FIND() to work? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2020-08-05 08:35 +0200
Re: How get windows FIND() to work? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-08-05 11:19 -0700
Highlighting text (was: How get windows FIND() to work?) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2020-08-06 02:15 +0200
Re: How get windows FIND() to work? Clifford Heath <no.spam@please.net> - 2020-08-04 15:22 +1000
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-04 10:06 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-04 19:42 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-04 20:13 -0700
Re: How get windows FIND() to work? Clifford Heath <no.spam@please.net> - 2020-08-05 19:56 +1000
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-05 13:54 +0200
Re: How get windows FIND() to work? Clifford Heath <no.spam@please.net> - 2020-08-05 21:55 +1000
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-05 15:40 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:27 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-07 14:09 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:24 -0700
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:23 -0700
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:16 -0700
Re: How get windows FIND() to work? "R.Wieser" <address@not.available> - 2020-08-04 09:10 +0200
Re: How get windows FIND() to work? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2020-08-04 23:46 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-04 20:21 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-05 07:56 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 11:40 -0700
Re: How get windows FIND() to work? Arno Welzel <usenet@arnowelzel.de> - 2020-08-07 14:26 +0200
Re: How get windows FIND() to work? "R.Wieser" <address@not.available> - 2020-08-05 08:59 +0200
Re: How get windows FIND() to work? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2020-08-06 01:11 +0200
Re: How get windows FIND() to work? Clifford Heath <no.spam@please.net> - 2020-08-06 11:36 +1000
Re: How get windows FIND() to work? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2020-08-06 12:24 +0200
Re: How get windows FIND() to work? Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:40 -0700
Re: How get windows FIND() to work? "R.Wieser" <address@not.available> - 2020-08-07 10:27 +0200
Re: How get windows FIND() to work? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2020-08-08 04:39 +0200
Re: How get windows FIND() to work? Clifford Heath <no.spam@please.net> - 2020-08-07 18:46 +1000
Highlighting text (was: How get windows FIND() to work?) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2020-08-05 08:32 +0200
Re: Highlighting text (was: How get windows FIND() to work?) "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-08-05 21:59 -0700
Re: Highlighting text (was: How get windows FIND() to work?) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2020-08-08 04:22 +0200
Re: Highlighting text Robert Baer <robertbaer@localnet.com> - 2020-08-06 12:06 -0700
Re: How get windows FIND() to work? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2020-08-06 12:40 -0700
csiph-web