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August 14, 2019 00:03
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Save gregoriopellegrino/c94c46933d660a3db233e7a1c9c6f5e6 to your computer and use it in GitHub Desktop.
Very simple script in jQuery to find all the languages present in an HTML document. Useful for controlling the accessibility of documents. Improvements are welcome. #a11y Made to run from the browser development console
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| // main lang | |
| if ($("html").get(0).hasAttribute("lang")) { | |
| var main_lang = $("html").attr("lang"); | |
| } else { | |
| var main_lang = $("body").attr("lang"); | |
| } | |
| console.log("Main language is "+main_lang); | |
| // children lang | |
| var langs = []; | |
| $("*[lang]").each(function() { | |
| var lang = $(this).attr("lang"); | |
| if ($.inArray(lang, langs) == -1) { | |
| langs.push(lang) | |
| } | |
| }); | |
| console.log("Other languages found: "+langs); |
My idea was simply to save a code that I use from time to time to check the accessibility of EPUB and PDF :) , but the work it's becoming interesting...
I’ve just pushed an invite – started working on completing this a little bit in a private repo – so it’s fair to enable access for you :-)
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Also, if you want to check the validity of the BCP47 language tag (pattern) → https://github.com/SafetyCulture/bcp47
This has gone so far that I’m wondering whether it shouldn’t be a module (with a GitHub repo). I could even imagine having/finding some use-cases in the future.