This ISO 639-2 JavaScript library works in NodeJS and modern web browsers.
It provides a function to get an array of all languages, sorted by alpha-3
code, alpha-2 code, native name, English name, or reading direction
(LTR or RTL). It also provides a function to look up a language by the
alpha-3 or alpha-2 code.
As of 14 July 2014, all 486 languages listed on the official Library of Congress web page are supported.
-
languages.getLanguages(sortBy, isAlpha2Code): Returns an array of sorted language objects. Default sortBy is "a3". Default isAlpha2Code is false.
-
languages.getLanguage(languageCode, isAlpha2Code): Returns a language object that matches the languageCode. Default isAlpha2Code is false.
-
languages.getLabel(propertyName): Returns the label associated with the propertyName. Valid property names are a3, a3t, a2, name, eng, dir.
-
languages.isValid(languageCode, isAlpha2Code): Returns true if a language object is found that matches the languageCode. Default isAlpha2Code is false.
-
languages.isRtl(languageCode, isAlpha2Code): Returns true if a language object is found that matches the languageCode and has a dir property value of rtl.
var languages = require('iso639-2');
var langs = languages.getLanguages('eng');
for (i=0, len=langs.length; i<len; i++) {
lang = langs[i];
console.log(lang.eng + ':');
console.log(' ' + JSON.stringify(lang));
}
console.log('\n# of Languages: ' + i);<!doctype html>
<html>
<head>
<title>ISO 639-2 Languages Module</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
<script src="iso639-2.js"></script>
<style>
body {
background-color: #fff;
}
th {
vertical-align: bottom;
text-align: left;
padding: 4px;
}
table {
border-collapse: collapse;
}
td {
vertical-align: top;
border: 1px solid black;
padding: 4px;
}
</style>
</head>
<body>
<h2>ISO 639-2 Languages Module Test</h2>
<div id="test"></div>
<script>
var i, len, lang,
text = '<table><tr><th>' + languages.getLabel('eng') +
'</th><th>' + languages.getLabel('name') +
'</th><th>' + languages.getLabel('a3') +
'</th><th>' + languages.getLabel('a3t') +
'</th><th>' + languages.getLabel('a2') +
'</th><th>' + languages.getLabel('dir') +
'</th></tr>';
var langs = languages.getLanguages('eng');
for (i=0, len=langs.length; i<len; i++) {
lang = langs[i];
text += '<tr><td>' + lang.eng +
'</td><td>' + lang.name +
'</td><td>' + lang.a3 +
'</td><td>' + lang.a3t +
'</td><td>' + lang.a2 +
'</td><td>' + lang.dir +
'</td></tr>';
}
text += '</table>';
text = '<h3># of Languages: '+i+'</h3>'+text;
document.getElementById('test').innerHTML = text;
</script>
</body>
</html>
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