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<li><span class="stability_2"><a href="#punycode_punycode">Punycode</a></span><ul>
<li><span class="stability_undefined"><a href="#punycode_punycode_decode_string">punycode.decode(string)</a></span></li>
<li><span class="stability_undefined"><a href="#punycode_punycode_encode_string">punycode.encode(string)</a></span></li>
<li><span class="stability_undefined"><a href="#punycode_punycode_toascii_domain">punycode.toASCII(domain)</a></span></li>
<li><span class="stability_undefined"><a href="#punycode_punycode_tounicode_domain">punycode.toUnicode(domain)</a></span></li>
<li><span class="stability_undefined"><a href="#punycode_punycode_ucs2">punycode.ucs2</a></span><ul>
<li><span class="stability_undefined"><a href="#punycode_punycode_ucs2_decode_string">punycode.ucs2.decode(string)</a></span></li>
<li><span class="stability_undefined"><a href="#punycode_punycode_ucs2_encode_codepoints">punycode.ucs2.encode(codePoints)</a></span></li>
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<div id="apicontent">
<h1>Punycode<span><a class="mark" href="#punycode_punycode" id="punycode_punycode">#</a></span></h1>
<pre class="api_stability api_stability_2">Stability: 2 - Stable</pre><p><a href="https://mths.be/punycode">Punycode.js</a> is bundled with Node.js v0.5.1+. Use <code>require('punycode')</code> to
access it. (To use it with other Node.js versions, use npm to install the
<code>punycode</code> module first.)</p>
<h2>punycode.decode(string)<span><a class="mark" href="#punycode_punycode_decode_string" id="punycode_punycode_decode_string">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.5.1</span>
</div><p>Converts a Punycode string of ASCII-only symbols to a string of Unicode symbols.</p>
<pre><code class="lang-js">// decode domain name parts
punycode.decode('maana-pta'); // 'mañana'
punycode.decode('--dqo34k'); // '☃-⌘'
</code></pre>
<h2>punycode.encode(string)<span><a class="mark" href="#punycode_punycode_encode_string" id="punycode_punycode_encode_string">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.5.1</span>
</div><p>Converts a string of Unicode symbols to a Punycode string of ASCII-only symbols.</p>
<pre><code class="lang-js">// encode domain name parts
punycode.encode('mañana'); // 'maana-pta'
punycode.encode('☃-⌘'); // '--dqo34k'
</code></pre>
<h2>punycode.toASCII(domain)<span><a class="mark" href="#punycode_punycode_toascii_domain" id="punycode_punycode_toascii_domain">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.6.1</span>
</div><p>Converts a Unicode string representing a domain name to Punycode. Only the
non-ASCII parts of the domain name will be converted, i.e. it doesn't matter if
you call it with a domain that's already in ASCII.</p>
<pre><code class="lang-js">// encode domain names
punycode.toASCII('mañana.com'); // 'xn--maana-pta.com'
punycode.toASCII('☃-⌘.com'); // 'xn----dqo34k.com'
</code></pre>
<h2>punycode.toUnicode(domain)<span><a class="mark" href="#punycode_punycode_tounicode_domain" id="punycode_punycode_tounicode_domain">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.6.1</span>
</div><p>Converts a Punycode string representing a domain name to Unicode. Only the
Punycoded parts of the domain name will be converted, i.e. it doesn't matter if
you call it on a string that has already been converted to Unicode.</p>
<pre><code class="lang-js">// decode domain names
punycode.toUnicode('xn--maana-pta.com'); // 'mañana.com'
punycode.toUnicode('xn----dqo34k.com'); // '☃-⌘.com'
</code></pre>
<h2>punycode.ucs2<span><a class="mark" href="#punycode_punycode_ucs2" id="punycode_punycode_ucs2">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.7.0</span>
</div><h3>punycode.ucs2.decode(string)<span><a class="mark" href="#punycode_punycode_ucs2_decode_string" id="punycode_punycode_ucs2_decode_string">#</a></span></h3>
<div class="api_metadata">
<span>Added in: v0.7.0</span>
</div><p>Creates an array containing the numeric code point values of each Unicode
symbol in the string. While <a href="https://mathiasbynens.be/notes/javascript-encoding">JavaScript uses UCS-2 internally</a>, this function
will convert a pair of surrogate halves (each of which UCS-2 exposes as
separate characters) into a single code point, matching UTF-16.</p>
<pre><code class="lang-js">punycode.ucs2.decode('abc'); // [0x61, 0x62, 0x63]
// surrogate pair for U+1D306 tetragram for centre:
punycode.ucs2.decode('\uD834\uDF06'); // [0x1D306]
</code></pre>
<h3>punycode.ucs2.encode(codePoints)<span><a class="mark" href="#punycode_punycode_ucs2_encode_codepoints" id="punycode_punycode_ucs2_encode_codepoints">#</a></span></h3>
<div class="api_metadata">
<span>Added in: v0.7.0</span>
</div><p>Creates a string based on an array of numeric code point values.</p>
<pre><code class="lang-js">punycode.ucs2.encode([0x61, 0x62, 0x63]); // 'abc'
punycode.ucs2.encode([0x1D306]); // '\uD834\uDF06'
</code></pre>
<h2>punycode.version<span><a class="mark" href="#punycode_punycode_version" id="punycode_punycode_version">#</a></span></h2>
<div class="api_metadata">
<span>Added in: v0.6.1</span>
</div><p>A string representing the current Punycode.js version number.</p>
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