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1001cb0ef41Sopenharmony_ci <button class="theme-toggle-btn" id="theme-toggle-btn" title="Toggle dark mode/light mode" aria-label="Toggle dark mode/light mode" hidden> 1011cb0ef41Sopenharmony_ci <svg xmlns="http://www.w3.org/2000/svg" class="icon dark-icon" height="24" width="24"> 1021cb0ef41Sopenharmony_ci <path fill="none" d="M0 0h24v24H0z" /> 1031cb0ef41Sopenharmony_ci <path d="M11.1 12.08c-2.33-4.51-.5-8.48.53-10.07C6.27 2.2 1.98 6.59 1.98 12c0 .14.02.28.02.42.62-.27 1.29-.42 2-.42 1.66 0 3.18.83 4.1 2.15A4.01 4.01 0 0111 18c0 1.52-.87 2.83-2.12 3.51.98.32 2.03.5 3.11.5 3.5 0 6.58-1.8 8.37-4.52-2.36.23-6.98-.97-9.26-5.41z"/> 1041cb0ef41Sopenharmony_ci <path d="M7 16h-.18C6.4 14.84 5.3 14 4 14c-1.66 0-3 1.34-3 3s1.34 3 3 3h3c1.1 0 2-.9 2-2s-.9-2-2-2z"/> 1051cb0ef41Sopenharmony_ci </svg> 1061cb0ef41Sopenharmony_ci <svg xmlns="http://www.w3.org/2000/svg" class="icon light-icon" height="24" width="24"> 1071cb0ef41Sopenharmony_ci <path d="M0 0h24v24H0z" fill="none" /> 1081cb0ef41Sopenharmony_ci <path d="M6.76 4.84l-1.8-1.79-1.41 1.41 1.79 1.79 1.42-1.41zM4 10.5H1v2h3v-2zm9-9.95h-2V3.5h2V.55zm7.45 3.91l-1.41-1.41-1.79 1.79 1.41 1.41 1.79-1.79zm-3.21 13.7l1.79 1.8 1.41-1.41-1.8-1.79-1.4 1.4zM20 10.5v2h3v-2h-3zm-8-5c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm-1 16.95h2V19.5h-2v2.95zm-7.45-3.91l1.41 1.41 1.79-1.8-1.41-1.41-1.79 1.8z"/> 1091cb0ef41Sopenharmony_ci </svg> 1101cb0ef41Sopenharmony_ci </button> 1111cb0ef41Sopenharmony_ci </div> 1121cb0ef41Sopenharmony_ci <div id="gtoc"> 1131cb0ef41Sopenharmony_ci <ul> 1141cb0ef41Sopenharmony_ci <li class="pinned-header">Node.js v18.20.1</li> 1151cb0ef41Sopenharmony_ci 1161cb0ef41Sopenharmony_ci <li class="picker-header"> 1171cb0ef41Sopenharmony_ci <a href="#"> 1181cb0ef41Sopenharmony_ci <span class="collapsed-arrow">►</span><span class="expanded-arrow">▼</span> 1191cb0ef41Sopenharmony_ci Table of contents 1201cb0ef41Sopenharmony_ci </a> 1211cb0ef41Sopenharmony_ci 1221cb0ef41Sopenharmony_ci <div class="picker"><div class="toc"><ul> 1231cb0ef41Sopenharmony_ci<li><span class="stability_0"><a href="#punycode">Punycode</a></span> 1241cb0ef41Sopenharmony_ci<ul> 1251cb0ef41Sopenharmony_ci<li><a href="#punycodedecodestring"><code>punycode.decode(string)</code></a></li> 1261cb0ef41Sopenharmony_ci<li><a href="#punycodeencodestring"><code>punycode.encode(string)</code></a></li> 1271cb0ef41Sopenharmony_ci<li><a href="#punycodetoasciidomain"><code>punycode.toASCII(domain)</code></a></li> 1281cb0ef41Sopenharmony_ci<li><a href="#punycodetounicodedomain"><code>punycode.toUnicode(domain)</code></a></li> 1291cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2"><code>punycode.ucs2</code></a> 1301cb0ef41Sopenharmony_ci<ul> 1311cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2decodestring"><code>punycode.ucs2.decode(string)</code></a></li> 1321cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2encodecodepoints"><code>punycode.ucs2.encode(codePoints)</code></a></li> 1331cb0ef41Sopenharmony_ci</ul> 1341cb0ef41Sopenharmony_ci</li> 1351cb0ef41Sopenharmony_ci<li><a href="#punycodeversion"><code>punycode.version</code></a></li> 1361cb0ef41Sopenharmony_ci</ul> 1371cb0ef41Sopenharmony_ci</li> 1381cb0ef41Sopenharmony_ci</ul></div></div> 1391cb0ef41Sopenharmony_ci </li> 1401cb0ef41Sopenharmony_ci 1411cb0ef41Sopenharmony_ci 1421cb0ef41Sopenharmony_ci <li class="picker-header"> 1431cb0ef41Sopenharmony_ci <a href="#"> 1441cb0ef41Sopenharmony_ci <span class="collapsed-arrow">►</span><span class="expanded-arrow">▼</span> 1451cb0ef41Sopenharmony_ci Index 1461cb0ef41Sopenharmony_ci </a> 1471cb0ef41Sopenharmony_ci 1481cb0ef41Sopenharmony_ci <div class="picker"><ul> 1491cb0ef41Sopenharmony_ci<li><a href="documentation.html" class="nav-documentation">About this documentation</a></li> 1501cb0ef41Sopenharmony_ci<li><a href="synopsis.html" class="nav-synopsis">Usage and example</a></li> 1511cb0ef41Sopenharmony_ci 1521cb0ef41Sopenharmony_ci <li> 1531cb0ef41Sopenharmony_ci <a 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2091cb0ef41Sopenharmony_ci<li><a href="dgram.html" class="nav-dgram">UDP/datagram</a></li> 2101cb0ef41Sopenharmony_ci<li><a href="url.html" class="nav-url">URL</a></li> 2111cb0ef41Sopenharmony_ci<li><a href="util.html" class="nav-util">Utilities</a></li> 2121cb0ef41Sopenharmony_ci<li><a href="v8.html" class="nav-v8">V8</a></li> 2131cb0ef41Sopenharmony_ci<li><a href="vm.html" class="nav-vm">VM</a></li> 2141cb0ef41Sopenharmony_ci<li><a href="wasi.html" class="nav-wasi">WASI</a></li> 2151cb0ef41Sopenharmony_ci<li><a href="webcrypto.html" class="nav-webcrypto">Web Crypto API</a></li> 2161cb0ef41Sopenharmony_ci<li><a href="webstreams.html" class="nav-webstreams">Web Streams API</a></li> 2171cb0ef41Sopenharmony_ci<li><a href="worker_threads.html" class="nav-worker_threads">Worker threads</a></li> 2181cb0ef41Sopenharmony_ci<li><a href="zlib.html" class="nav-zlib">Zlib</a></li> 2191cb0ef41Sopenharmony_ci</ul> 2201cb0ef41Sopenharmony_ci<hr class="line"> 2211cb0ef41Sopenharmony_ci<ul> 2221cb0ef41Sopenharmony_ci<li><a href="https://github.com/nodejs/node" class="nav-https-github-com-nodejs-node">Code repository and issue tracker</a></li> 2231cb0ef41Sopenharmony_ci</ul></div> 2241cb0ef41Sopenharmony_ci </li> 2251cb0ef41Sopenharmony_ci 2261cb0ef41Sopenharmony_ci 2271cb0ef41Sopenharmony_ci <li class="picker-header"> 2281cb0ef41Sopenharmony_ci <a href="#"> 2291cb0ef41Sopenharmony_ci <span class="collapsed-arrow">►</span><span class="expanded-arrow">▼</span> 2301cb0ef41Sopenharmony_ci Other versions 2311cb0ef41Sopenharmony_ci </a> 2321cb0ef41Sopenharmony_ci <div class="picker"><ol id="alt-docs"><li><a href="https://nodejs.org/docs/latest-v21.x/api/punycode.html">21.x</a></li> 2331cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v20.x/api/punycode.html">20.x <b>LTS</b></a></li> 2341cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v19.x/api/punycode.html">19.x</a></li> 2351cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v18.x/api/punycode.html">18.x <b>LTS</b></a></li> 2361cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v17.x/api/punycode.html">17.x</a></li> 2371cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v16.x/api/punycode.html">16.x</a></li> 2381cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v15.x/api/punycode.html">15.x</a></li> 2391cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v14.x/api/punycode.html">14.x</a></li> 2401cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v13.x/api/punycode.html">13.x</a></li> 2411cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v12.x/api/punycode.html">12.x</a></li> 2421cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v11.x/api/punycode.html">11.x</a></li> 2431cb0ef41Sopenharmony_ci<li><a href="https://nodejs.org/docs/latest-v10.x/api/punycode.html">10.x</a></li> 2441cb0ef41Sopenharmony_ci<li><a 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2561cb0ef41Sopenharmony_ci <span class="collapsed-arrow">►</span><span class="expanded-arrow">▼</span> 2571cb0ef41Sopenharmony_ci Options 2581cb0ef41Sopenharmony_ci </a> 2591cb0ef41Sopenharmony_ci 2601cb0ef41Sopenharmony_ci <div class="picker"> 2611cb0ef41Sopenharmony_ci <ul> 2621cb0ef41Sopenharmony_ci <li> 2631cb0ef41Sopenharmony_ci <a href="all.html">View on single page</a> 2641cb0ef41Sopenharmony_ci </li> 2651cb0ef41Sopenharmony_ci <li> 2661cb0ef41Sopenharmony_ci <a href="punycode.json">View as JSON</a> 2671cb0ef41Sopenharmony_ci </li> 2681cb0ef41Sopenharmony_ci <li class="edit_on_github"><a href="https://github.com/nodejs/node/edit/main/doc/api/punycode.md">Edit on GitHub</a></li> 2691cb0ef41Sopenharmony_ci </ul> 2701cb0ef41Sopenharmony_ci </div> 2711cb0ef41Sopenharmony_ci </li> 2721cb0ef41Sopenharmony_ci </ul> 2731cb0ef41Sopenharmony_ci </div> 2741cb0ef41Sopenharmony_ci <hr> 2751cb0ef41Sopenharmony_ci </header> 2761cb0ef41Sopenharmony_ci 2771cb0ef41Sopenharmony_ci <details id="toc" open><summary>Table of contents</summary><ul> 2781cb0ef41Sopenharmony_ci<li><span class="stability_0"><a href="#punycode">Punycode</a></span> 2791cb0ef41Sopenharmony_ci<ul> 2801cb0ef41Sopenharmony_ci<li><a href="#punycodedecodestring"><code>punycode.decode(string)</code></a></li> 2811cb0ef41Sopenharmony_ci<li><a href="#punycodeencodestring"><code>punycode.encode(string)</code></a></li> 2821cb0ef41Sopenharmony_ci<li><a href="#punycodetoasciidomain"><code>punycode.toASCII(domain)</code></a></li> 2831cb0ef41Sopenharmony_ci<li><a href="#punycodetounicodedomain"><code>punycode.toUnicode(domain)</code></a></li> 2841cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2"><code>punycode.ucs2</code></a> 2851cb0ef41Sopenharmony_ci<ul> 2861cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2decodestring"><code>punycode.ucs2.decode(string)</code></a></li> 2871cb0ef41Sopenharmony_ci<li><a href="#punycodeucs2encodecodepoints"><code>punycode.ucs2.encode(codePoints)</code></a></li> 2881cb0ef41Sopenharmony_ci</ul> 2891cb0ef41Sopenharmony_ci</li> 2901cb0ef41Sopenharmony_ci<li><a href="#punycodeversion"><code>punycode.version</code></a></li> 2911cb0ef41Sopenharmony_ci</ul> 2921cb0ef41Sopenharmony_ci</li> 2931cb0ef41Sopenharmony_ci</ul></details> 2941cb0ef41Sopenharmony_ci 2951cb0ef41Sopenharmony_ci <div id="apicontent"> 2961cb0ef41Sopenharmony_ci <h2>Punycode<span><a class="mark" href="#punycode" id="punycode">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode"></a></h2> 2971cb0ef41Sopenharmony_ci<div class="api_metadata"> 2981cb0ef41Sopenharmony_ci<span>Deprecated since: v7.0.0</span> 2991cb0ef41Sopenharmony_ci</div> 3001cb0ef41Sopenharmony_ci 3011cb0ef41Sopenharmony_ci<p></p><div class="api_stability api_stability_0"><a href="documentation.html#stability-index">Stability: 0</a> - Deprecated</div><p></p> 3021cb0ef41Sopenharmony_ci<p><strong>Source Code:</strong> <a href="https://github.com/nodejs/node/blob/v18.20.1/lib/punycode.js">lib/punycode.js</a></p> 3031cb0ef41Sopenharmony_ci<p><strong>The version of the punycode module bundled in Node.js is being deprecated.</strong> 3041cb0ef41Sopenharmony_ciIn a future major version of Node.js this module will be removed. Users 3051cb0ef41Sopenharmony_cicurrently depending on the <code>punycode</code> module should switch to using the 3061cb0ef41Sopenharmony_ciuserland-provided <a href="https://github.com/bestiejs/punycode.js">Punycode.js</a> module instead. For punycode-based URL 3071cb0ef41Sopenharmony_ciencoding, see <a href="url.html#urldomaintoasciidomain"><code>url.domainToASCII</code></a> or, more generally, the 3081cb0ef41Sopenharmony_ci<a href="url.html#the-whatwg-url-api">WHATWG URL API</a>.</p> 3091cb0ef41Sopenharmony_ci<p>The <code>punycode</code> module is a bundled version of the <a href="https://github.com/bestiejs/punycode.js">Punycode.js</a> module. It 3101cb0ef41Sopenharmony_cican be accessed using:</p> 3111cb0ef41Sopenharmony_ci<pre><code class="language-js"><span class="hljs-keyword">const</span> punycode = <span class="hljs-built_in">require</span>(<span class="hljs-string">'punycode'</span>);</code> <button class="copy-button">copy</button></pre> 3121cb0ef41Sopenharmony_ci<p><a href="https://tools.ietf.org/html/rfc3492">Punycode</a> is a character encoding scheme defined by RFC 3492 that is 3131cb0ef41Sopenharmony_ciprimarily intended for use in Internationalized Domain Names. Because host 3141cb0ef41Sopenharmony_cinames in URLs are limited to ASCII characters only, Domain Names that contain 3151cb0ef41Sopenharmony_cinon-ASCII characters must be converted into ASCII using the Punycode scheme. 3161cb0ef41Sopenharmony_ciFor instance, the Japanese character that translates into the English word, 3171cb0ef41Sopenharmony_ci<code>'example'</code> is <code>'例'</code>. The Internationalized Domain Name, <code>'例.com'</code> (equivalent 3181cb0ef41Sopenharmony_cito <code>'example.com'</code>) is represented by Punycode as the ASCII string 3191cb0ef41Sopenharmony_ci<code>'xn--fsq.com'</code>.</p> 3201cb0ef41Sopenharmony_ci<p>The <code>punycode</code> module provides a simple implementation of the Punycode standard.</p> 3211cb0ef41Sopenharmony_ci<p>The <code>punycode</code> module is a third-party dependency used by Node.js and 3221cb0ef41Sopenharmony_cimade available to developers as a convenience. Fixes or other modifications to 3231cb0ef41Sopenharmony_cithe module must be directed to the <a href="https://github.com/bestiejs/punycode.js">Punycode.js</a> project.</p> 3241cb0ef41Sopenharmony_ci<section><h3><code>punycode.decode(string)</code><span><a class="mark" href="#punycodedecodestring" id="punycodedecodestring">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_decode_string"></a></h3> 3251cb0ef41Sopenharmony_ci<div class="api_metadata"> 3261cb0ef41Sopenharmony_ci<span>Added in: v0.5.1</span> 3271cb0ef41Sopenharmony_ci</div> 3281cb0ef41Sopenharmony_ci<ul> 3291cb0ef41Sopenharmony_ci<li><code>string</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 3301cb0ef41Sopenharmony_ci</ul> 3311cb0ef41Sopenharmony_ci<p>The <code>punycode.decode()</code> method converts a <a href="https://tools.ietf.org/html/rfc3492">Punycode</a> string of ASCII-only 3321cb0ef41Sopenharmony_cicharacters to the equivalent string of Unicode codepoints.</p> 3331cb0ef41Sopenharmony_ci<pre><code class="language-js">punycode.<span class="hljs-title function_">decode</span>(<span class="hljs-string">'maana-pta'</span>); <span class="hljs-comment">// 'mañana'</span> 3341cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">decode</span>(<span class="hljs-string">'--dqo34k'</span>); <span class="hljs-comment">// '☃-⌘'</span></code> <button class="copy-button">copy</button></pre> 3351cb0ef41Sopenharmony_ci</section><section><h3><code>punycode.encode(string)</code><span><a class="mark" href="#punycodeencodestring" id="punycodeencodestring">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_encode_string"></a></h3> 3361cb0ef41Sopenharmony_ci<div class="api_metadata"> 3371cb0ef41Sopenharmony_ci<span>Added in: v0.5.1</span> 3381cb0ef41Sopenharmony_ci</div> 3391cb0ef41Sopenharmony_ci<ul> 3401cb0ef41Sopenharmony_ci<li><code>string</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 3411cb0ef41Sopenharmony_ci</ul> 3421cb0ef41Sopenharmony_ci<p>The <code>punycode.encode()</code> method converts a string of Unicode codepoints to a 3431cb0ef41Sopenharmony_ci<a href="https://tools.ietf.org/html/rfc3492">Punycode</a> string of ASCII-only characters.</p> 3441cb0ef41Sopenharmony_ci<pre><code class="language-js">punycode.<span class="hljs-title function_">encode</span>(<span class="hljs-string">'mañana'</span>); <span class="hljs-comment">// 'maana-pta'</span> 3451cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">encode</span>(<span class="hljs-string">'☃-⌘'</span>); <span class="hljs-comment">// '--dqo34k'</span></code> <button class="copy-button">copy</button></pre> 3461cb0ef41Sopenharmony_ci</section><section><h3><code>punycode.toASCII(domain)</code><span><a class="mark" href="#punycodetoasciidomain" id="punycodetoasciidomain">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_toascii_domain"></a></h3> 3471cb0ef41Sopenharmony_ci<div class="api_metadata"> 3481cb0ef41Sopenharmony_ci<span>Added in: v0.6.1</span> 3491cb0ef41Sopenharmony_ci</div> 3501cb0ef41Sopenharmony_ci<ul> 3511cb0ef41Sopenharmony_ci<li><code>domain</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 3521cb0ef41Sopenharmony_ci</ul> 3531cb0ef41Sopenharmony_ci<p>The <code>punycode.toASCII()</code> method converts a Unicode string representing an 3541cb0ef41Sopenharmony_ciInternationalized Domain Name to <a href="https://tools.ietf.org/html/rfc3492">Punycode</a>. Only the non-ASCII parts of the 3551cb0ef41Sopenharmony_cidomain name will be converted. Calling <code>punycode.toASCII()</code> on a string that 3561cb0ef41Sopenharmony_cialready only contains ASCII characters will have no effect.</p> 3571cb0ef41Sopenharmony_ci<pre><code class="language-js"><span class="hljs-comment">// encode domain names</span> 3581cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toASCII</span>(<span class="hljs-string">'mañana.com'</span>); <span class="hljs-comment">// 'xn--maana-pta.com'</span> 3591cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toASCII</span>(<span class="hljs-string">'☃-⌘.com'</span>); <span class="hljs-comment">// 'xn----dqo34k.com'</span> 3601cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toASCII</span>(<span class="hljs-string">'example.com'</span>); <span class="hljs-comment">// 'example.com'</span></code> <button class="copy-button">copy</button></pre> 3611cb0ef41Sopenharmony_ci</section><section><h3><code>punycode.toUnicode(domain)</code><span><a class="mark" href="#punycodetounicodedomain" id="punycodetounicodedomain">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_tounicode_domain"></a></h3> 3621cb0ef41Sopenharmony_ci<div class="api_metadata"> 3631cb0ef41Sopenharmony_ci<span>Added in: v0.6.1</span> 3641cb0ef41Sopenharmony_ci</div> 3651cb0ef41Sopenharmony_ci<ul> 3661cb0ef41Sopenharmony_ci<li><code>domain</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 3671cb0ef41Sopenharmony_ci</ul> 3681cb0ef41Sopenharmony_ci<p>The <code>punycode.toUnicode()</code> method converts a string representing a domain name 3691cb0ef41Sopenharmony_cicontaining <a href="https://tools.ietf.org/html/rfc3492">Punycode</a> encoded characters into Unicode. Only the <a href="https://tools.ietf.org/html/rfc3492">Punycode</a> 3701cb0ef41Sopenharmony_ciencoded parts of the domain name are be converted.</p> 3711cb0ef41Sopenharmony_ci<pre><code class="language-js"><span class="hljs-comment">// decode domain names</span> 3721cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toUnicode</span>(<span class="hljs-string">'xn--maana-pta.com'</span>); <span class="hljs-comment">// 'mañana.com'</span> 3731cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toUnicode</span>(<span class="hljs-string">'xn----dqo34k.com'</span>); <span class="hljs-comment">// '☃-⌘.com'</span> 3741cb0ef41Sopenharmony_cipunycode.<span class="hljs-title function_">toUnicode</span>(<span class="hljs-string">'example.com'</span>); <span class="hljs-comment">// 'example.com'</span></code> <button class="copy-button">copy</button></pre> 3751cb0ef41Sopenharmony_ci</section><section><h3><code>punycode.ucs2</code><span><a class="mark" href="#punycodeucs2" id="punycodeucs2">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_ucs2"></a></h3> 3761cb0ef41Sopenharmony_ci<div class="api_metadata"> 3771cb0ef41Sopenharmony_ci<span>Added in: v0.7.0</span> 3781cb0ef41Sopenharmony_ci</div> 3791cb0ef41Sopenharmony_ci<h4><code>punycode.ucs2.decode(string)</code><span><a class="mark" href="#punycodeucs2decodestring" id="punycodeucs2decodestring">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_ucs2_decode_string"></a></h4> 3801cb0ef41Sopenharmony_ci<div class="api_metadata"> 3811cb0ef41Sopenharmony_ci<span>Added in: v0.7.0</span> 3821cb0ef41Sopenharmony_ci</div> 3831cb0ef41Sopenharmony_ci<ul> 3841cb0ef41Sopenharmony_ci<li><code>string</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 3851cb0ef41Sopenharmony_ci</ul> 3861cb0ef41Sopenharmony_ci<p>The <code>punycode.ucs2.decode()</code> method returns an array containing the numeric 3871cb0ef41Sopenharmony_cicodepoint values of each Unicode symbol in the string.</p> 3881cb0ef41Sopenharmony_ci<pre><code class="language-js">punycode.<span class="hljs-property">ucs2</span>.<span class="hljs-title function_">decode</span>(<span class="hljs-string">'abc'</span>); <span class="hljs-comment">// [0x61, 0x62, 0x63]</span> 3891cb0ef41Sopenharmony_ci<span class="hljs-comment">// surrogate pair for U+1D306 tetragram for centre:</span> 3901cb0ef41Sopenharmony_cipunycode.<span class="hljs-property">ucs2</span>.<span class="hljs-title function_">decode</span>(<span class="hljs-string">'\uD834\uDF06'</span>); <span class="hljs-comment">// [0x1D306]</span></code> <button class="copy-button">copy</button></pre> 3911cb0ef41Sopenharmony_ci<h4><code>punycode.ucs2.encode(codePoints)</code><span><a class="mark" href="#punycodeucs2encodecodepoints" id="punycodeucs2encodecodepoints">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_ucs2_encode_codepoints"></a></h4> 3921cb0ef41Sopenharmony_ci<div class="api_metadata"> 3931cb0ef41Sopenharmony_ci<span>Added in: v0.7.0</span> 3941cb0ef41Sopenharmony_ci</div> 3951cb0ef41Sopenharmony_ci<ul> 3961cb0ef41Sopenharmony_ci<li><code>codePoints</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><integer[]></a></li> 3971cb0ef41Sopenharmony_ci</ul> 3981cb0ef41Sopenharmony_ci<p>The <code>punycode.ucs2.encode()</code> method returns a string based on an array of 3991cb0ef41Sopenharmony_cinumeric code point values.</p> 4001cb0ef41Sopenharmony_ci<pre><code class="language-js">punycode.<span class="hljs-property">ucs2</span>.<span class="hljs-title function_">encode</span>([<span class="hljs-number">0x61</span>, <span class="hljs-number">0x62</span>, <span class="hljs-number">0x63</span>]); <span class="hljs-comment">// 'abc'</span> 4011cb0ef41Sopenharmony_cipunycode.<span class="hljs-property">ucs2</span>.<span class="hljs-title function_">encode</span>([<span class="hljs-number">0x1D306</span>]); <span class="hljs-comment">// '\uD834\uDF06'</span></code> <button class="copy-button">copy</button></pre> 4021cb0ef41Sopenharmony_ci</section><section><h3><code>punycode.version</code><span><a class="mark" href="#punycodeversion" id="punycodeversion">#</a></span><a aria-hidden="true" class="legacy" id="punycode_punycode_version"></a></h3> 4031cb0ef41Sopenharmony_ci<div class="api_metadata"> 4041cb0ef41Sopenharmony_ci<span>Added in: v0.6.1</span> 4051cb0ef41Sopenharmony_ci</div> 4061cb0ef41Sopenharmony_ci<ul> 4071cb0ef41Sopenharmony_ci<li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a></li> 4081cb0ef41Sopenharmony_ci</ul> 4091cb0ef41Sopenharmony_ci<p>Returns a string identifying the current <a href="https://github.com/bestiejs/punycode.js">Punycode.js</a> version number.</p></section> 4101cb0ef41Sopenharmony_ci <!-- API END --> 4111cb0ef41Sopenharmony_ci </div> 4121cb0ef41Sopenharmony_ci </div> 4131cb0ef41Sopenharmony_ci </div> 4141cb0ef41Sopenharmony_ci</body> 4151cb0ef41Sopenharmony_ci</html> 416