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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
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+---
+title: String.fromCodePoint()
+slug: Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
+tags:
+ - ECMAScript 2015
+ - JavaScript
+ - Metode
+ - Referensi
+ - String
+translation_of: Web/JavaScript/Reference/Global_Objects/String/fromCodePoint
+---
+<div>{{JSRef}}</div>
+
+<p>Metode <strong><code>String.fromCodePoint()</code></strong> mengembalikan string yang dibuat dengan menggunakan urutan titik kode yang ditentukan.</p>
+
+<div>{{EmbedInteractiveExample("pages/js/string-fromcodepoint.html")}}</div>
+
+<p class="hidden">Sumber untuk contoh interaktif ini disimpan dalam repositori github. Jika anda ingin berkontribusi pada proyek contoh interaktif lainnya, silakan klon <a href="https://github.com/mdn/interactive-examples">https://github.com/mdn/interactive-examples</a> dan kirim permintaan penarikan kepada kami.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox"><code>String.fromCodePoint(<var>num1</var>[, ...[, <var>numN</var>]])</code></pre>
+
+<h3 id="Parameters">Parameters</h3>
+
+<dl>
+ <dt><code>num1, ..., num<em>N</em></code></dt>
+ <dd>Urutan Poin Kode</dd>
+</dl>
+
+<h3 id="Return_value">Return value</h3>
+
+<p><span class="tlid-translation translation"><span title="">String yang dibuat dengan menggunakan urutan titik kode yang ditentukan.</span></span></p>
+
+<h3 id="Exceptions">Exceptions</h3>
+
+<ul>
+ <li>A {{jsxref("Errors/Not_a_codepoint", "RangeError")}} adalah sebuah pembatalan jika titik kode Unicode yang valid tidak diberikan (e.g. "RangeError: NaN is not a valid code point").</li>
+</ul>
+
+<h2 id="Description">Description</h2>
+
+<p>Metode ini mengembalikan string dan bukan sebuah objek. {{jsxref("String")}} .</p>
+
+<p>Karena <code>fromCodePoint()</code> adalah metode statik dari {{jsxref("String")}}, dan anda selalu menggunakannya sebagai <code>String.fromCodePoint()</code>, alih-alih sebagai sebuah metode yang anda buat {{jsxref("String")}}</p>
+
+<h2 id="Examples">Examples</h2>
+
+<h3 id="Using_fromCodePoint()">Using <code>fromCodePoint()</code></h3>
+
+<pre class="brush: js">String.fromCodePoint(42); // "*"
+String.fromCodePoint(65, 90); // "AZ"
+String.fromCodePoint(0x404); // "\u0404"
+String.fromCodePoint(0x2F804); // "\uD87E\uDC04"
+String.fromCodePoint(194564); // "\uD87E\uDC04"
+String.fromCodePoint(0x1D306, 0x61, 0x1D307) // "\uD834\uDF06a\uD834\uDF07"
+
+String.fromCodePoint('_'); // RangeError
+String.fromCodePoint(Infinity); // RangeError
+String.fromCodePoint(-1); // RangeError
+String.fromCodePoint(3.14); // RangeError
+String.fromCodePoint(3e-2); // RangeError
+String.fromCodePoint(NaN); // RangeError
+</pre>
+
+<pre class="brush: js">// String.fromCharCode() sendiri tidak bisa mendapatkan karakter pada titik kode tinggi seperti itu
+// Disisi lain, dapat juga mengembalikan karakter 4-byte dan juga
+// yang biasa 2-byte (i.e., dapat mengembalikan satu karakter yang sebenarnya sudah dimiliki
+// string 2 daripada 1!)
+console.log(String.fromCodePoint(0x2F804)); // atau 194564 dalam bilangan desimal
+</pre>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<p>Metode <code>String.fromCodePoint</code> telah ditambahkan ke ECMAScript 2015 dan mungkin belum didukung di semua browser web atau lingkungannya. Gunakan kode dibawah ini untuk polyfill:</p>
+
+<pre class="brush: js">if (!String.fromCodePoint) (function(stringFromCharCode) {
+    var fromCodePoint = function(_) {
+      var codeUnits = [], codeLen = 0, result = "";
+      for (var index=0, len = arguments.length; index !== len; ++index) {
+        var codePoint = +arguments[index];
+  // correctly handles all cases including `NaN`, `-Infinity`, `+Infinity`
+  // The surrounding `!(...)` is required to correctly handle `NaN` cases
+  // The (codePoint&gt;&gt;&gt;0) === codePoint clause handles decimals and negatives
+        if (!(codePoint &lt; 0x10FFFF &amp;&amp; (codePoint&gt;&gt;&gt;0) === codePoint))
+          throw RangeError("Invalid code point: " + codePoint);
+        if (codePoint &lt;= 0xFFFF) { // BMP code point
+          codeLen = codeUnits.push(codePoint);
+        } else { // Astral code point; split in surrogate halves
+          // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+          codePoint -= 0x10000;
+          codeLen = codeUnits.push(
+  (codePoint &gt;&gt; 10) + 0xD800, // highSurrogate
+  (codePoint % 0x400) + 0xDC00 // lowSurrogate
+  );
+        }
+        if (codeLen &gt;= 0x3fff) {
+          result += stringFromCharCode.apply(null, codeUnits);
+          codeUnits.length = 0;
+        }
+      }
+      return result + stringFromCharCode.apply(null, codeUnits);
+    };
+    try { // IE 8 only supports `Object.defineProperty` on DOM elements
+      Object.defineProperty(String, "fromCodePoint", {
+        "value": fromCodePoint, "configurable": true, "writable": true
+      });
+    } catch(e) {
+      String.fromCodePoint = fromCodePoint;
+    }
+}(String.fromCharCode));
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES2015', '#sec-string.fromcodepoint', 'String.fromCodePoint')}}</td>
+ <td>{{Spec2('ES2015')}}</td>
+ <td>Definisi Awal</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-string.fromcodepoint', 'String.fromCodePoint')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p class="hidden">Tabel Kompatibilitas di halaman ini dihasilkan dari data terstruktur. Jika anda ingin berkontribusi pada data, silakan berkunjung <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> dan kirimkan permintaan penarikan</p>
+
+<p>{{Compat("javascript.builtins.String.fromCodePoint")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{jsxref("String.fromCharCode()")}}</li>
+ <li>{{jsxref("String.prototype.charAt()")}}</li>
+ <li>{{jsxref("String.prototype.codePointAt()")}}</li>
+ <li>{{jsxref("String.prototype.charCodeAt()")}}</li>
+</ul>