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+---
+title: 'RangeError: argument is not a valid code point'
+slug: Web/JavaScript/Reference/Errors/Not_a_codepoint
+tags:
+  - Errors
+  - JavaScript
+  - RangeError
+translation_of: Web/JavaScript/Reference/Errors/Not_a_codepoint
+---
+<div>{{jsSidebar("Errors")}}</div>
+
+<h2 id="Pesan">Pesan</h2>
+
+<pre class="syntaxbox">RangeError: Invalid code point {0} (Edge)
+RangeError: {0} is not a valid code point (Firefox)
+RangeError: Invalid code point {0} (Chrome)
+</pre>
+
+<p> </p>
+
+<h2 id="Tipe_error">Tipe error</h2>
+
+<p>{{jsxref("RangeError")}}</p>
+
+<h2 id="Apa_yang_salah">Apa yang salah?</h2>
+
+<p><span class="seoSummary">{{jsxref("String.fromCodePoint()")}} throws this error when passed {{jsxref("NaN")}} values, negative Integers (-1), non-Integers (5.4), or values larger than 0x10FFFF (1114111).</span></p>
+
+<p>Satu <a href="https://en.wikipedia.org/wiki/Code_point">poin kode</a> ialah satu nilai dalam codespace Unicode; yaitu, kisaran integer dari <code>0</code> hingga <code>0x10FFFF</code>.</p>
+
+<h2 id="Contoh">Contoh</h2>
+
+<h3 id="Kasus_tak_nvalid">Kasus tak nvalid</h3>
+
+<pre class="brush: js example-bad">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>
+
+<h3 id="Kasus_valid">Kasus valid</h3>
+
+<pre class="brush: js example-good">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"
+</pre>
+
+<h2 id="Lihat_juga">Lihat juga</h2>
+
+<ul>
+ <li>{{jsxref("String.fromCodePoint()")}}</li>
+</ul>