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+---
+title: Date.now()
+slug: Web/JavaScript/Reference/Global_Objects/Date/now
+tags:
+  - Date
+  - JavaScript
+  - Method
+  - Referensi
+translation_of: Web/JavaScript/Reference/Global_Objects/Date/now
+---
+<div>{{JSRef}}</div>
+
+<p>Method <strong><code>Date.now()</code></strong> mengembalikan jumlah milisekon sejak 1 Januari 1970 00:00:00 UTC.</p>
+
+<h2 id="Sintaks">Sintaks</h2>
+
+<pre class="syntaxbox"><code>var timeInMs = Date.now();</code></pre>
+
+<h3 id="Parameter">Parameter</h3>
+
+<p>None.</p>
+
+<h2 id="Deskripsi">Deskripsi</h2>
+
+<p>Method <code>now()</code> mengembalikan nilaimillisekon sejak 1 January 1970 00:00:00 UTC hingga sekarang sebagai {{jsxref("Number")}}.</p>
+
+<p>Karena <code>now()</code> adalah method static dari {{jsxref("Date")}}, anda bisa menggunakannya sebagai <code>Date.now()</code>.</p>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<p>Method ini di bakukan pada ECMA-262 5<sup>th</sup> edition. Mesin yang belum diupdate untuk mendukung method ini bisa menggunkan shim berikut:</p>
+
+<pre class="brush: js">if (!Date.now) {
+  Date.now = function now() {
+    return new Date().getTime();
+  };
+}
+</pre>
+
+<h2 id="Spesifikasi">Spesifikasi</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Spesifikasi</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES5.1', '#sec-15.9.4.4', 'Date.now')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td>Initial definition. Implemented in JavaScript 1.5.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-date.now', 'Date.now')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-date.now', 'Date.now')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Kompabilitas_Browser">Kompabilitas Browser</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Fitur</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Dukungan dasar</td>
+   <td>{{CompatChrome("5")}}</td>
+   <td>{{CompatGeckoDesktop("1.9")}}</td>
+   <td>{{CompatIE("9")}}</td>
+   <td>{{CompatOpera("10.50")}}</td>
+   <td>{{CompatSafari("4")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Fitur</th>
+   <th>Android</th>
+   <th>Chrome for Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Dukungan dasar</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Lihat_Juga">Lihat Juga</h2>
+
+<ul>
+ <li>{{domxref("Performance.now()")}} — menyediakan timestamp dengan resolusi sub-millisekon untuk digunakan untuk mengukur performa halaman web</li>
+ <li>{{domxref("console.time()")}} / {{domxref("console.timeEnd()")}}</li>
+</ul>