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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:41:15 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:41:15 -0500
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+---
+title: Number.EPSILON
+slug: Web/JavaScript/Referencia/Objectes_globals/Number/EPSILON
+translation_of: Web/JavaScript/Reference/Global_Objects/Number/EPSILON
+---
+<div>{{JSRef("Global_Objects", "Number")}}</div>
+
+<h2 id="Summary" name="Summary">Resum</h2>
+
+<p>La propietat <strong><code>Number.EPSILON</code></strong> representa la diferència entre el nombre 1 i el valor més petit major que 1 que pot ser representat com un {{jsxref("Global_Objects/Number", "Number")}}.</p>
+
+<p>Per tal d'accedir a la propietat no es fa necessari crear un objecte {{jsxref("Global_Objects/Number", "Number")}} ja que és una propietat estàtica i n'hi ha prou amb fer servir <code>Number.EPSILON</code> per a obtindre el valor.</p>
+
+<div>{{js_property_attributes(0, 0, 0)}}</div>
+
+<h2 id="Description" name="Description">Descripció</h2>
+
+<p>La propietat <code>EPSILON</code> té un valor aproximat de <code>2.2204460492503130808472633361816E-16</code>, és a dir, <code>2<sup>-52</sup></code>.</p>
+
+<h2 id="Examples" name="Examples">Exemples</h2>
+
+<h3 id="Exemple_Comprovant_l'igualtat">Exemple: Comprovant l'igualtat</h3>
+
+<pre class="brush: js">x = 0.2;
+y = 0.3;
+equal = (Math.abs(x - y) &lt; Number.EPSILON);
+</pre>
+
+<h2 id="Especificacions">Especificacions</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Especificació</th>
+ <th scope="col">Estat</th>
+ <th scope="col">Comentaris</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ES6', '#sec-15.7.3.7', 'Number.EPSILON')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Definició inicial</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilitat_amb_navegadors">Compatibilitat amb navegadors</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Característica</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Suport bàsic</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("25.0")}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Característica</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>Suport bàsic</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatGeckoMobile("25.0")}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also" name="See_also">Vegeu també</h2>
+
+<ul>
+ <li>L'objecte {{jsxref("Global_Objects/Number", "Number")}} al qual pertany.</li>
+</ul>