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diff --git a/files/ca/web/javascript/reference/global_objects/math/ln2/index.html b/files/ca/web/javascript/reference/global_objects/math/ln2/index.html new file mode 100644 index 0000000000..92cf2693f2 --- /dev/null +++ b/files/ca/web/javascript/reference/global_objects/math/ln2/index.html @@ -0,0 +1,118 @@ +--- +title: Math.LN2 +slug: Web/JavaScript/Referencia/Objectes_globals/Math/LN2 +translation_of: Web/JavaScript/Reference/Global_Objects/Math/LN2 +--- +<div>{{JSRef("Global_Objects", "Math")}}</div> + +<h2 id="Summary" name="Summary">Resum</h2> + +<p>La propietat <strong><code>Math.LN2</code></strong> representa el logaritme natural de 2, aproximadament 0.693:</p> + +<p><math display="block"><semantics><mrow><mstyle mathvariant="monospace"><mi>Math.LN2</mi></mstyle><mo>=</mo><mo lspace="0em" rspace="0em">ln</mo><mo stretchy="false">(</mo><mn>2</mn><mo stretchy="false">)</mo><mo>≈</mo><mn>0.693</mn></mrow><annotation encoding="TeX">\mathtt{\mi{Math.LN2}} = \ln(2) \approx 0.693</annotation></semantics></math></p> + +<div>{{js_property_attributes(0, 0, 0)}}</div> + +<h2 id="Description" name="Description">Descripció</h2> + +<p>Degut a que <code>LN2</code> és una propietat estàtica de <code>Math</code>, sempre s'accedeix a aquesta mitjançant el codi <code>Math.LN2</code> en comptes d'accedir a la propietat d'un objecte de <code>Math</code> ja creat (<code>Math</code> no és un constructor).</p> + +<h2 id="Examples" name="Examples">Exemples</h2> + +<h3 id="Example:_Using_Math.LN2" name="Example:_Using_Math.LN2">Exemple: Utilitzar <code>Math.LN2</code></h3> + +<p>La següent funció retorna el logaritme natural de 2:</p> + +<pre class="brush:js">function getNatLog2() { + return Math.LN2; +} + +getNatLog2(); // 0.6931471805599453 +</pre> + +<h2 id="Specifications" name="Specifications">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>ECMAScript 1a Edició.</td> + <td>Standard</td> + <td>Definició inicial. Implementat a JavaScript 1.0.</td> + </tr> + <tr> + <td>{{SpecName('ES5.1', '#sec-15.8.1.3', 'Math.LN2')}}</td> + <td>{{Spec2('ES5.1')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('ES6', '#sec-math.ln2', 'Math.LN2')}}</td> + <td>{{Spec2('ES6')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility" name="Browser_compatibility">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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also" name="See_also">Vegeu també</h2> + +<ul> + <li>{{jsxref("Math.exp()")}}</li> + <li>{{jsxref("Math.log()")}}</li> + <li>{{jsxref("Math.log2()")}} {{experimental_inline}}</li> +</ul> |