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author | Florian Merz <me@fiji-flo.de> | 2021-02-11 14:45:12 +0100 |
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committer | Florian Merz <me@fiji-flo.de> | 2021-02-11 14:45:12 +0100 |
commit | cb9e359a51c3249d8f5157db69d43fd413ddeda6 (patch) | |
tree | ae3040d626c3b5717da5bda2af9f0a9ff9bd389f /files/ca/web/javascript/reference/global_objects/math/log10/index.html | |
parent | 8260a606c143e6b55a467edf017a56bdcd6cba7e (diff) | |
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unslug ca: move
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diff --git a/files/ca/web/javascript/reference/global_objects/math/log10/index.html b/files/ca/web/javascript/reference/global_objects/math/log10/index.html new file mode 100644 index 0000000000..1a82f34848 --- /dev/null +++ b/files/ca/web/javascript/reference/global_objects/math/log10/index.html @@ -0,0 +1,126 @@ +--- +title: Math.log10() +slug: Web/JavaScript/Referencia/Objectes_globals/Math/log10 +translation_of: Web/JavaScript/Reference/Global_Objects/Math/log10 +--- +<div>{{JSRef}}</div> + +<p>La funció <strong><code>Math.log10()</code></strong> retorna el logaritme en base 10 d'un nombre, és a dir</p> + +<p><math display="block"><semantics><mrow><mo>∀</mo><mi>x</mi><mo>></mo><mn>0</mn><mo>,</mo><mstyle mathvariant="monospace"><mrow><mo lspace="0em" rspace="thinmathspace">Math.log10</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mrow></mstyle><mo>=</mo><msub><mo lspace="0em" rspace="0em">log</mo><mn>10</mn></msub><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=la única</mo><mspace width="thickmathspace"></mspace><mi>y</mi><mspace width="thickmathspace"></mspace><mtext>tal que</mtext><mspace width="thickmathspace"></mspace><msup><mn>10</mn><mi>y</mi></msup><mo>=</mo><mi>x</mi></mrow><annotation encoding="TeX">\forall x > 0, \mathtt{\operatorname{Math.log10}(x)} = \log_10(x) = \text{the unique} \; y \; \text{such that} \; 10^y = x</annotation></semantics></math></p> + +<h2 id="Sintaxi">Sintaxi</h2> + +<pre class="syntaxbox"><code>Math.log10(<var>x</var>)</code></pre> + +<h3 id="Paràmetres">Paràmetres</h3> + +<dl> + <dt><code>x</code></dt> + <dd>Un nombre.</dd> +</dl> + +<h2 id="Descripció">Descripció</h2> + +<p>Si el valor de <code>x</code> és menor que 0, el valor retornat sempre és {{jsxref("NaN")}}.</p> + +<p>Com que <code>log10()</code> és un mètode estàtic de <code>Math</code>, sempre s'utilitza com <code>Math.log10()</code> en comptes de com un mètode d'un objecte <code>Math</code> creat (<code>Math</code> no és un constructor).</p> + +<h2 id="Exemples">Exemples</h2> + +<h3 id="Utilitzar_Math.log10()">Utilitzar <code>Math.log10()</code></h3> + +<pre class="brush: js">Math.log10(2); // 0.3010299956639812 +Math.log10(1); // 0 +Math.log10(0); // -Infinit +Math.log10(-2); // NaN +Math.log10(100000); // 5 +</pre> + +<h2 id="Polyfill">Polyfill</h2> + +<p>Aquesta funció pot ser emulada mitjançant el següent codi:</p> + +<pre class="brush: js">Math.log10 = Math.log10 || function(x) { + return Math.log(x) / Math.LN10; +}; +</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-math.log10', 'Math.log10')}}</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>{{CompatChrome("38")}}</td> + <td>{{CompatGeckoDesktop("25")}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatOpera("25")}}</td> + <td>{{CompatSafari("7.1")}}</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")}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>8</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="Vegeu_també">Vegeu també</h2> + +<ul> + <li>{{jsxref("Math.exp()")}}</li> + <li>{{jsxref("Math.log()")}}</li> + <li>{{jsxref("Math.log1p()")}} {{experimental_inline}}</li> + <li>{{jsxref("Math.log2()")}} {{experimental_inline}}</li> + <li>{{jsxref("Math.pow()")}}</li> +</ul> |