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| author | Ryan Johnson <rjohnson@mozilla.com> | 2021-04-29 16:16:42 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-29 16:16:42 -0700 |
| commit | 95aca4b4d8fa62815d4bd412fff1a364f842814a (patch) | |
| tree | 5e57661720fe9058d5c7db637e764800b50f9060 /files/it/web/javascript/reference/global_objects/math/ceil | |
| parent | ee3b1c87e3c8e72ca130943eed260ad642246581 (diff) | |
| download | translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.gz translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.bz2 translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.zip | |
remove retired locales (#699)
Diffstat (limited to 'files/it/web/javascript/reference/global_objects/math/ceil')
| -rw-r--r-- | files/it/web/javascript/reference/global_objects/math/ceil/index.html | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/files/it/web/javascript/reference/global_objects/math/ceil/index.html b/files/it/web/javascript/reference/global_objects/math/ceil/index.html deleted file mode 100644 index c8cdcb96dd..0000000000 --- a/files/it/web/javascript/reference/global_objects/math/ceil/index.html +++ /dev/null @@ -1,161 +0,0 @@ ---- -title: Math.ceil() -slug: Web/JavaScript/Reference/Global_Objects/Math/ceil -translation_of: Web/JavaScript/Reference/Global_Objects/Math/ceil ---- -<div>{{JSRef}}</div> - -<p>La funzione <strong><code>Math.ceil()</code></strong> ritorna il più piccolo intero più grande di o uguale a un dato numero.</p> - -<h2 id="Sintassi">Sintassi</h2> - -<pre class="syntaxbox"><code>Math.ceil(<var>x</var>)</code></pre> - -<h3 id="Parametri">Parametri</h3> - -<dl> - <dt><code>x</code></dt> - <dd>Un numero.</dd> -</dl> - -<h3 id="Valore_di_ritorno">Valore di ritorno</h3> - -<p>Il più piccolo intero più grande di o uguale al dato numero.</p> - -<h2 id="Descrizione">Descrizione</h2> - -<p>Visto che <code>ceil()</code> è un metodo statico di <code>Math</code>, va usato sempre come <code>Math.ceil()</code>, piuttosto che come metodo di un oggetto <code>Math</code> creato (<code>Math</code> non è un costruttore).</p> - -<h2 id="Esempi">Esempi</h2> - -<h3 id="Usare_Math.ceil()">Usare <code>Math.ceil()</code></h3> - -<p>L'esempio seguente mostra un uso di <code>Math.ceil()</code>.</p> - -<pre class="brush: js">Math.ceil(.95); // 1 -Math.ceil(4); // 4 -Math.ceil(7.004); // 8 -Math.ceil(-0.95); // -0 -Math.ceil(-4); // -4 -Math.ceil(-7.004); // -7 -</pre> - -<h3 id="Arrotondamento_decimale">Arrotondamento decimale</h3> - -<pre class="brush: js">// Closure -(function() { - /** - * Decimal adjustment of a number. - * - * @param {String} type The type of adjustment. - * @param {Number} value The number. - * @param {Integer} exp The exponent (the 10 logarithm of the adjustment base). - * @returns {Number} The adjusted value. - */ - function decimalAdjust(type, value, exp) { - // If the exp is undefined or zero... - if (typeof exp === 'undefined' || +exp === 0) { - return Math[type](value); - } - value = +value; - exp = +exp; - // If the value is not a number or the exp is not an integer... - if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0)) { - return NaN; - } - // Shift - value = value.toString().split('e'); - value = Math[type](+(value[0] + 'e' + (value[1] ? (+value[1] - exp) : -exp))); - // Shift back - value = value.toString().split('e'); - return +(value[0] + 'e' + (value[1] ? (+value[1] + exp) : exp)); - } - - // Decimal round - if (!Math.round10) { - Math.round10 = function(value, exp) { - return decimalAdjust('round', value, exp); - }; - } - // Decimal floor - if (!Math.floor10) { - Math.floor10 = function(value, exp) { - return decimalAdjust('floor', value, exp); - }; - } - // Decimal ceil - if (!Math.ceil10) { - Math.ceil10 = function(value, exp) { - return decimalAdjust('ceil', value, exp); - }; - } -})(); - -// Round -Math.round10(55.55, -1); // 55.6 -Math.round10(55.549, -1); // 55.5 -Math.round10(55, 1); // 60 -Math.round10(54.9, 1); // 50 -Math.round10(-55.55, -1); // -55.5 -Math.round10(-55.551, -1); // -55.6 -Math.round10(-55, 1); // -50 -Math.round10(-55.1, 1); // -60 -// Floor -Math.floor10(55.59, -1); // 55.5 -Math.floor10(59, 1); // 50 -Math.floor10(-55.51, -1); // -55.6 -Math.floor10(-51, 1); // -60 -// Ceil -Math.ceil10(55.51, -1); // 55.6 -Math.ceil10(51, 1); // 60 -Math.ceil10(-55.59, -1); // -55.5 -Math.ceil10(-59, 1); // -50 -</pre> - -<h2 id="Specifiche">Specifiche</h2> - -<table class="standard-table"> - <tbody> - <tr> - <th scope="col">Specifica</th> - <th scope="col">Stato</th> - <th scope="col">Commento</th> - </tr> - <tr> - <td>{{SpecName('ES1')}}</td> - <td>{{Spec2('ES1')}}</td> - <td>Initial definition. Implemented in JavaScript 1.0.</td> - </tr> - <tr> - <td>{{SpecName('ES5.1', '#sec-15.8.2.6', 'Math.ceil')}}</td> - <td>{{Spec2('ES5.1')}}</td> - <td> </td> - </tr> - <tr> - <td>{{SpecName('ES6', '#sec-math.ceil', 'Math.ceil')}}</td> - <td>{{Spec2('ES6')}}</td> - <td> </td> - </tr> - <tr> - <td>{{SpecName('ESDraft', '#sec-math.ceil', 'Math.ceil')}}</td> - <td>{{Spec2('ESDraft')}}</td> - <td> </td> - </tr> - </tbody> -</table> - -<h2 id="Compatibilità_dei_browser">Compatibilità dei browser</h2> - -<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p> - -<p>{{Compat("javascript.builtins.Math.ceil")}}</p> - -<h2 id="Vedi_anche">Vedi anche</h2> - -<ul> - <li>{{jsxref("Math.abs()")}}</li> - <li>{{jsxref("Math.floor()")}}</li> - <li>{{jsxref("Math.round()")}}</li> - <li>{{jsxref("Math.sign()")}}</li> - <li>{{jsxref("Math.trunc()")}}</li> -</ul> |
