---
title: HTMLElement
slug: Web/API/HTMLElement
tags:
  - API
  - HTML DOM
  - Interface
  - NeedsNewLayout
  - Referenza
translation_of: Web/API/HTMLElement
---
<div>{{ApiRef("HTML DOM")}}</div>

<p>L'interfaccia <strong><code>HTMLElement</code></strong> rappresenta un qualsiasi elemento <a href="/en-US/docs/Web/HTML" title="/en-US/docs/Web/HTML">HTML</a>. Alcuni elementi implementano direttamente questa interfaccia, altri la implementano attraverso un'interfaccia che la eredita.</p>

<h2 id="Proprietà">Proprietà</h2>

<p><em>Eredita le proprietà dai propri genitori, da {{domxref("Element")}} e da {{domxref("GlobalEventHandlers")}}.</em></p>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Nome</th>
   <th scope="col">Tipo</th>
   <th scope="col">Descrizione</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{domxref("HTMLElement.accessKey")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>La chiave d'accesso assegnata all'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.accessKeyLabel")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>Una stringa che rappresenta la chiave d'accesso assegnata all'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.contentEditable")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>Ritorna o assegna la modificabilità dell'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.isContentEditable")}} {{readonlyInline}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td>Indica se il contenuto dell'elemento sia modificabile.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dataset")}} {{readonlyInline}}</td>
   <td>{{domxref("DOMStringMap")}}</td>
   <td>Permette di leggere e scrivere attributi personalizzati (<code>data-*</code>) nell'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dir")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>Ritorna o assegna la direzione dell'elemento</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.draggable")}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dropzone")}} {{readonlyInline}}</td>
   <td>{{domxref("DOMSettableTokenList")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.hidden")}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemScope")}} {{experimental_inline}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemType")}} {{readonlyInline}}{{experimental_inline}}</td>
   <td>{{domxref("DOMSettableTokenList")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemId")}} {{experimental_inline}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemRef")}} {{readonlyInline}}{{experimental_inline}}</td>
   <td>{{domxref("DOMSettableTokenList")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemProp")}} {{readonlyInline}}{{experimental_inline}}</td>
   <td>{{domxref("DOMSettableTokenList")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemValue")}} {{experimental_inline}}</td>
   <td><code>any</code></td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.lang")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>Ritorna o assegna la lingua di un attributo, di un elemento, del testo e del contenuto di un elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetHeight")}} {{readonlyInline}}{{experimental_inline}}</td>
   <td><code>double</code></td>
   <td>L'altezza di un elemento, relativa al layout.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetLeft")}}{{readonlyInline}}{{experimental_inline}}</td>
   <td><code>double</code></td>
   <td>La distanza tra il bordo sinistro dell'elemento e il bordo sinistro del suo <code>offsetParent</code>.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetParent")}}{{readonlyInline}}{{experimental_inline}}</td>
   <td>{{domxref("Element")}}</td>
   <td>L'elemento a partire dal quale tutti i calcoli dell'offset sono effettuati.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetTop")}}{{readonlyInline}}{{experimental_inline}}</td>
   <td><code>double</code></td>
   <td>La distanza tra il bordo superiore dell'elemento e il bordo superiore del suo <code>offsetParent</code>.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetWidth")}}{{readonlyInline}}{{experimental_inline}}</td>
   <td><code>double</code></td>
   <td>La larghezza di un elemento, relativa al layout.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.properties")}} {{readonlyInline}}{{experimental_inline}}</td>
   <td>{{domxref("HTMLPropertiesCollection")}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.spellcheck")}}{{ gecko_minversion_inline("1.9")}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td>Controlla il <a href="/en-US/docs/HTML/Controlling_spell_checking_in_HTML_forms" title="en/Controlling_spell_checking_in_HTML_forms">controllo ortografico</a> (presente in tutti gli elementi HTML)</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.style")}}</td>
   <td>{{domxref("CSSStyleDeclaration")}}</td>
   <td>Un oggetto che rappresenta la dichiarazione degli attributi di stile di un elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.tabIndex")}}</td>
   <td><code>long</code></td>
   <td>Ritorna o assegna la posizione di un elemento nell'ordine di tabbing.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.title")}}</td>
   <td>{{domxref("DOMString")}}</td>
   <td>Una stringa che appare in un popup quando il mouse si trova sopra all'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.translate")}} {{experimental_inline}}</td>
   <td>{{domxref("Boolean")}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h3 id="Gestori_degli_eventi">Gestori degli eventi</h3>

<p>Le proprietà degli eventi, nella forma <code>onXYZ</code>, sono definite nei {{domxref("GlobalEventHandlers")}} implementati da <code>HTMLElement</code>. Alcune altre sono specifiche per <code>HTMLElement</code>.</p>

<dl>
 <dt>{{domxref("HTMLElement.onTouchStart")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchstart")}}.</dd>
 <dt>{{domxref("HTMLElement.onTouchEnd")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchend")}}.</dd>
 <dt>{{domxref("HTMLElement.onTouchMove")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchmove")}}.</dd>
 <dt>{{domxref("HTMLElement.onTouchEnter")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchenter")}}.</dd>
 <dt>{{domxref("HTMLElement.onTouchLeave")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchleave")}}.</dd>
 <dt>{{domxref("HTMLElement.onTouchCancel")}} {{non-standard_inline}}</dt>
 <dd>Restituisce il codice di gestione dell'evento {{event("touchcancel")}}.</dd>
</dl>

<h2 id="Metodi">Metodi</h2>

<p><em>Eredita i metodi dal genitore, {{domxref("Element")}}.</em></p>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Nome e argomenti</th>
   <th scope="col">Restituisce</th>
   <th scope="col">Descrizione</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{domxref("HTMLElement.blur()")}}</td>
   <td><code>void</code></td>
   <td>Rimuove il focus della tastiera dall'elemento attualmente in focus.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.click()")}}</td>
   <td><code>void</code></td>
   <td>Invia un evento di clic del mouse all'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.focus()")}}</td>
   <td><code>void</code></td>
   <td>Porta il focus della tastiera sull'elemento.</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.forceSpellCheck()")}} {{experimental_inline}}</td>
   <td><code>void</code></td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="Specifiche">Specifiche</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specifica</th>
   <th scope="col">Stato</th>
   <th scope="col">Commenti</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('CSSOM View', '#extensions-to-the-htmlelement-interface', 'HTMLElement')}}</td>
   <td>{{Spec2('CSSOM View')}}</td>
   <td>Aggiunge le seguenti proprietà: <code>offsetParent</code>, <code>offsetTop</code>, <code>offsetLeft</code>, <code>offsetWidth</code>, e <code>offsetHeight</code>.</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML WHATWG', 'elements.html#htmlelement', 'HTMLElement')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>Aggiunge le seguenti proprietà: <code>translate</code>, <code>itemScope</code>, <code>itemType</code>, <code>itemId</code>, <code>itemRef</code>, <code>itemProp</code>, <code>properties</code>, e <code>itemValue</code>.<br>
    Aggiunti i seguenti metodi: <code>forceSpellcheck()</code>.<br>
    Spostati gli attributi <code>onXYZ</code> all'interfaccia {{domxref("GlobalEventHandlers")}} e aggiunta la sua ereditarietà.</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5 W3C', 'dom.html#htmlelement', 'HTMLElement')}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td>Aggiunge le seguenti proprietà: <code>dataset</code>, <code>hidden</code>, <code>tabindex</code>, <code>accessKey</code>, <code>accessKeyLabel</code>, <code>draggable</code>, <code>dropzone</code>, <code>contentEditable</code>, <code>isContentEditable</code>, <code>contextMenu</code>, <code>spellcheck</code>, <code>commandType</code>, <code>commandLabel</code>, <code>commandIcon</code>, <code>commandHidden</code>, <code>commandDisabled</code>, <code>commandChecked</code>, <code>style</code>, e tutte le proprietà <code>onXYZ</code>.<br>
    Spostate le proprietà <code>id</code> e <code>className</code> all'interfaccia {{domxref("Element")}}.</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM2 HTML', 'html.html#ID-011100101', 'HTMLElement')}}</td>
   <td>{{Spec2('DOM2 HTML')}}</td>
   <td>Nessun cambiamento da {{SpecName('DOM2 HTML')}}</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM1', 'level-one-html.html#ID-011100101', 'HTMLElement')}}</td>
   <td>{{Spec2('DOM1')}}</td>
   <td>Definizione iniziale.</td>
  </tr>
 </tbody>
</table>

<h2 id="Compatibilità_con_i_browser">Compatibilità con i browser</h2>

<p>{{CompatibilityTable}}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Funzionalità</th>
   <th>Firefox (Gecko)</th>
   <th>Chrome</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Supporto di base</td>
   <td>{{CompatGeckoDesktop("1.0")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.accessKey", "accessKey")}}</td>
   <td>{{CompatGeckoDesktop("5.0")}}</td>
   <td>17.0</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatVersionUnknown}}(<a class="external" href="http://trac.webkit.org/changeset/107483">535.10</a>)</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.accessKeyLabel", "accessKeyLabel")}}</td>
   <td>{{CompatGeckoDesktop("8.0")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatNo}}{{WebkitBug(72715)}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.blur()", "blur()")}}</td>
   <td>{{CompatGeckoDesktop("5.0")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.click()", "click()")}}</td>
   <td>{{CompatGeckoDesktop("5.0")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatVersionUnknown}}(<a class="external" href="http://trac.webkit.org/changeset/107483">535.24</a>)</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dataset", "dataset")}}</td>
   <td>{{CompatGeckoDesktop("6.0")}}</td>
   <td>9.0</td>
   <td>{{CompatUnknown}}</td>
   <td>11.10</td>
   <td>5.1</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.focus()", "focus()")}}</td>
   <td>{{CompatGeckoDesktop("5.0")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.contentEditable", "contentEditable")}}</td>
   <td>{{CompatGeckoDesktop("1.9")}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>5.5</td>
   <td>9</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.spellcheck", "spellcheck")}}</td>
   <td>{{CompatGeckoDesktop("1.8.1")}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.forceSpellCheck", "forceSpellCheck()")}} {{experimental_inline}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dataset", "dataset")}}</td>
   <td>{{CompatGeckoDesktop("6.0")}}</td>
   <td>8.0</td>
   <td>11</td>
   <td>11.10</td>
   <td>6</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.draggable", "draggable")}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>12.0</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dropzone", "dropzone")}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>12.0</td>
   <td>{{CompatNo}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.offsetLeft", "offsetLeft")}}, {{domxref("HTMLElement.offsetTop", "offsetTop")}}, {{domxref("HTMLElement.offsetParent", "offsetParent")}}, {{domxref("HTMLElement.offsetHeight", "offsetHeight")}} and {{domxref("HTMLElement.offsetWidth", "offsetWidth")}} {{experimental_inline}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.translate", "translate")}} {{experimental_inline}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.itemScope", "itemScope")}}, {{domxref("HTMLElement.itemType", "itemType")}}, {{domxref("HTMLElement.itemRef", "itemRef")}}, {{domxref("HTMLElement.itemId", "itemId")}}, {{domxref("HTMLElement.itemProp", "itemProp")}}, and {{domxref("HTMLElement.itemValue", "itemValue")}} {{experimental_inline}}</td>
   <td>{{CompatGeckoDesktop("6.0")}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>11.60<br>
    (Removed in Opera 15)</td>
   <td>{{CompatNo}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.properties", "properties")}} {{experimental_inline}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.ontouchstart")}}, {{domxref("HTMLElement.ontouchend")}}, {{domxref("HTMLElement.ontouchmove")}}, {{domxref("HTMLElement.ontouchenter")}}, {{domxref("HTMLElement.ontouchleave")}}, and {{domxref("HTMLElement.ontouchcancel")}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Funzionalità</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>Android</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Supporto di base</td>
   <td>
    <p>{{CompatGeckoMobile("1.0")}}</p>
   </td>
   <td rowspan="7">{{CompatUnknown}}</td>
   <td rowspan="7">{{CompatUnknown}}</td>
   <td rowspan="7">{{CompatUnknown}}</td>
   <td rowspan="7">{{CompatUnknown}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.accessKey", "accessKey")}}</td>
   <td>{{CompatGeckoMobile("5.0")}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.accessKeyLabel", "accessKeyLabel")}}</td>
   <td>{{CompatGeckoMobile("8.0")}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.blur()", "blur()")}}</td>
   <td>{{CompatGeckoMobile("5.0")}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.click()", "click()")}}</td>
   <td>{{CompatGeckoMobile("5.0")}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.dataset", "dataset")}}</td>
   <td>{{CompatGeckoMobile("6.0")}}</td>
  </tr>
  <tr>
   <td>{{domxref("HTMLElement.focus()", "focus()")}}</td>
   <td>{{CompatGeckoMobile("5.0")}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="Vedi_anche">Vedi anche</h2>

<ul>
 <li>{{domxref("Element")}}</li>
</ul>