La proprietà head di sola lettura dell'interfaccia Document restituisce l'elemento <head> del documento corrente.
Sintassi
var objRef = document.head;
Valore
Un HTMLHeadElement.
Esempio
<!doctype html>
<head id="my-document-head">
<title>Esempio: usare document.head</title>
</head>
<script>
var theHead = document.head;
console.log(theHead.id); // "my-document-head";
console.log( theHead === document.querySelector("head") ); // true
</script>
Appunti
document.head è di sola lettura. Cercare di assegnare un valore a questa proprietà fallirà silenziosamente o, in Strict Mode, genera un TypeError .
Specifiche
| Specifica | Stato | Commento |
|---|---|---|
| HTML 5.1 The definition of 'Document.head' in that specification. |
Recommendation | |
| HTML5 The definition of 'Document.head' in that specification. |
Recommendation | |
| HTML Living Standard The definition of 'Document.head' in that specification. |
Living Standard | Definizione iniziale. |
Compatibilità con i browser
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
head | Chrome Full support 4 | Edge Full support 12 | Firefox Full support 4 | IE Full support 9 | Opera Full support 11 | Safari Full support 5 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support