Document.body
The Document.body property represents the
<body> or <frameset> node of the current document, or
null if no such element exists.
Value
One of the following:
<body><frameset>null
Examples
// Given this HTML: <body id="oldBodyElement"></body>
alert(document.body.id); // "oldBodyElement"
const aNewBodyElement = document.createElement("body");
aNewBodyElement.id = "newBodyElement";
document.body = aNewBodyElement;
alert(document.body.id); // "newBodyElement"
Notes
document.body is the element that contains the content for the document.
In documents with <body> contents, returns the
<body> element, and in frameset documents, this returns the outermost
<frameset> element.
Though the body property is settable, setting a new body on a document
will effectively remove all the current children of the existing
<body> element.
Specifications
| Specification |
|---|
| HTML Standard # dom-document-body-dev |
Browser compatibility
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