Baseline Widely available
The Document.body
property represents the <body>
or <frameset>
node of the current document, or null
if no such element exists.
// 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.
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