Document.replaceChildren()

The Document.replaceChildren() method replaces the existing children of a Document with a specified new set of children.

nodesOrDOMStrings

A set of Node or DOMString objects to replace the Document's existing children with. If no replacement objects are specified, then the Document is emptied of all child nodes.

HierarchyRequestError DOMException

Thrown if the constraints of the node tree are violated.

replaceChildren() provides a very convenient mechanism for emptying a document of all its children. You call it on the document without any argument specified:

document.replaceChildren();
document.children; // HTMLCollection []

• Document.prepend()
• Document.append()