DocumentFragment.prepend()
The DocumentFragment.prepend()
method
inserts a set of Node
objects or DOMString
objects before
the first child of the document fragment. DOMString
objects
are inserted as equivalent Text
nodes.
This method prepends a child to a DocumentFragment
. To prepend to an arbitrary element in the tree, see Element.prepend()
.
Syntax
prepend(...nodesOrDOMStrings)
Parameters
Exceptions
HierarchyRequestError
DOMException
-
Thrown when the node cannot be inserted at the specified point in the hierarchy.
Examples
Prepending an element to a document fragment
let fragment = new DocumentFragment();
let div = document.createElement("div");
let p = document.createElement("p");
fragment.append(p);
fragment.prepend(div);
fragment.children; // HTMLCollection [<div>, <p>]
Specifications
Specification |
---|
DOM Standard # ref-for-dom-parentnode-prependā |
Browser compatibility
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