Element: prepend() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
TheElement.prepend() method inserts a set ofNode objects or strings before the first childof theElement. Strings are inserted asequivalentText nodes.
Syntax
js
prepend(param1)prepend(param1, param2)prepend(param1, param2, /* …, */ paramN)Parameters
param1, …,paramNA set of
Nodeobjects or strings to insert.
Return value
None (undefined).
Exceptions
HierarchyRequestErrorDOMExceptionThrown when the node cannot be inserted at the specified point in the hierarchy.
Examples
Prepending an element
js
let div = document.createElement("div");let p = document.createElement("p");let span = document.createElement("span");div.append(p);div.prepend(span);console.log(div.childNodes); // NodeList [ <span>, <p> ]Prepending text
js
let div = document.createElement("div");div.append("Some text");div.prepend("Headline: ");console.log(div.textContent); // "Headline: Some text"Prepending an element and text
js
let div = document.createElement("div");let p = document.createElement("p");div.prepend("Some text", p);console.log(div.childNodes); // NodeList [ #text "Some text", <p> ]The prepend method is unscopable
Theprepend() method is not scoped into thewith statement.SeeSymbol.unscopables for more information.
js
let div = document.createElement("div");with (div) { prepend("foo");}// ReferenceError: prepend is not definedSpecifications
| Specification |
|---|
| DOM # ref-for-dom-parentnode-prepend① |