W3cubDocs

/Web APIs

Element: prepend() method

The Element.prepend() method inserts a set of Node objects or string objects before the first child of the Element. String objects are inserted as equivalent Text nodes.

Syntax

prepend(param1)
prepend(param1, param2)
prepend(param1, param2, /* …, */ paramN)

Parameters

param1, …, paramN: A set of Node or string objects to insert.

Return value

None (undefined).

Exceptions

HierarchyRequestError DOMException: Thrown when the node cannot be inserted at the specified point in the hierarchy.

Examples

Prepending an element

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

let div = document.createElement("div");
div.append("Some text");
div.prepend("Headline: ");

console.log(div.textContent); // "Headline: Some text"

Prepending an element and text

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

The prepend() method is not scoped into the with statement. See Symbol.unscopables for more information.

let div = document.createElement("div");

with (div) {
  prepend("foo");
}
// ReferenceError: prepend is not defined

Specifications

Specification
DOM Standard # ref-for-dom-parentnode-prepend①

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`prepend`	54	17	49	No	41	10	54	54	49	41	10	6.0