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Showing content from https://developer.mozilla.org/en-US/docs/Web/API/Element/prepend below:

Element: prepend() method - Web APIs

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

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

param1, …, paramN

A set of Node objects or strings to insert.

None (undefined).

HierarchyRequestError DOMException

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

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> ]

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

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

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