The ParentNode.append()
method inserts a set of Node
objects or DOMString
objects after the last child of the ParentNode
. DOMString
objects are inserted as equivalent Text
nodes.
Differences from Node.appendChild()
:
ParentNode.append()
allows you to also appendDOMString
objects, whereasNode.appendChild()
only acceptsNode
objects.ParentNode.append()
has no return value, whereasNode.appendChild()
returns the appendedNode
object.ParentNode.append()
can append several nodes and strings, whereasNode.appendChild()
can only append one node.
Syntax
// [Throws, Unscopable] ParentNode.append(...nodesOrDOMStrings) // returns undefined
Parameters
Exceptions
HierarchyRequestError
: Node cannot be inserted at the specified point in the hierarchy.
Examples
Appending an element
let parent = document.createElement("div") let p = document.createElement("p") parent.append(p) console.log(parent.childNodes) // NodeList [ <p> ]
Appending text
let parent = document.createElement("div") parent.append("Some text") console.log(parent.textContent) // "Some text"
Appending an element and text
let parent = document.createElement("div") let p = document.createElement("p") parent.append("Some text", p) console.log(parent.childNodes) // NodeList [ #text "Some text", <p> ]
ParentNode.append() is unscopable
The append()
method is not scoped into the with
statement. See Symbol.unscopables
for more information.
let parent = document.createElement("div") with(parent) { append("foo") } // ReferenceError: append is not defined
Polyfill
You can polyfill the append() method
in Internet Explorer 9 and higher with the following code:
// Source: https://github.com/jserz/js_piece/blob/master/DOM/ParentNode/append()/append().md (function (arr) { arr.forEach(function (item) { if (item.hasOwnProperty('append')) { return; } Object.defineProperty(item, 'append', { configurable: true, enumerable: true, writable: true, value: function append() { var argArr = Array.prototype.slice.call(arguments), docFrag = document.createDocumentFragment(); argArr.forEach(function (argItem) { var isNode = argItem instanceof Node; docFrag.appendChild(isNode ? argItem : document.createTextNode(String(argItem))); }); this.appendChild(docFrag); } }); }); })([Element.prototype, Document.prototype, DocumentFragment.prototype]);
Specification
Specification | Status | Comment |
---|---|---|
DOM The definition of 'ParentNode.append()' in that specification. |
Living Standard | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
append | Chrome Full support 54 | Edge Full support 17 | Firefox Full support 49 | IE No support No | Opera Full support 39 | Safari Full support 10 | WebView Android Full support 54 | Chrome Android Full support 54 | Firefox Android Full support 49 | Opera Android Full support 41 | Safari iOS Full support 10 | Samsung Internet Android Full support 6.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.