The ParentNode mixin contains methods and properties that are common to all types of Node objects that can have children. It's implemented by Element, Document, and DocumentFragment objects.
ParentNode.children Read only
HTMLCollection containing all objects of type Element that are children of this ParentNode.ParentNode.firstElementChild Read only
Element that is the first child of this ParentNode, or null if there is none.ParentNode.lastElementChild Read only
Element that is the last child of this ParentNode, or null if there is none.ParentNode.childElementCount Read only
unsigned long giving the amount of children that the object has.ParentNode.append()
Node objects or DOMString objects after the last child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.ParentNode.prepend()
Node objects or DOMString objects before the first child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.ParentNode.querySelector()Element with the current element as root that matches the specified group of selectors.ParentNode.querySelectorAll()NodeList representing a list of elements with the current element as root that matches the specified group of selectors.| Specification | Status | Comment |
|---|---|---|
| DOM The definition of 'ParentNode' in that specification. | Living Standard | Split the ElementTraversal interface into ChildNode and ParentNode. The ParentNode.firstElementChild, ParentNode.lastElementChild, and ParentNode.childElementCount properties are now defined on the latter. Added the ParentNode.children property, and the ParentNode.querySelector(), ParentNode.querySelectorAll(), ParentNode.append(), and ParentNode.prepend() methods. |
| Element Traversal Specification The definition of 'ElementTraversal' in that specification. | Obsolete | Added the initial definition of its properties to the ElementTraversal pure interface and used it on Element. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Edge | Opera | Safari |
|---|---|---|---|---|---|---|
Basic support (on Element) | 1.0 | 3.5 (1.9.1) | 9.0 | (Yes) | 10.0 | 4.0 |
Support on Document and DocumentFragment
| 29.0 | 25 (25) | No support | ? | 16.0 | No support |
append() and prepend()
| 54.0 | 49 (49) | No support | No support | 39 | No support |
| Feature | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Edge | Opera Mobile | Safari Mobile | Chrome for Mobile |
|---|---|---|---|---|---|---|---|
Basic support (on Element) | (Yes) | 1.0 (1.9.1) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Support on Document and DocumentFragment
| (Yes) | 25.0 (25) | No support | ? | 16.0 | No support | (Yes) |
append() and prepend()
| ? | 49.0 (49) | No support | ? | 39 | No support | 54.0 |
ChildNode pure interface.
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https://developer.mozilla.org/en-US/docs/Web/API/ParentNode