Why is parentNode null?

Why is parentNode null?

The parentNode is read-only. The Document and DocumentFragment nodes do not have a parent, therefore the parentNode will always be null . If you create a new node but haven’t attached it to the DOM tree, the parentNode of that node will also be null .

Should I use parentElement or parentNode?

parentNode seems to be DOM standard, so it is safer always use it instead of parentElement.

What is the difference between parentElement and parentNode?

Parent Element returns null if the parent is not an element node, that is the main difference between parentElement and parentNode. In many cases one can use anyone of them, in most cases, they are the same.

What does parentNode mean in Javascript?

A Node that is the parent of the current node. The parent of an element is an Element node, a Document node, or a DocumentFragment node.

How do I get parentNode?

The parentNode property returns the parent node of the specified node, as a Node object. Note: In HTML, the document itself is the parent node of the HTML element, HEAD and BODY are child nodes of the HTML element. This property is read-only.

What is node in DOM?

Nodes are in the DOM aka Document Object model. In the DOM, all parts of the document, such as elements, attributes, text, etc. are organized in a hierarchical tree-like structure; consisting of parents and children. These individual parts of the document are known as nodes.

What is node in Dom?

How do I choose parent to child in CSS?

There is currently no way to select the parent of an element in CSS. If there was a way to do it, it would be in either of the current CSS selectors specs: Selectors Level 3 Spec.

Is parent node of all node?

Any subnode of a given node is called a child node, and the given node, in turn, is the child’s parent. Sibling nodes are nodes on the same hierarchical level under the same parent node.

How do I get old DOM elements?

See Whitespace in the DOM for more information. You can use previousElementSibling to get the previous element node (skipping text nodes and any other non-element nodes). To navigate the opposite way through the child nodes list use Node. nextSibling.

What is previousElementSibling?

The Element. previousElementSibling read-only property returns the Element immediately prior to the specified one in its parent’s children list, or null if the specified element is the first one in the list.