Contents
Why is parentElement null?
parentElement; The HTML element (document. documentElement) doesn’t have a parent that is an element, it is a node, therefore, the parent element is null.
Why does Queryselector return null?
An Element object representing the first element in the document that matches the specified set of CSS selectors, or null is returned if there are no matches. If you need a list of all elements matching the specified selectors, you should use querySelectorAll() instead.
Why is parentNode null?
Document and DocumentFragment nodes can never have a parent, so parentNode will always return null . It also returns null if the node has just been created and is not yet attached to the tree.
Should I use parentElement or parentNode?
The only difference comes when a node’s parentNode is not an element. If so, parentElement is null . Since the element ( document. documentElement ) doesn’t have a parent that is an element, parentElement is null .
What is parent element in html?
A parent is an element that is directly above and connected to an element in the document tree. In the diagram below, the is a parent to the
- . A child is an element that is directly below and connected to an element in the document tree.
What is 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.
Why is parentelement of NULL NULL in chrome?
The error given by Chrome is Uncaught TypeError: Cannot read Property ‘parentElement’ of null. I’d appreciate help in understanding why it is null. Thanks. You’re removing the image with that ID, and then next time your code comes through it can’t find any image with that ID.
How to use the parentelement property in HTML?
HTML DOM parentElement Property 1 Definition and Usage. The parentElement property returns the parent element of the specified element. 2 Browser Support. The numbers in the table specify the first browser version that fully supports the property. 3 Syntax 4 Technical Details 5 More Examples
Which is the parent element of a node?
The Node.parentElement read-only property returns the DOM node’s parent Element, or null if the node either has no parent, or its parent isn’t a DOM Element. Syntax. parentElement is the parent element of the current node. This is always a DOM Element object, or null.
Which is the parent element of the element?
The parentElement property returns the parent element of the specified element. In most cases, it does not matter which property you use, however, parentNode is probably the most popular. This property is read-only.