How to find the parent tag in javascript

This article introduces the knowledge of "how to find the parent tag in javascript". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The way to find the parent tag in JS: 1, using the parentNode attribute, syntax "child element object [xss_clean]"; 2, with the help of parent () or parents () method in Jquery, syntax "child element object .parent ()" or "child element object .parent ()".

The operating environment of this tutorial: windows7 system, javascript1.8.5&&jquery2.1.1 version, Dell G3 computer.

The ways to find the parent element node are:

1. Native method-parentNode attribute

The parentNode property returns the parent of a node.

The element [xss_clean] / / returns the first parent node of the element

2. Jquery method (remember the guide package)

The element .parent () returns the first parent node of the element

The element .parents () returns an array containing all the parent nodes of the element

Here is an example:

/ / the native method document.getElementById ('a') [xss_clean] / / get the node / / you can also play document.getElementById ('a') [xss_clean] [xss_clean] / / the way to get the node / / Jquery remember to import the package $('# a'). Parent (); / / get the node $('# a'). Parent (). Parent () / / get the node $('# a'). Parents (); / get all the parent nodes, $('# a'). Parents ('body'); / / get the node "how to find the parent tag in javascript". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!