This article mainly introduces the usage of hierarchical selector in jQuery, and analyzes the differences between ancestordescendant and parent & gt; child in jQuery hierarchical selector in a simple example, for more information about how to use the hierarchical selector for getting started with jQuery, see the examples in this article. We will share this with you for your reference. The details are as follows:
Here is a brief introduction of the differences between ancestor descendant and parent> child in the jQuery hierarchy selector.
Parent> child: Match all child elements based on the parent element. hierarchies are parent-child relationships.
Ancestor descendant: matches all descendant elements based on the ancestor element. the hierarchy is the ancestor and descendant.
Write code and perform tests to better differentiate the differences between the two:
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