These selectors are used to retrieve content that matches certain conditions, such as whether they contain certain content, whether they are visible/hidden, or whether they are in a certain position within their parent.
:contains('text'): select elements that contain specific text:parent: select elements have at least one child node (element or text):has(selector): select elements that contain at least one element that matches the selector:first-child: select elements that are the first child of their parents:last-of-type: select elements that are the last of their type among siblings:nth-child(): select elements that are the nth child of their parentThis is paragraph 1
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