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