jQuery help filtering and finding children([expr])_jquery

children([expr])
Gets an element set containing all child elements of each element in the matched element set.
You can filter matching child elements through optional expressions. Note: parents() will find all ancestor elements, while children() will consider child elements but not all descendant elements.
Return value: jQuery
Parameters:
expr (String): (optional) Expression used to filter child elements.
Example:
Find every child element in a DIV.
HTML code:

Copy code The code is as follows:

Hello< /p>

Hello Again

And Again

jQuery code:

Copy code The code is as follows:

$("div").children()

Result:

Copy code The code is as follows:

Hello Again

Find the class .selected in each div.
HTML code:

Copy code The code is as follows:

Hello< ;/span>

Hello Again

And Again

jQuery code:

Copy code The code is as follows:

$("div").children(".selected")

Result:

Copy code The code is as follows:

Hello Again