Use the jquery prev () method to find the first element of the same level, jqueryprev

Use the jquery prev () method to find the first element of the same level, jqueryprev

Retrieve each section and find the first compatriot element of the class "selected:

$ ("P"). prev (". selected ")

The. prev () method allows us to search for the first compatriot element of these elements in the DOM tree and construct a new jQuery object with matching elements.

The. prev () method finds the first element at the same level of the current element.

Jquery prev () method

$ ("P") is an array
Therefore, the returned result is an array.
The first one does not
The second one has
So it is [<div> <span> Hello Again </span> </div>]

[] Is an array

Jquery selector problem: how to obtain the first element containing a div following the element of the same level

<Input/> <span> <a> </a> <span> <div> </div>

$ ("Input"). nextAll ('div '). eq (0 );

Do not use css selectors.