The andSelf( ) is an inbuilt method in jQuery which is used to add the previous set of elements to the current set. This method adds previous DOM tree elements to the current set and maintains them in the internal stack which will take care of changes to the matched set of elements. Document Object Model(DOM) is a World Wide Web Consortium standard. This defines for accessing elements in the DOM tree.
Parameters: It does not accept any parameter.
Return Value: It returns all added element against the specified selector.
jQuery code to show the working of andSelf( ) method:
Here border would be added to previous selection which is a division and then second selection which is paragraphs.