In general terms, An associated adaptable arrangement of metal connections utilized for affixing or securing items and pulling or supporting burdens is known as chaining.
In Jquery, Chaining means to connect multiple functions, events on selectors. Chaining permits us to run different jQuery methods (on the same element) inside a single statement. You can easily understand the concept of chaining through following sample codes :-
Sample code 1: Without Chaining
The main problem with this code is that for every statement, jQuery search for entire DOM and find the element and after that executes the attached function on it.