Replace each target element with the set of matched elements.
Selects all elements that are headers, like h1, h2, h3 and so on.
Add a callback or a collection of callbacks to a callback list.
Disable a callback list from doing anything more.
Holds or releases the execution of jQuery’s ready event.
Call all callbacks in a list with the given context and arguments.
Call all of the callbacks with the given arguments.
Remove all of the callbacks from a list.
Merge the contents of two arrays together into the first array.