The first and last parameters are used to select the first or last of the items selected with jQuery. These parameters are useful for selecting the item in a specific order among the items returned as a result of a selection.

In this example, there is a button and an empty div element in an HTML document. When you click the button using jQuery, we first set the text in $("#result") to "Button clicked!". Then, using the setTimeout function, after 2 seconds (2000 millisecon[...]

In this example, you will learn how to get the ID of each of the 5 checkboxes placed in an HTML div using jQuery.