To give you a brief introduction to the jquery tutorial, you need to know what a selector is. A selector is basically an HTML element or object which enables you to target an element or attribute within the page. A famous example of a CSS Selector is the “a” element in a CSS style sheet.
In the following part of the tutorial, the developers are taught how to handle event handling on the page. There are various functions that you can use with jq, and most of them are quite useful. One function that you may find interesting in the jQuery tutorial is the Event Helper. Basically, you will be able to create elements and change their attributes with just one click.