In the last chapter, we talked about how to create a Web Component using vanilla JavaScript and HTML5. We discussed the specifications that are created in order to achieve the concept of Web Components. In this chapter, we will talk about life cycle events and the callback methods associated with them. A life cycle event is an event that occurs during the life cycle of a Web Component. This chapter deals with these events and how to access them with the help of callback methods.

In this chapter, we will cover the following topics:

• Overview of life cycle callback methods
• Life cycle callback methods currently available in Web Components