Lesson 11: Events, User Interaction and Debugging in JavaScript
What makes a previously silent web page react when a button is pressed? Lesson 10 showed that JavaScript can select DOM elements and change them; event listeners add a trigger for responsive behaviour. The central idea is event-driven programming: the browser reports an occurrence, then JavaScript responds instead of repeatedly rerunning the whole programme while waiting.
This lesson just one in the category Introduction to JavaScript. To access this lesson you need to have a valid learner account, ask your parent to register you now.