We've seen that a web page is composed of elements — headings, paragraphs of text, images, buttons, and so on — and that you can listen for events that happen to these elements. For example, you could add a listener to a button, and it will run when the user clicks the button....Skip to search Skip to select language Article Actions English (US)...(US) Remember language Deutsch Français 日本語 한국어 Português (do...