Overview

Students extend the My Favorite Things app to manage and display a collection of images instead of words. Students also learn to make the program respond to keys (left and right arrow) by using the "event" parameter that is created when an event is triggered.

Vocab

• Key Event - in JavaScript an event triggered by pressing or releasing a key on the keyboard. For example: "keyup" and "keydown" are event types you can specify. Use event.key - from the "event" parameter of the onEvent callback function - to figure out which key was pressed.

New Code

• onEvent(id, type, function(event)){ ... }
• playSound(url)
• setImageURL(id, url);