UX Design for Mobile

Types

The variables you define in your prototype will be able to contain different kinds of information. In CoffeeScript, we find different types of data with which we can work. These are common to many programming languages. In this chapter, we will also need to talk about numbers, strings, booleans, arrays, and objects:

• Numbers capture numerical values, such as 2, 100, and -250.
• Strings define textual information, and they are expressed in quotation marks, such as "welcome to your app".
• Booleans are logical binary values; they will take the value of TRUE or FALSE. They are useful for describing logic conditions to guide decisions in the behavior of your prototype.
• Arrays are collections of values, such as [3,5,2,9] or ["London", "Paris", ...