Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Various common properties (padding, font size, font weight, color, background color, and more) are supported. Also, shorthand margin/padding works as well, that is, padding: 15 5."

A block of code is set as follows:

[default]
export class AppComponent {}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

[default]
public init() {
 const item = {};
 item.volume = 1;
 }

Any command-line input or output is written as follows:

 # tns run ios --emulator

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Running our app again, we now see the login prompt when we tap the Record button".