Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "We pass our previously created index.html as a template."

A block of code is set as follows:

state = {
  posts: posts
}

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

mkdir ~/graphbook
cd ~/graphbook

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "After doing so, click on Create."