Code Examples and Conventions
The code examples in this book contain JavaScript, shell sessions, and a few HTML/XML excerpts. For the most part, code listings are provided in fullâready to be run at your leisure.
Samples and snippets are syntax-highlighted according to the rules of the language. Shell commands are prefixed by $.
When you write Node.js code, you should always handle errors and exceptions, even if you just rethrow them. Youâll learn how to do this throughout the book. However, some of the code examples lack error handling. This is to aid readability and save space, and sometimes to provide opportunities for reader tasks at the end of the chapter. In your code, you should always handle your errors.
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