In JavaScript, it is common to send and receive JSON to servers. For example with the built in fetch() API. When doing so, you can automatically parse the response, as shown in Listing 7.

JSON scripts automatically execute in any webpage that's requested by a web browser. Consequently, they can be used to implement JavaScript insertion attacks against a web client, like a command ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential ...