It makes it much easier than typing environment variables everytime.
Magecart hides payload in favicon EXIF via third-party scripts, bypassing static analysis and stealing checkout data at runtime.
Some Java applications’ requirements make integration with a scripting language necessary. For example, your users may need to write scripts that drive the application, extend it, or contain loops and ...
Techniques so absurdly simple, you'll curse all the code you wrote without them.