_urjvzip -

In a massive application with thousands of files, two developers might both use the name active-button . A unique, generated ID ensures no two elements ever fight over the same instructions.

Most of the time, humans aren't writing these. They are generated by "compilers"—tools that translate high-level code into the most efficient version possible for a browser to read. The Bottom Line _urjvzip

You might wonder why a developer wouldn't just name something header-style instead of _urjvzip . In a massive application with thousands of files,