What does (idle) mean in Google Chrome DevTools Profiler? - Stack Overflow

Probably it's obvious but I can't find an answer.. What's the exact meaning of idle in this case? Is there really nothing going on? Or just no JavaScript getting parsed/executed?

What are the best Chrome extension for developers? - Quora

Chrome DevTools Tips

Tutorial

Debugging Firefox Extension Workshop

Building Browser Extensions, PDF, Software Development

cpu usage - Determine which tab in Firefox is using CPU resources? - Super User

javascript - Inexplicit 'task' in Chrome Perfomance DevTools - Stack Overflow

cpu usage - Determine which tab in Firefox is using CPU resources? - Super User

What is included in Idle and Other times into Aggregated times pie-chart of timeline tab

Tons of idle time in Chrome performance profiler but still low framerate. How do I read these results? - Questions - three.js forum