> Your browser sorted 50K Array without any crash or lagging, because your browser supports Web Worker. When you do a job with Web Worker, it's just like when y

> Your browser sorted 50K Array without any crash or lagging, because your browser supports Web Worker. When you do a job with Web Worker, it's just like when you run a program in another thread. Also you can see the animated progress bar while sorting. The text clearly explains that it's about not lagging or crashing, not about being faster.