js code to make the CPU dance in the task manager_javascript tips

I previously saw an article about controlling the CPU usage in the Task Manager in the book "The Beauty of Programming". It feels very interesting. Always wanted to do it myself. But my level in C language is limited. Therefore, you cannot directly use the found code to practice this process.
But I have been using javascript a lot recently, so I thought of using javascript to implement it. The result is not bad. The code is below. Just create an html file on your desktop, put the code in it, and open it with a browser to view it. Because the machine I am using is dual-core, the effect is not very good. I hope someone can help me improve this program.

Copy code The code is as follows:

If you want to get the CPU near-flat curve, you can
Task Manager->Performance ,->Resource Monitor View