How to deal with jQuery $ (window). Resize () The method is executed several times in small problems

Introduction:

It is estimated that many comrades will encounter such a situation when writing the method of Browser resize ():

1. When dragging the corners of the browser, some of the effects in the page are triggered by changes in the size of the browser, and the process starts to the end, how many times are the methods in resize () executed?
2. jquery $ (window). Resize () and JavaScript window.onresize What's the difference?
3. When we double-click the browser's title toolbar, the window suddenly becomes larger or smaller, how many times is the method in resize () or window.onresize executed?
4. What do we do when we don't want the methods in resize () or window.onresize to be executed more than once?

With these questions, let's try it out in turn!

"Not finished"