JQuery or JavaScript gets the width and height of the webpage.

I recently used JQery or JavaScript to retrieve the width or height of a webpage. After searching for N on the Internet for a long time, I found that many of them were pasted and I didn't provide a detailed description, here, I will give a detailed introduction to some frequently used attributes and methods for obtaining the width of a page, so that you can better understand them.

JavaScript to retrieve webpage width and height

Document. body. scrollTop: Get the volume height of the webpage. (the top part of the window arrives at the top of the current window, not just the top part of the div. As shown in, the volume part contains the upper border of the div to the upper border of the window)