Grab the users screen-size/browser resolution

Question

在查看我的网页时（最好使用javaScript / jQuery或PHP）并输出结果时，我如何能够抓住用户的屏幕尺寸或浏览器分辨率（仅宽度）？

Answer 1

window.innerWidth will get you the browser width.

screen.width will get you the monitor's resolution.

Here's an example: http://jsbin.com/abomod/1/edit