Viewport
| Content | |
| document.documentElement.clientWidth (No ScrollBar) | |
| document.documentElement.clientHeight (No TopBar, No DevTool) | |
| Browser | |
| window.innerWidth | |
| window.innerHeight (No TopBar, No DevTool) | |
| window.outerWidth | |
| window.outerHeight | |
| Device | |
| window.screen.width | |
| window.screen.height | |
| window.screen.availWidth | |
| window.screen.availHeight (No TopBar) | |
| window.screen.orientation | |
| window.screen.deviceXDPI (IE Only) | |
| window.devicePixelRatio | |