jQuery 获取浏览器窗口宽度，包括滚动条
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Get browser window width including scrollbar
提问by user1995781
I tried to get browser window width with $(window).width();. On IE 10, it does return the full browser width, include the scroll bar. However, on Firefox and Chrome, both return the value without the scroll bar.
我试图用$(window).width();. 在 IE 10 上，它会返回完整的浏览器宽度，包括滚动条。但是，在 Firefox 和 Chrome 上，两者都返回没有滚动条的值。
How can I get the browser width include with the scroll bar together? Because I need the detected width to be exactly same as CSS.
如何将浏览器宽度包含在滚动条中？因为我需要检测到的宽度与 CSS 完全相同。
Thanks.
谢谢。
采纳答案by infidel
This will get the full Window's width:
这将获得整个窗口的宽度：
window.outerWidth
NOTE:jQuery's outerWidth()doesn't work on $(window)
注意：jQueryouterWidth()不起作用$(window)
回答by Jamie Thomas
The first answer was close, but upon further inspection it is a bit more complicated. The body.clientWidthis the width excluding the scrollbars. The window.outerWidthis the width including the scrollbars and other window elements like the window border. The window.innerWidthis the actual width of the window, including scrollbars, but not including the window border.
第一个答案很接近，但经过进一步检查，它有点复杂。的body.clientWidth是不包括滚动条的宽度。的window.outerWidth是包括滚动条和其他窗口元素，如窗口边界的宽度。该window.innerWidth是窗口，包括滚动条的实际宽度，但不包括窗口边框。
回答by minlare
window.innerWidthseems to be the correct answer when needed for responsive design
window.innerWidth在响应式设计需要时似乎是正确的答案
回答by Caleb Runion
window.innerWidthwill give the width of the HTML andthe scrollbar. This value is the value used for device width breakpoints when using media queries in CSS. Essentially, window.innerWidthis equal to the calculated CSS unit 100vw. However, window.outerWidthwill give you the width of the entire window.
window.innerWidth将给出 HTML和滚动条的宽度。此值是在 CSS 中使用媒体查询时用于设备宽度断点的值。本质上，window.innerWidth等于计算出的 CSS unit 100vw。但是，window.outerWidth会给你整个窗口的宽度。
For example, if you had Chrome's Dev Tools open insideof the browser, window.outerWidthwould be the width of the webpage + scroll bar + Chrome's Dev Tools inspector. While window.innerWidthwould return the width of just the webpage + scroll bar.
例如，如果您有Chrome的开发工具开放内部的浏览器，window.outerWidth将是网页+的宽度滚动条+ Chrome的开发者工具检查。虽然window.innerWidth会返回网页 + 滚动条的宽度。
