jQuery div 相对于窗口的位置？
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Position of a div relative to the window?
提问by wesbos
Trying to find the position of a div, relative to the window. I've got a horizontal div and I want to get the left value relative to the window. So If I scroll the second div to the left of the window, it will read "0".
试图找到一个 div 相对于窗口的位置。我有一个水平 div，我想获得相对于窗口的左值。因此，如果我将第二个 div 滚动到窗口左侧，它将显示为“0”。
Not sure if this is possible without a parent div. Here is my fiddle: http://jsfiddle.net/FSrye/
不确定在没有父 div 的情况下这是否可行。这是我的小提琴：http: //jsfiddle.net/FSrye/
edit: it should function like this without a parent div.
编辑：它应该像这样在没有父 div 的情况下运行。
回答by tvanfosson
Try calculating it as a function of the position of the element relative to the scroll position of the window: http://jsfiddle.net/va836/
尝试将其计算为元素相对于窗口滚动位置的位置的函数：http: //jsfiddle.net/va836/
var position = $('selector').position().left - $(window).scrollLeft();
You might also have to factor in the position relative to other elements if it's not a top level element.
如果它不是顶级元素，您可能还需要考虑相对于其他元素的位置。
Actually, it's even easier -- just use offset()and omit the calculation of the parents.
实际上，它更容易——只需使用offset()并省略父母的计算。
var position = $('selector').offset().left - $(window).scrollLeft();
回答by Paul Sham
I think you can use scrollLeft()on the window to get the horizontal scroll amount.
我认为您可以scrollLeft()在窗口上使用来获取水平滚动量。
