[英]jQuery Get top offset relative to a specific div
With jQuery, how would you find the offset position relative to a specific container? 使用jQuery,您如何找到相对于特定容器的偏移位置?
For example, you have this: 例如,你有这个:
<body style="padding:20px">
<div id="top-container" style="margin-top:20px">
<div id="one-level-container" style="margin-top:70px">
<div id="two-level-container" style="margin-top:120px">
<div id="ELEMENT" style="margin-top:10px">
</div>
</div>
</div>
</div>
</body>
(The padding and margin-top's are just there for examples.) (填充和边缘顶部就是例子。)
How would you check the position top of #ELEMENT to #top-container? 你如何检查#ELEMENT顶部的#top-container?
I've tried using jQuery's offset and position, but those don't seem to get the correct offset that I'm looking for. 我已经尝试过使用jQuery的偏移量和位置,但那些似乎没有得到我正在寻找的正确偏移量。
Use $.offset()
, for example 例如,使用
$.offset()
alert($("#ELEMENT").offset().top - $("#top-container").offset().top)
body { background: blue } div { padding: 20px } #top-container { background: green } #one-level-container { background: red } #two-level-container { background: black } #ELEMENT { background: orange }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <body style="padding:20px"> <div id="top-container" style="margin-top:20px"> <div id="one-level-container" style="margin-top:70px"> <div id="two-level-container" style="margin-top:120px"> <div id="ELEMENT" style="margin-top:10px"> </div> </div> </div> </div> </body>
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