JavaScript/jQuery: How to get the x-y coordinates of an element

I need to be able to center a dynamically-generated HTML element within a container that has both vertical and horizontal scrollbars. In this pursuit, I need to be able to get the container and target element's width and height (which I know how to do), and the target element's x-y coordinates. But when I try to access the target element's 'left' and 'top' properties, I get 'auto':

<!DOCTYPE html>
<script src="//"></script>
    $(function() {
        var cell = $("#cell");
        console.log(cell.css("left")); // returns 'auto'
        console.log(cell.css("top")); // returns 'auto'

        <tr><td><div id="cell">A Cell</div></td></tr>

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Can anyone please show me how to get the 'left/top' or x/y coordinates of an HTML element? Thanks.
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Tom BeckCommented:
Try this:
$(function() {
        var cell = $("#cell").position();
        console.log(cell.left); // returns a float
        console.log(; // returns a float

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elepilAuthor Commented:
Thank you, Tom!
Tom BeckCommented:
You're welcome. Thanks for the points.
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