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https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/elementFromPoint
The elementFromPoint() method—available on both the Document and ShadowRoot objects—returns the topmost Element at the specified coordinates (relative to the viewport). ... Chrome Android Full support 53. Notes. Full support 53. Notes. Notes Before Chrome 66, this method returned null when the element was a child of a host node.
https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/elementsFromPoint
Mar 24, 2019 · Full support Experimental. Expect behavior to change in the future. Experimental. Expect behavior to change in the future. See implementation notes. See implementation notes. Uses a non-standard name. Uses a non-standard name. See Also. DocumentOrShadowRoot.elementFromPoint()
http://help.dottoro.com/ljctoqhf.php
Returns the element that is located at the specified coordinates. The coordinates need to be relative to the top-left corner of the browser window's client area. In old Opera (prior 10.5), Safari and Google Chrome versions, the coordinates need to be relative to …
https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/aa752576(v=vs.85)
For IHTMLDocument2::elementFromPoint to exhibit expected behavior, the object or element located at position (x, y) must support and respond to mouse events. See also Reference
Nov 04, 2019 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. FAQ
https://bugzilla.mozilla.org/show_bug.cgi?id=199692
I'm not sure on the specifics of elementFromPoint, but it should do the exact same calculation mouse events use to determine their target. For example, a click event is processed like this: 1) OS sends click event to browser 2) browser calculates the DOM element target (taking into account z-index, etc.) 3) event flow The method(s) responsible for step 2 must be available to …
https://support.microsoft.com/en-us/help/2462524/memory-leak-when-calling-automationelement-elementfrompoint-on-items-v
Nov 16, 2010 · There is a small memory leak when requesting an AutomationElement from the Items View object. If many such AutomationElements are acquired then the Items View may become slow over time.
https://stackoverflow.com/questions/2174640/hit-testing-svg-shapes
var el= document.elementFromPoint(x, y); will give you the highest-stacked element at a particular page-relative co-ordinate. You'll get the <svg> element if no shapes inside the SVG are hit. This is a non-standard Mozilla extension, but it works on WebKit as well.
https://stackoverflow.com/questions/22428484/get-element-from-point-when-you-have-overlapping-elements
As I think you already know, document.elementFromPoint(x, y); only returns the top-most element that overlaps that point. If what you're trying to do is find all elements that overlap with a given point, even elements behind other elements, then I'm not aware of …
https://docs.microsoft.com/en-us/previous-versions/office/developer/office-2003/aa220270(v=office.11)
The coordinates correspond to page coordinates (0,0 is the top-left corner of the page). For the elementFromPoint method to exhibit the expected behavior, the object or element located at position (x, y) must support and respond to mouse events. Example. The following example sets the active element using the elementFromPoint method.
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