JavaScript DOM MouseEvent property: relatedTarget
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The relatedTarget
property of MouseEvent
objects within the JavaScript
DOM (i.e.
events triggered by an action with the mouse) returns the element related to
the element that triggered the mouse event.
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
Try clicking on this box:
<p style="background-color: yellow; border: 2px solid black; width: 200px; height: 100px;"
onmousedown="myOnmousedown(event)"><br><br></p>
MouseEvent outcomes are:<br><br>
altKey: <b id="mouse1"></b><br>
button (usually 0 = left, 1 = middle, 2 = right): <b id="mouse2"></b><br>
buttons (usually sum of 1 = left, 2 = right, 4 = middle, 8 = back, 16 = forward):
<b id="mouse3"></b><br>
clientX: <b id="mouse4"></b><br>
clientY: <b id="mouse5"></b><br>
ctrlKey: <b id="mouse6"></b><br>
detail: <b id="mouse7"></b><br>
metaKey: <b id="mouse8"></b><br>
pageX: <b id="mouse9"></b><br>
pageY: <b id="mouse10"></b><br>
relatedTarget: <b id="mouse11"></b><br>
screenX: <b id="mouse12"></b><br>
screenY: <b id="mouse13"></b><br>
shiftKey: <b id="mouse14"></b><br>
which: <b id="mouse15"></b><br>
<script>
function myOnmousedown(event) {
document.getElementById("mouse1").innerHTML = event.altKey;
document.getElementById("mouse2").innerHTML = event.button;
document.getElementById("mouse3").innerHTML = event.buttons;
document.getElementById("mouse4").innerHTML = event.clientX;
document.getElementById("mouse5").innerHTML = event.clientY;
document.getElementById("mouse6").innerHTML = event.ctrlKey;
document.getElementById("mouse7").innerHTML = event.detail;
document.getElementById("mouse8").innerHTML = event.metaKey;
document.getElementById("mouse9").innerHTML = event.pageX;
document.getElementById("mouse10").innerHTML = event.pageY;
document.getElementById("mouse11").innerHTML = event.relatedTarget;
document.getElementById("mouse12").innerHTML = event.screenX;
document.getElementById("mouse13").innerHTML = event.screenY;
document.getElementById("mouse14").innerHTML = event.shiftKey;
document.getElementById("mouse15").innerHTML = event.which;
}
</script>
</body>
</html>
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