JavaScript Window property: screenLeft
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The screenLeft property (of the JavaScript
BOM window object) returns
the horizontal coordinate of window relative to screen.
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body onresize="myOnresize()">
try moving window and then resizing it
<br><br>
Window page offset: <b id="pageOffset"></b><br>
Window scroll: <b id="scroll"></b><br>
Window screen (Left|Top|X|Y): <b id="screen"></b><br>
<script>
function myOnresize() {
var x = window.pageXOffset;
var y = window.pageYOffset;
document.getElementById("pageOffset").innerHTML =
x + " x " + y;
x = window.scrollX;
y = window.scrollY;
document.getElementById("scroll").innerHTML =
x + " x " + y;
document.getElementById("screen").innerHTML =
window.screenLeft + "|" +
window.screenTop + "|" +
window.screenX + "|" +
window.screenY;
}
</script>
</body>
</html>
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