The scrollX attribute in JavaScript has the same effect as the pageXoffset attribute. If you want to get the pixel to which the document is scrolled from the upper left corner of the window, use the scrollX property of horizontal pixels.
You can try running the following code to learn how to use the scrollX property in JavaScript.
<!DOCTYPE html>
<html>
<head>
<style>
div {
background-color: yellow;
height: 1500px;
width: 1500px;
}
</style>
</head>
<body>
<script>
function scrollFunc() {
window.scrollBy(200, 200);
alert("Horizontal: " + window.scrollX);
}
</script>
<button onclick = "scrollFunc()" style = "position:fixed;">Scroll</button>
<br><br><br>
<div>
</div>
</body>
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