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How does jquery know where the mouse stays?

青灯夜游
青灯夜游Original
2022-05-23 16:49:431791browse

Method: 1. Use the "$(document).mousemove(function(e){})" statement to add the mouse movement event on the web page, and set the processing function; 2. In the processing function, use " e.pageX" and "e.pageY" statements can dynamically obtain the X and Y axis coordinates of the mouse rest position.

How does jquery know where the mouse stays?

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

In jquery, you can get the position where the mouse stays through the "pageX" and "pageY" attributes.

  • The pageX property is the position of the mouse pointer, relative to the left edge of the document.

  • The pageY property is the position of the mouse pointer, relative to the top edge of the document.

That is: the value that will be returned is the position of the mouse on the X-axis and Y-axis.

However, simply using the "pageX" and "pageY" attributes to obtain static positions can be used with mousemove() to obtain dynamic coordinates.

Example: 

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script type="text/javascript">
			$(document).ready(function() {
				$(document).mousemove(function(e) {
					$("span").text("X: " + e.pageX + ", Y: " + e.pageY);
				});
			});
		</script>
	</head>
	<body>
		<p>鼠标指针位于： <span></span></p>
	</body>
</html>

How does jquery know where the mouse stays?

[Recommended learning: jQuery video tutorial, web front-end video 】

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