clientYEvent Property

事件对象参考手册Event Object

Definition and Usage

The clientY event property returns the vertical coordinate of the mouse pointer relative to the browser page (client area) when the event is triggered. The client area refers to the current window.

Syntax

event.clientY


Example

Example

The following example shows the coordinates of the mouse pointer when the event occurs:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Example(example.com)</title>
<script>
function show_coords(event){
    var x=event.clientX;
    var y=event.clientY;
    alert("X coords: " + x + ", Y coords: " + y);
}
</script>
</head>
<body>

<p onmousedown="show_coords(event)">Please click in the document. A message box will show the x and y coordinates of the mouse pointer.</p>

</body>
</html>

Try it yourself »


事件对象参考手册Event Object Other Extensions