screenX
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screenX 事件属性
定义和用法
screenX 事件属性可返回事件发生时鼠标指针相对于屏幕的水平坐标。
语法
event.screenX
实例
下面的例子可显示出事件发生时鼠标指针的坐标:
var x=event.screenX
var y=event.screenY
alert("X coords: " + x + ", Y coords: " + y)
}
</script>
</head>
<body>
<p onmousedown="show_coords(event)">Click this paragraph, and an alert box will alert the x and y coordinates of the cursor.</p>
</body>
</html>
var y=event.screenY
alert("X coords: " + x + ", Y coords: " + y)
}
</script>
</head>
<body>
<p onmousedown="show_coords(event)">Click this paragraph, and an alert box will alert the x and y coordinates of the cursor.</p>
</body>
</html>