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<!DOCTYPE html> <html> <head> <style> div { width: 200px; height: 100px; border: 1px solid black; } </style> </head> <body> <div onmousemove="myFunction(event)" onmouseout="clearCoor()"></div> <p>将鼠标悬停在上面的矩形上，并获取鼠标指针的坐标。</p> <p>当鼠标移到 div 上时，p 元素将显示鼠标指针的水平和垂直坐标，其值从 MouseEvent 对象的 clientX 和 clientY 属性返回。</p> <p id="demo"></p> <script> function myFunction(e) { var x = e.clientX; var y = e.clientY; var coor = "Coordinates: (" + x + "," + y + ")"; document.getElementById("demo").innerHTML = coor; } function clearCoor() { document.getElementById("demo").innerHTML = ""; } </script> </body> </html>