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                screenX與screenY 坐標原點從電腦或者手機屏幕左上角為0點。 pageX與pageY 概述:它們是事件對象屬性,主要作用也是獲取鼠標位置。是網頁主題部分左上角為0點 clientX與clinetY 概述:主要作用,獲取鼠標位置,是網頁可視區部分左上角為0點。 offsetX與offsetY 概述:他們兩者也是事件對象屬性,他們主要作用也是獲取鼠標位置,類似于pageX與pageY,但是這個獲取數據0點,會受到子元素坐標體系的影響。(鼠標放到子元素上,那么0點就在子元素左上角) 語法: ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> *{ padding: 0; margin: 0; } div{ width: 400px; height:150px; background-color: brown; margin: 100px auto; } </style> </head> <body> <div id="y"></div> </body> </html> <script type="text/javascript"> var div=document.getElementById("y"); document.onmousemove=function(event){ var a=event||window.event; //兼容低版本瀏覽器 div.innerHTML="screenX"+a.screenX+"screenY"+a.screenY+"<br/>"; div.innerHTML+="pageX"+a.pageX+"pageY"+a.pageY+"<br/>"; div.innerHTML+="clientX"+a.clientX+"clientY"+a.clientY+"<br/>"; div.innerHTML+="offsetX"+a.offsetX+"offsetY"+a.offsetY+"<br/>"; } </script> ```
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