W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript"> var i=0 txt=new Array("trailA","trailB","trailC") function cursor(interval) { pos=i*8+5 if (interval=='first') { i=0 } if (i==0) { xpos=event.clientX ypos=event.clientY document.all(txt[i]).style.visibility="visible" document.all(txt[i]).style.position="absolute" document.all(txt[i]).style.left=xpos+5 document.all(txt[i]).style.top=ypos+5 } else { document.all(txt[i]).style.visibility="visible" document.all(txt[i]).style.position="absolute" document.all(txt[i]).style.left=xpos+pos document.all(txt[i]).style.top=ypos+pos } if (i==txt.length) { i=i } else { i++ } setTimeout("cursor('next')",10) } </script> </head> <body onmousemove="cursor('first')"> <h1>请在页面上移动指针</h1> <span id="trailA" style="visibility:hidden">W</span> <span id="trailB" style="visibility:hidden">3</span> <span id="trailC" style="visibility:hidden">S</span> </body> </html>
查看结果: