代码如下: <html> <head> [removed] var x; var y; function $(id) { return document.getElementById(id) } function mousedown() { x=event.clientX-$(“px”).style.pixelLeft; y=event.clientY-$(“px”).style.pixelTop; $(“px”).style.border=”2px solid red”; $(“px”).onmousemove = mousemove; } fun
