mousemove 是 [[Element]] 接口上的事件，继承自 [[MouseEvent]]，当鼠标移动时触发。
语法
addEventListener("mousemove", (event) => { })
onmousemove = (event) => { }mousemove 是 [[Element]] 接口上的事件，继承自 [[MouseEvent]]，当鼠标移动时触发。
addEventListener("mousemove", (event) => { })
onmousemove = (event) => { }