JS实现窗口加载时模拟鼠标移动的方法

function judge(){
alert("mousemove");
 document.onmousemove = null;//撤销鼠标移动模拟
}
function simulateMouseMove(){//模拟鼠标移动
 document.onmousemove = judge; 
}
window.onload=simulateMouseMove;//窗口加载