(classification )
beautiful,
more onmousemove 事件侦听鼠标指针位置，实现移动交互 (work hard onmousemove事件来做下拉菜单)
the webmaster said varmenu=document.getElementById，menu， expand the introduction varisOverMenu=false，侦听鼠标移动事件document.addEventListener，mousemove，function，event，检查鼠标指针是否位...。