JS之下拉菜单案例鼠标经过显示
作者:互联网
// 1. 获取元素 var nav = document.querySelector('.nav'); var lis = nav.children; //得到4个小li // 2.循环注册事件 for(var i=0;i<lis.length;i++){ lis[i].onmouseover = function(){ this.children[1].style.display = 'block'; } lis[i].onmouseout = function(){ this.children[1].style.display = 'none'; } }
标签:鼠标,下拉菜单,nav,querySelector,var,JS,children 来源: https://www.cnblogs.com/dxboot/p/16299882.html