https://blog.csdn.net/u012604745/article/details/80642015?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTR Read More
if(!$(this).hasClass("subdrop")) { // hide any open menus and remove all other classes $("ul",$(this).parents("ul:first")).slideUp(350); $("a",$(this) Read More