鼠标悬浮显示二级菜单效果的jquery实现_jquery
程序员文章站
2022-03-12 09:06:56
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1.布局:
2.js控制:
function dropMenu(obj) { $(obj).each(function () { var theSpan = $(this); var theMenu = theSpan.find(".drop"); var tarHeight = theMenu.height(); theMenu.css({ height: 0, opacity: 0 }); var t1; function expand() { clearTimeout(t1); //theSpan.find('a').addClass("selected"); theMenu.stop().show().animate({ height: tarHeight, opacity: 1 }, 200); } function collapse() { clearTimeout(t1); t1 = setTimeout(function () { // theSpan.find('a').removeClass("selected"); theMenu.stop().animate({ height: 0, opacity: 0 }, 200, function () { $(this).css({ display: "none" }); }); }, 250); } theSpan.hover(expand, collapse); theMenu.hover(expand, collapse); }); }
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