toggleClass('open')
增加/刪除類'打開'的股利。當「開放」被添加到div時,div內的每個span元素將以不同的方式通過僞nth-child()
選擇器進行更改。爲#nav-icon3
完整的CSS是在這裏:
/* Icon 3 */
#nav-icon3 span:nth-child(1) {
top: 0px;
}
#nav-icon3 span:nth-child(2),#nav-icon3 span:nth-child(3) {
top: 18px;
}
#nav-icon3 span:nth-child(4) {
top: 36px;
}
#nav-icon3.open span:nth-child(1) {
top: 18px;
width: 0%;
left: 50%;
}
#nav-icon3.open span:nth-child(2) {
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
}
#nav-icon3.open span:nth-child(3) {
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
}
#nav-icon3.open span:nth-child(4) {
top: 18px;
width: 0%;
left: 50%;
}
的過渡上設置的在下面的代碼中的圖標內的所有span元素。您需要存在transition: .25s ease-in-out;
才能在所有子跨度元素上進行動畫。
#nav-icon1 span, #nav-icon3 span, #nav-icon4 span {
display: block;
position: absolute;
height: 9px;
width: 100%;
background: #d3531a;
border-radius: 9px;
opacity: 1;
left: 0;
-webkit-transform: rotate(0deg);
-moz-transform: rotate(0deg);
-o-transform: rotate(0deg);
transform: rotate(0deg);
-webkit-transition: .25s ease-in-out;
-moz-transition: .25s ease-in-out;
-o-transition: .25s ease-in-out;
transition: .25s ease-in-out;
}
非常全面的答案 – sova