Animate Details Element
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <!-- main --> | |
| <details> | |
| <summary>Click me!</summary> | |
| <section>Now you see me!</section> | |
| </details> | |
| <!-- /main --> | |
| <script src="script.js"></script> | |
| </body | |
| </html> |
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| //jQuery needed | |
| $('details').on("click",function(e){ | |
| e.preventDefault();//阻止 details 直接显示内容 | |
| if(!$(this).attr('open')){ | |
| $(this).attr('open',''); | |
| }else{ | |
| $(this).addClass('closing'); | |
| setTimeout(() => { | |
| $(this).removeClass('closing'); | |
| $(this).removeAttr('open'); | |
| }, 300); | |
| } | |
| }); |
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| details summary { | |
| list-style-type: none | |
| } | |
| details summary::-webkit-details-marker { | |
| display: none | |
| } | |
| details summary::before { | |
| content: '+'; | |
| transition: transform .3s; | |
| margin-right: .5em; | |
| display: inline-block /* 必须是块级元素才能够旋转 */ | |
| } | |
| details[open]:not(.closing) summary::before { | |
| transform: rotate(45deg) | |
| } | |
| details[open] summary ~ * { | |
| animation: sweepIn .3s ease-in-out; | |
| } | |
| @keyframes sweepIn { | |
| 0% {opacity: 0; transform: translateY(-10px); margin-bottom: -10px} | |
| 100% {opacity: 1; transform: translateY(0)} | |
| } | |
| details.closing section { | |
| animation: sweepOut .3s ease-in-out; | |
| } | |
| @keyframes sweepOut { | |
| 0% {opacity: 1; transform: translateY(0);} | |
| 100% {opacity: 0; transform: translateY(-10px); margin-bottom: -1.5em} | |
| } |
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