Created
November 18, 2013 09:01
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| * { | |
| box-sizing: border-box; | |
| margin: 0; | |
| padding: 20px; | |
| transition: background 800ms; | |
| } | |
| html { | |
| height: 100%; | |
| background: hsl(193, 66%, 55%); | |
| font: bold 40px helvetica, sans-serif; | |
| color: red; | |
| } | |
| body { | |
| height: 100%; | |
| background: hsl(193, 66%, 65%); | |
| } | |
| div { | |
| height: 100%; | |
| background: hsl(193, 66%, 75%); | |
| } | |
| ul { | |
| height: 100%; | |
| list-style: none; | |
| background: hsl(193, 66%, 85%); | |
| } | |
| li { | |
| height: 100%; | |
| background: hsl(193, 66%, 95%); | |
| } | |
| .highlight { | |
| background: red; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div class=""> | |
| <ul> | |
| <li>Click on a layer to watch the event move through the DOM tree.</li> | |
| </ul> | |
| </div> | |
| </body> | |
| </html> |
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| var html = document.documentElement; | |
| var body = document.body; | |
| var div = body.querySelector('div'); | |
| var ul = body.querySelector('ul'); | |
| var li = body.querySelector('li'); | |
| var pause = 200; | |
| // Capture | |
| html.addEventListener('click', callback, true); | |
| body.addEventListener('click', callback, true); | |
| div.addEventListener('click', callback, true); | |
| html.addEventListener('click', callback, true); | |
| ul.addEventListener('click', callback, true); | |
| li.addEventListener('click', callback, true); | |
| // Bubble | |
| html.addEventListener('click', callback, false); | |
| body.addEventListener('click', callback, false); | |
| div.addEventListener('click', callback, false); | |
| html.addEventListener('click', callback, false); | |
| ul.addEventListener('click', callback, false); | |
| li.addEventListener('click', callback, false); | |
| function callback(event) { | |
| var ms = event.timeout = (event.timeout + pause) || 0; | |
| var target = event.currentTarget; | |
| setTimeout(function() { | |
| target.classList.add('highlight'); | |
| setTimeout(function() { | |
| target.classList.remove('highlight'); | |
| }, pause); | |
| }, ms); | |
| } |
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