Created
December 23, 2011 02:49
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fooling around with css and js some more
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>untitled</title> | |
| <style> | |
| body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| div { | |
| background: #000; | |
| -webkit-box-sizing: border-box; | |
| -moz-box-sizing: border-box; | |
| box-sizing: border-box; | |
| color: #000; | |
| height: 25px; | |
| left: 0; | |
| position: absolute; | |
| top: 100px; | |
| width: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="btn"></div> | |
| <script> | |
| var b = document.getElementById('btn'), | |
| z = 0, | |
| f = true; | |
| var x = function() { | |
| var divW = b.offsetWidth; | |
| if (f && divW < document.body.offsetWidth) { | |
| z += 1; | |
| } else { | |
| f = false; | |
| b.style.left = 'auto'; | |
| b.style.right = 0; | |
| } | |
| if (!f && divW > 0) { | |
| z -= 1; | |
| } else { | |
| f = true; | |
| b.style.left = 0; | |
| b.style.right = 'auto'; | |
| } | |
| b.style.width = z + 'px'; | |
| } | |
| var y = setInterval(x, 10); | |
| </script> | |
| </body> | |
| </html> |
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