Created
February 24, 2015 08:53
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动态favicon
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>动态favicon</title> | |
| <base href="http://www.web-tinker.com" /> | |
| <script> | |
| window.Promise|| | |
| document.write('<script src="/files/promise-1.0.0.min.js"><\/script>'); | |
| </script> | |
| <link rel="icon" type="image/x-icon" /> | |
| <script> | |
| var isFirefox=/Firefox/i.test(navigator.userAgent); | |
| Promise.all([0,1,2,3].map(function(e,i){ | |
| //加载所有所需的图片 | |
| return new Promise(function(resolve){ | |
| var img=new Image; | |
| img.onload=function(){resolve(img.src);}; | |
| img.src="/share/TuzkiKneadFaceFrameByFrameIco/"+i+".ico"; | |
| }); | |
| })).then(function(urls){ | |
| var favicon=document.querySelector("link[rel='icon']"); | |
| //将4个DataURL轮流设置到favicon上，间隔100ms | |
| (function callee(i){ | |
| favicon.setAttribute("href",urls[i]); | |
| if(isFirefox) //重新绑定link，否则Firefox不会更新 | |
| document.head.removeChild(favicon), | |
| document.head.appendChild(favicon); | |
| setTimeout(callee,100,++i%4); | |
| })(0); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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