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@yblee85
Created September 23, 2015 21:48
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update favicon dynamically
function updateFavicon(faviconURL) {
var src = faviconURL;
var head_node = document.head || document.getElementsByTagName('head')[0];
var link = document.createElement('link'),
oldLink = document.getElementById('favicon');
link.id = 'favicon';
link.rel = 'shortcut icon';
link.href = src;
if (oldLink) {
head_node.removeChild(oldLink);
}
head_node.appendChild(link);
}
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