29 lines
643 B
JavaScript
29 lines
643 B
JavaScript
document.head = document.head || document.getElementsByTagName('head')[0];
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function changeFavicon(src) {
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var link = document.createElement('link'),
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oldLink = document.getElementById('dynamic-favicon');
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link.id = 'dynamic-favicon';
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link.rel = 'shortcut icon';
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link.href = src;
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if (oldLink) {
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document.head.removeChild(oldLink);
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}
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document.head.appendChild(link);
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}
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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async function loop() {
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while (true) {
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changeFavicon('/favicon.ico');
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await sleep(2000);
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changeFavicon('/favicon2.ico');
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await sleep(2000);
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}
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}
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loop();
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