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perfnow

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0.1 kb window.performance.now high resolution timer polyfill with Date fallback

github.com/daniellmb/perfnow.js

daniellmb/perfnow.js

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/** * @file perfnow is a 0.1 kb window.performance.now high resolution timer polyfill with Date fallback * @author Daniel Lamb <dlamb.open.source@gmail.com> */ function perfnow(e){"performance"in e||(e.performance={});var o=e.performance;e.performance.now=o.now||o.mozNow||o.msNow||o.oNow||o.webkitNow||Date.now||function(){return(new Date).getTime()}}perfnow(self);