A timer for high-intensity interval training built with JavaScript and HTML/CSS.
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You can customize the length of your intervals and breaks (the default is 20 second intervals with 10 second breaks).
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You can pause and reset the timer.
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The background changes to cyan during rest and pink during the active interval.
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Use online at http://www.kellylougheed.com/hiit
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Clone this repo to your machine and open index.html in any web browser.