You can also find Nilson on the SitePoint Forums as a mentor. Put it in a fiddle as well. To solve this, start the animation before setting the interval. Display the clock on the page, and stop the clock when it reaches zero. Returns undefined. a callback that is responsible for rendering the countdown timer. Whats that length? Based on the stroke-dasharray setting, I created the variable (placed on the line under the other const variable TIME_LIMIT). The purpose of the countdown timer is to urge customers to take actions such as buying products or services. Thanks, I really liked this article and learn from it a lot! Then I designed the webpage using the css code below. This syncs all of my clock objects to the second. driftless is a drop-in replacement for setInterval that mitigates drift. In head section it connects to the style.css using tag and in body section it connects to script.js file using