Javascript timer countdown with seconds12/28/2023 ![]() You can place content into the targeted HTML elements with the innerHTML property.Īdd the following code to the if (t >= 0) block, below the time conversion calculations:ĭocument.getElementById("timer-days").innerHTML = days +ĭocument.getElementById("timer-hours").innerHTML= ("0" + hours).slice(-2) +ĭocument.getElementById("timer-mins").innerHTML= ("0" + mins).slice(-2) +ĭocument.getElementById("timer-secs").innerHTML= ("0" + secs).slice(-2) + The getElementById() method of the document object allows you to target the HTML elements you created in Step 1, respectively #timer-days, #timer-hours, #timer-mins, and #timer-secs. Now that you have all the data in the right format, you can output the timer to the screen. Remaining seconds: Get the remaining seconds and divide it by the number of milliseconds in a single second (1000). ![]() ![]() Remaining minutes: Get the remaining minutes and divide it by the number of milliseconds in a single minute (1000 * 60 = milliseconds * seconds).Remaining hours: Get the remainder of the previous calculation using the % remainder operator and divide it by the number of milliseconds in a single hour (1000 * 60 * 60 = milliseconds * seconds * minutes).Remaining days: Divide the UTC value by 1000 * 60 * 60 * 24 which is the number of milliseconds in a single day (milliseconds * seconds * minutes * hours).The rest of the calculations are as follows: Using the Math.floor() built-in JavaScript function, you can round down any float value to the nearest integer.
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