How to create a simple JavaScript Countdown Timer

This is a simple JavaScript countdown timer I have used many times in the past. This script works great when you need to display the time remaining for a specific activity and have it count down until that time is reached.

First, we’ll go over the basic stand-alone script. This script will count down the days, hours, minutes, and seconds until our target date and time and display that countdown in a div with id=’timer’. For our example the target date and time is December 31, 2050 17:00:00. Once we pass the target date and time the timer will display the literal text “Ended”.

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