JavaScript Tutorial

The setInterval() function can be used to run code at specified time intervals, making it ideal for countdown timers.

Countdown Timer in JavaScript Using setInterval()

A countdown timer is widely used in web applications to track time remaining for events, product launches, online tests, or reminders. JavaScript provides multiple ways to create countdown timers that can be displayed on web pages and updated dynamically.
For example:
<ul>
<li dir="ltr" aria-level="1">
Countdown to an event happening in 10 minutes.
</li>
<li dir="ltr" aria-level="1">
Showing the remaining time for an offer expiration.
</li>
</ul>

This guide explains various methods to create a countdown timer in JavaScript, including dynamic updates and custom styling.

JavaScript Program to Create Countdown Timer (4 Ways)

HTML:

<pre class="language-javascript"><code>&lt;p id="countdown"&gt;&lt;/p&gt;</code></pre>

Displaying Countdown on Web Page in JavaScript

HTML:
<pre class="language-javascript"><code>&lt;p id="countdown-display"&gt;00:00&lt;/p&gt;
&lt;button onclick="startTimer()"&gt;Start&lt;/button&gt;
&lt;button onclick="pauseTimer()"&gt;Pause&lt;/button&gt;
&lt;button onclick="resetTimer()"&gt;Reset&lt;/button&gt;</code></pre>

Countdown Timer with Start, Pause, and Reset in JavaScript

A countdown can be set for a specific future date and time.

Countdown Time in JavaScript to a Specific Date and Time

JavaScript Program to Display Date and Time

JavaScript Program to Display Current Date (4 Ways)

Learn 4 easy ways to create a countdown timer in JavaScript. Check out our step-by-step JavaScript program to create countdown timers effectively!