JavaScript Tutorial
JavaScript setInterval(): Syntax, Uses and Examples
Table of Contents
- Introduction
- What is setInterval() in JavaScript?
- Key Features of JavaScript setInterval()
- How Does setInterval() Work in JavaScript?
- Canceling JavaScript setInterval()
- Passing Parameters to setInterval() in JavaScript
- Use Cases for setInterval()
- Practical Examples
- Common Mistakes with JS setInterval()
- Best Practices for JavaScript setInterval()
FAQs about JS setInterval()
setInterval() is used to execute a function repeatedly at specified time intervals, ideal for tasks like live clocks, animations, or periodic server updates.
You can stop an interval using clearInterval() with the interval ID returned by setInterval().
setInterval() is asynchronous, allowing other code to execute while the interval function is scheduled to run later.
Yes, you can pass arguments to the function executed by setInterval().
If the function takes longer than the delay to execute, the next interval waits until the function finishes before starting.
