setInterval
The setInterval() method of the Window interface repeatedly calls a function or executes a code snippet, with a fixed time delay between each call.
Browser support
| Feature | Desktop | Mobile | ||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Chrome Android | Safari iOS | |
| 1 | 12 | 1 | 1 | 18 | 1 | |
| The clearInterval() method of the Window interface cancels a timed, repeating action which was previously established by a call to Window.setInterval. If the parameter provided does not identify a previously established action, this method does nothing. | 1 | 12 | 1 | 1 | 18 | 1 |
worker_support Available in workers | 3 | 12 | 3.5 | 4 | 18 | 5 |
worker_support Available in workers | 3 | 12 | 3.5 | 4 | 18 | 5 |
1+Supported (version) Not supported ※Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)
Syntax
JAVASCRIPT
setInterval(code)
setInterval(code, delay)
setInterval(func)
setInterval(func, delay)
setInterval(func, delay, param1)
setInterval(func, delay, param1, param2)
setInterval(func, delay, param1, param2, /* …, */ paramN)Use cases
-
Using setInterval
The setInterval() method of the Window interface repeatedly calls a function or executes a code snippet, with a fixed time delay between each call.
Cautions
- May not be supported in older browsers.
Implementation notes
- Some APIs require a secure context (HTTPS) or user activation. Check the requirements before use.