coderef

setIntervalBaseline · Widely available

The setInterval() global function repeatedly executes provided code on a given delay, and the accompanying clearInterval() cancels the interval.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jul 29, 2015. Widely available since Jan 29, 2018.

Browser support

DesktopChrome
1–2Not supported
3+Supportedsince Sep 15, 2009
Current: 155
Edge
12+Supportedsince Jul 29, 2015
Current: 154
Firefox
1–3Not supported
3.5+Supportedsince Jun 30, 2009
Current: 157
Safari
1–3.1Not supported
4+Supportedsince Jun 8, 2009
Current: 27
MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155
Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157
Safari iOS
1–4.2Not supported
5+Supportedsince Oct 12, 2011
Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: clearInterval.

Feature detection

JS · check before using
if ("setInterval" in globalThis) {
  // setInterval is available
} else {
  // load a polyfill or use a fallback
}

Sub-features

Support for each part of the feature (5). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
clearInterval112111841
clearInterval.worker_support3123.541845
setInterval112111841
setInterval.supports_parameters_for_callback11211.21841
setInterval.worker_support3123.541845