Web platform features explorer

requestIdleCallback()

The requestIdleCallback() API queues a function that runs in idle browser time, either at the end of a frame or when the user is inactive. Also known as the background tasks API.

Status

Limited availability

Browser support (view on caniuse.com)

Baseline availability blocked since January 2020 by Safari (66 months)

Usage (according to Chrome Platform Status)

~42.435% of page loads. More data at chromestatus.