Web platform features explorer

Imperative slot assignment

Newly available since 2023-03-27
Tags: api Groups: Web Components

The assign() method for <slot> elements assigns nodes to the slot, as an alternative to using the slot and name HTML attributes. The nodes must be children of a shadow host and the shadow root must be created with the slotAssignment set to "manual". Also known as manual slot assignment.

Learning resources on MDN

Browser support

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.

Specifications