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overscroll-behavior-y

The overscroll-behavior-y CSS property sets the browser's behavior when the vertical boundary of a scrolling area is reached.

Note: See overscroll-behavior for a full explanation.

/* Keyword values */
overscroll-behavior: auto; /* default */
overscroll-behavior: contain;
overscroll-behavior: none;

/* Global values */
overflow: inherit;
overflow: initial;
overflow: unset;

Initial value	`auto`
Applies to	non-replaced block-level elements and non-replaced inline-block elements
Inherited	no
Media	visual
Computed value	as specified
Animation type	discrete
Canonical order	the unique non-ambiguous order defined by the formal grammar

Syntax

The overscroll-behavior-y property is specified as a keyword chosen from the list of values below.

Values

auto: The default scroll overflow behavior occurs as normal.
contain: Default scroll overflow behavior is observed inside the element this value is set on (e.g. "bounce" effects or refreshes), but no scroll chaining occurs to neighbouring scrolling areas, e.g. underlying elements will not scroll.
none: No scroll chaining occurs to neighbouring scrolling areas, and default scroll overflow behavior is prevented.

Formal syntax

contain | none | auto

Examples

.messages {
  height: 220px;
  overflow: auto;
  overscroll-behavior-y: contain;
}

See overscroll-behavior for a full example and explanation.

Specifications

Specification	Status	Comment
Unknown The definition of 'overscroll-behavior-y' in that specification.	Unknown

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	63	18 18 Currently the `none` value incorrectly behaves as `contain` (allowing for the elastic bounce effect).	59	No	50	No

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	63	63	No	59	50	No	No