Web/API/DOMRectReadOnly/bottom

This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.

The bottom read-only property of the DOMRectReadOnly interface returns the bottom coordinate value of the DOMRect. (Has the same value as y + height, or y if height is negative.)

Syntax

var recBottom = DOMRect.bottom;

Value

A double.

Specifications

Specification	Status	Comment
Geometry Interfaces Module Level 1The definition of 'bottom' in that specification.	Candidate Recommendation	Latest spec version is an ED.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
bottom	Chrome Full support 61	Edge Full support 79	Firefox Full support 31	IE No support No Notes' No support No Notes' Notes' Implemented on the proprietary ClientRect interface.	Opera Full support 48	Safari Full support 10.1	WebView Android Full support 61	Chrome Android Full support 61	Firefox Android Full support 31	Opera Android Full support 45	Safari iOS Full support 10.3	Samsung Internet Android Full support 8.0

Legend

Full support  

Full support

No support  

No support

See implementation notes.'

See implementation notes.

See also

• DOMRect

DOMRectReadOnly.bottom by Mozilla Contributors is licensed under CC-BY-SA 2.5.