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

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


var recLeft = DOMRect.left;


A double.


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

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support No support

No support

No support

No support
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile Chrome for Android
Basic support No support (Yes) No support No support No support No support No support

See also

Document Tags and Contributors

Contributors to this page: rolfedh, chrisdavidmills
Last updated by: rolfedh,