dom / latest / overconstrainederror / constraint.html /

OverconstrainedError.constraint

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

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

The constraint read-only property of the OverconstrainedError interface returns the constraint that was supplied in the constructor, meaning the constraint that was not satisfied.

Value

A String

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
constraint
63
79
No
No
50
11.1
63
63
No
46
11.3
8.0

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/OverconstrainedError/constraint