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web api instance property

OverconstrainedError: constraint property

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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

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.