Constraint validation API

baseline logo Widely available

Methods that validate form controls before submission, such as checkValidity(), reportValidity() and setCustomValidity().

WKWebView

macOS

*

iOS

10.3

iPadOS

*

Android WebView

Android

67

WebView2

Windows

*

Chrome Browser

Android

40

Safari Browser

iOS

10.3

Notes

Support data provided by: BCD logo

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This feature was documented on December 11, 2018.