Web/API/ValidityState/tooLong

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The read-only tooLong property of a ValidityState object indicates if the value of an <input> or <textarea>, after having been edited by the user, exceeds the maximum code-unit length established by the element's maxlength attribute.

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'ValidityState.tooLong' in that specification.	Living Standard
HTML 5.1The definition of 'ValidityState.tooLong' in that specification.	Recommendation
HTML5The definition of 'ValidityState.tooLong' in that specification.	Recommendation

Browser compatibility

The compatibility table in 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
tooLong	Chrome Full support 15	Edge Full support 12 Notes' Full support 12 Notes' Notes' Not supported in the unlikely case of the value being initially set too long, and then changed by the user to a still incorrect state. Per caniuse.com.	Firefox Full support 4 Notes' Full support 4 Notes' Notes' Not supported in the unlikely case of the value being initially set too long, and then changed by the user to a still incorrect state. Per caniuse.com.	IE Full support 10	Opera Full support 15	Safari Full support 11	WebView Android Full support 4	Chrome Android Full support Yes	Firefox Android Full support 64	Opera Android Full support 14	Safari iOS Full support 5	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

See implementation notes.'

See implementation notes.

See also

• Constraint validation
• Forms: Data form validation

validityState.tooLong by Mozilla Contributors is licensed under CC-BY-SA 2.5.