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.
validityState: tooLong property
Specifications
| Specification |
|---|
| HTML Standard # dom-validitystate-toolong-dev |
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 | |
tooLong |
4 |
12Not 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. |
4Not 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. |
10 | 12.1 | 5 | 4 | 18 | 64 | 12.1 | 5 | 1.0 |
See also
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https://developer.mozilla.org/en-US/docs/Web/API/ValidityState/tooLong