validityState.tooLong

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只读 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 属性。

规范

规范	状态	注释
HTML 实时标准 The definition of 'ValidityState.tooLong' in that specification.	实时标准
HTML 5.1 The definition of 'ValidityState.tooLong' in that specification.	推荐
HTML5 The definition of 'ValidityState.tooLong' in that specification.	推荐

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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. 更新 GitHub 上的兼容性数据

	桌面						移动
	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 15	Edge 12 12 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 4 4 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 10	Opera 15	Safari 11	WebView Android 4	Chrome Android Yes	Firefox Android 64	Opera Android 14	Safari iOS 5	Samsung Internet Android Yes

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