lepu-test-platform-web/node_modules/caniuse-db/features-json/maxlength.json

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8.2 KiB
JSON

{
"title":"maxlength attribute for input and textarea elements",
"description":"Declares an upper bound on the number of characters the user can input. Normally the UI ignores attempts by the user to type in additional characters beyond this limit.",
"spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-maxlength",
"status":"ls",
"links":[
{
"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-maxlength",
"title":"MDN Web Docs - attribute maxlength"
}
],
"bugs":[
{
"description":"In Opera 12.1 & below `ValidityState.tooLong` is true when the input's initial value exceeds the maxlength. Per the spec, it should instead be false until the user edits the value."
}
],
"categories":[
"DOM",
"HTML5",
"JS API"
],
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"notes":"",
"notes_by_num":{
"1":"`<textarea>`'s' UI does not prevent the user from typing additional characters beyond the `maxlength` limit.",
"2":"Does not support the `HTMLTextAreaElement.maxLength` DOM property.",
"3":"Does not support [`ValidityState.tooLong`](https://developer.mozilla.org/en-US/docs/Web/API/ValidityState/tooLong). In some cases, this is because `.validity` is not supported in the first place.",
"4":"Does not support `ValidityState.tooLong` correctly in the (unlikely) case of the value being initially set too long, then changed by the user to a still incorrect state. See [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1203844) and [MS Edge bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/4678527/).",
"5":"`<input>`'s UI does not prevent the user from typing additional characters beyond the `maxlength` limit between two existing characters of the string.",
"6":"Allows text beyond maxlength to be entered at first, but removes all characters past the maxlength when focus is lost."
},
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"ucprefix":false,
"parent":"form-validation",
"keywords":"maximum,length,input,textarea,too,long,validity,state",
"ie_id":"",
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"webkit_id":"",
"shown":true
}