374 lines
7.5 KiB
JSON
374 lines
7.5 KiB
JSON
{
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"title":"maxlength attribute for input and textarea elements",
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"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.",
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"spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-maxlength",
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"status":"ls",
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"links":[
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{
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"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-maxlength",
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"title":"MDN Web Docs - attribute maxlength"
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}
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],
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"bugs":[
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{
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"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."
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}
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],
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"categories":[
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"DOM",
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"HTML5",
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"JS API"
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],
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"stats":{
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},
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"8.2":"y #6",
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},
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"1.2":"y"
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},
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},
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"kaios":{
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"2.5":"y #4"
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}
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},
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"notes":"",
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"notes_by_num":{
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"1":"`<textarea>`'s' UI does not prevent the user from typing additional characters beyond the `maxlength` limit.",
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"2":"Does not support the `HTMLTextAreaElement.maxLength` DOM property.",
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"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.",
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"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/).",
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"5":"`<input>`'s UI does not prevent the user from typing additional characters beyond the `maxlength` limit between two existing characters of the string.",
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"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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},
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"usage_perc_y":97.17,
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"usage_perc_a":1.95,
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"ucprefix":false,
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"parent":"form-validation",
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"keywords":"maximum,length,input,textarea,too,long,validity,state",
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"ie_id":"",
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"chrome_id":"",
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"firefox_id":"",
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"webkit_id":"",
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"shown":true
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}
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