413 lines
8.2 KiB
JSON
413 lines
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"
|
|
],
|
|
"stats":{
|
|
"ie":{
|
|
"5.5":"u",
|
|
"6":"a #1 #2 #3",
|
|
"7":"a #1 #2 #3",
|
|
"8":"a #1 #2 #3",
|
|
"9":"a #1 #2 #3",
|
|
"10":"y",
|
|
"11":"y"
|
|
},
|
|
"edge":{
|
|
"12":"y #4",
|
|
"13":"y #4",
|
|
"14":"y #4",
|
|
"15":"y #4",
|
|
"16":"y #4",
|
|
"17":"y #4",
|
|
"18":"y #4",
|
|
"79":"y",
|
|
"80":"y",
|
|
"81":"y",
|
|
"83":"y",
|
|
"84":"y"
|
|
},
|
|
"firefox":{
|
|
"2":"a #1 #2 #3",
|
|
"3":"a #1 #2 #3",
|
|
"3.5":"a #1 #2 #3",
|
|
"3.6":"a #1 #2 #3",
|
|
"4":"y #4",
|
|
"5":"y #4",
|
|
"6":"y #4",
|
|
"7":"y #4",
|
|
"8":"y #4",
|
|
"9":"y #4",
|
|
"10":"y #4",
|
|
"11":"y #4",
|
|
"12":"y #4",
|
|
"13":"y #4",
|
|
"14":"y #4",
|
|
"15":"y #4",
|
|
"16":"y #4",
|
|
"17":"y #4",
|
|
"18":"y #4",
|
|
"19":"y #4",
|
|
"20":"y #4",
|
|
"21":"y #4",
|
|
"22":"y #4",
|
|
"23":"y #4",
|
|
"24":"y #4",
|
|
"25":"y #4",
|
|
"26":"y #4",
|
|
"27":"y #4",
|
|
"28":"y #4",
|
|
"29":"y #4",
|
|
"30":"y #4",
|
|
"31":"y #4",
|
|
"32":"y #4",
|
|
"33":"y #4",
|
|
"34":"y #4",
|
|
"35":"y #4",
|
|
"36":"y #4",
|
|
"37":"y #4",
|
|
"38":"y #4",
|
|
"39":"y #4",
|
|
"40":"y #4",
|
|
"41":"y #4",
|
|
"42":"y #4",
|
|
"43":"y #4",
|
|
"44":"y #4",
|
|
"45":"y #4",
|
|
"46":"y #4",
|
|
"47":"y #4",
|
|
"48":"y #4",
|
|
"49":"y #4",
|
|
"50":"y #4",
|
|
"51":"y",
|
|
"52":"y",
|
|
"53":"y",
|
|
"54":"y",
|
|
"55":"y",
|
|
"56":"y",
|
|
"57":"y",
|
|
"58":"y",
|
|
"59":"y",
|
|
"60":"y",
|
|
"61":"y",
|
|
"62":"y",
|
|
"63":"y",
|
|
"64":"y",
|
|
"65":"y",
|
|
"66":"y",
|
|
"67":"y",
|
|
"68":"y",
|
|
"69":"y",
|
|
"70":"y",
|
|
"71":"y",
|
|
"72":"y",
|
|
"73":"y",
|
|
"74":"y",
|
|
"75":"y",
|
|
"76":"y",
|
|
"77":"y",
|
|
"78":"y",
|
|
"79":"y",
|
|
"80":"y",
|
|
"81":"y",
|
|
"82":"y"
|
|
},
|
|
"chrome":{
|
|
"4":"y",
|
|
"5":"y",
|
|
"6":"y",
|
|
"7":"y",
|
|
"8":"y",
|
|
"9":"y",
|
|
"10":"y",
|
|
"11":"y",
|
|
"12":"y",
|
|
"13":"y",
|
|
"14":"y",
|
|
"15":"y",
|
|
"16":"y",
|
|
"17":"y",
|
|
"18":"y",
|
|
"19":"y",
|
|
"20":"y",
|
|
"21":"y",
|
|
"22":"y",
|
|
"23":"y",
|
|
"24":"y",
|
|
"25":"y",
|
|
"26":"y",
|
|
"27":"y",
|
|
"28":"y",
|
|
"29":"y",
|
|
"30":"y",
|
|
"31":"y",
|
|
"32":"y",
|
|
"33":"y",
|
|
"34":"y",
|
|
"35":"y",
|
|
"36":"y",
|
|
"37":"y",
|
|
"38":"y",
|
|
"39":"y",
|
|
"40":"y",
|
|
"41":"y",
|
|
"42":"y",
|
|
"43":"y",
|
|
"44":"y",
|
|
"45":"y",
|
|
"46":"y",
|
|
"47":"y",
|
|
"48":"y",
|
|
"49":"y",
|
|
"50":"y",
|
|
"51":"y",
|
|
"52":"y",
|
|
"53":"y",
|
|
"54":"y",
|
|
"55":"y",
|
|
"56":"y",
|
|
"57":"y",
|
|
"58":"y",
|
|
"59":"y",
|
|
"60":"y",
|
|
"61":"y",
|
|
"62":"y",
|
|
"63":"y",
|
|
"64":"y",
|
|
"65":"y",
|
|
"66":"y",
|
|
"67":"y",
|
|
"68":"y",
|
|
"69":"y",
|
|
"70":"y",
|
|
"71":"y",
|
|
"72":"y",
|
|
"73":"y",
|
|
"74":"y",
|
|
"75":"y",
|
|
"76":"y",
|
|
"77":"y",
|
|
"78":"y",
|
|
"79":"y",
|
|
"80":"y",
|
|
"81":"y",
|
|
"83":"y",
|
|
"84":"y",
|
|
"85":"y",
|
|
"86":"y",
|
|
"87":"y",
|
|
"88":"y"
|
|
},
|
|
"safari":{
|
|
"3.1":"u",
|
|
"3.2":"a #1 #2 #3",
|
|
"4":"a #1 #2 #3",
|
|
"5":"u",
|
|
"5.1":"y",
|
|
"6":"y",
|
|
"6.1":"y",
|
|
"7":"y",
|
|
"7.1":"y",
|
|
"8":"y",
|
|
"9":"y",
|
|
"9.1":"y",
|
|
"10":"y",
|
|
"10.1":"y",
|
|
"11":"y",
|
|
"11.1":"y",
|
|
"12":"y",
|
|
"12.1":"y",
|
|
"13":"y",
|
|
"13.1":"y",
|
|
"14":"y",
|
|
"TP":"y"
|
|
},
|
|
"opera":{
|
|
"9":"u",
|
|
"9.5-9.6":"a #1",
|
|
"10.0-10.1":"a #1",
|
|
"10.5":"a #1",
|
|
"10.6":"a #1",
|
|
"11":"a #1",
|
|
"11.1":"a #1",
|
|
"11.5":"a #1",
|
|
"11.6":"a #1",
|
|
"12":"a #1",
|
|
"12.1":"a #1",
|
|
"15":"y",
|
|
"16":"y",
|
|
"17":"y",
|
|
"18":"y",
|
|
"19":"y",
|
|
"20":"y",
|
|
"21":"y",
|
|
"22":"y",
|
|
"23":"y",
|
|
"24":"y",
|
|
"25":"y",
|
|
"26":"y",
|
|
"27":"y",
|
|
"28":"y",
|
|
"29":"y",
|
|
"30":"y",
|
|
"31":"y",
|
|
"32":"y",
|
|
"33":"y",
|
|
"34":"y",
|
|
"35":"y",
|
|
"36":"y",
|
|
"37":"y",
|
|
"38":"y",
|
|
"39":"y",
|
|
"40":"y",
|
|
"41":"y",
|
|
"42":"y",
|
|
"43":"y",
|
|
"44":"y",
|
|
"45":"y",
|
|
"46":"y",
|
|
"47":"y",
|
|
"48":"y",
|
|
"49":"y",
|
|
"50":"y",
|
|
"51":"y",
|
|
"52":"y",
|
|
"53":"y",
|
|
"54":"y",
|
|
"55":"y",
|
|
"56":"y",
|
|
"57":"y",
|
|
"58":"y",
|
|
"60":"y",
|
|
"62":"y",
|
|
"63":"y",
|
|
"64":"y",
|
|
"65":"y",
|
|
"66":"y",
|
|
"67":"y",
|
|
"68":"y",
|
|
"69":"y",
|
|
"70":"y"
|
|
},
|
|
"ios_saf":{
|
|
"3.2":"u",
|
|
"4.0-4.1":"y",
|
|
"4.2-4.3":"y",
|
|
"5.0-5.1":"y",
|
|
"6.0-6.1":"y",
|
|
"7.0-7.1":"y",
|
|
"8":"a #5",
|
|
"8.1-8.4":"a #5",
|
|
"9.0-9.2":"y",
|
|
"9.3":"y",
|
|
"10.0-10.2":"y",
|
|
"10.3":"y",
|
|
"11.0-11.2":"y",
|
|
"11.3-11.4":"y",
|
|
"12.0-12.1":"y",
|
|
"12.2-12.4":"y",
|
|
"13.0-13.1":"y",
|
|
"13.2":"y",
|
|
"13.3":"y",
|
|
"13.4-13.5":"y",
|
|
"14.0":"y"
|
|
},
|
|
"op_mini":{
|
|
"all":"a #1"
|
|
},
|
|
"android":{
|
|
"2.1":"u",
|
|
"2.2":"u",
|
|
"2.3":"y",
|
|
"3":"y",
|
|
"4":"y",
|
|
"4.1":"y",
|
|
"4.2-4.3":"y",
|
|
"4.4":"y",
|
|
"4.4.3-4.4.4":"y",
|
|
"81":"y #6"
|
|
},
|
|
"bb":{
|
|
"7":"y",
|
|
"10":"y"
|
|
},
|
|
"op_mob":{
|
|
"10":"a #1",
|
|
"11":"a #1",
|
|
"11.1":"a #1",
|
|
"11.5":"a #1",
|
|
"12":"a #1",
|
|
"12.1":"a #1",
|
|
"46":"a #6"
|
|
},
|
|
"and_chr":{
|
|
"84":"y #6"
|
|
},
|
|
"and_ff":{
|
|
"79":"y #6"
|
|
},
|
|
"ie_mob":{
|
|
"10":"y",
|
|
"11":"y"
|
|
},
|
|
"and_uc":{
|
|
"12.12":"y"
|
|
},
|
|
"samsung":{
|
|
"4":"y #6",
|
|
"5.0-5.4":"y #6",
|
|
"6.2-6.4":"y #6",
|
|
"7.2-7.4":"y #6",
|
|
"8.2":"y #6",
|
|
"9.2":"y #6",
|
|
"10.1":"y #6",
|
|
"11.1-11.2":"y #6",
|
|
"12.0":"y #6"
|
|
},
|
|
"and_qq":{
|
|
"10.4":"y"
|
|
},
|
|
"baidu":{
|
|
"7.12":"y"
|
|
},
|
|
"kaios":{
|
|
"2.5":"y #4"
|
|
}
|
|
},
|
|
"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."
|
|
},
|
|
"usage_perc_y":97.26,
|
|
"usage_perc_a":1.42,
|
|
"ucprefix":false,
|
|
"parent":"form-validation",
|
|
"keywords":"maximum,length,input,textarea,too,long,validity,state",
|
|
"ie_id":"",
|
|
"chrome_id":"",
|
|
"firefox_id":"",
|
|
"webkit_id":"",
|
|
"shown":true
|
|
}
|