Edit File: maxlength.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", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"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", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"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", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"y", "98":"y", "99":"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", "14.1":"y", "15":"y", "15.1":"y", "15.2":"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", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "82":"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", "12.2-12.5":"y", "13.0-13.1":"y", "13.2":"y", "13.3":"y", "13.4-13.7":"y", "14.0-14.4":"y", "14.5-14.8":"y", "15.0-15.1":"y", "15.2":"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", "96":"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", "64":"y #6" }, "and_chr":{ "96":"y #6" }, "and_ff":{ "94":"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", "13.0":"y #6", "14.0":"y #6", "15.0":"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://web.archive.org/web/20171210191653/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":98.5, "usage_perc_a":1.33, "ucprefix":false, "parent":"form-validation", "keywords":"maximum,length,input,textarea,too,long,validity,state", "ie_id":"", "chrome_id":"", "firefox_id":"", "webkit_id":"", "shown":true }
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