Benchmark: deburr manually vs deburr from lodash

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

AخA
 
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

    var defaultDiacriticsRemovalMap = [{
            'base': 'A',
            'letters': '\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'
        },
        {
            'base': 'AA',
            'letters': '\uA732'
        },
        {
            'base': 'AE',
            'letters': '\u00C6\u01FC\u01E2'
        },
        {
            'base': 'AO',
            'letters': '\uA734'
        },
        {
            'base': 'AU',
            'letters': '\uA736'
        },
        {
            'base': 'AV',
            'letters': '\uA738\uA73A'
        },
        {
            'base': 'AY',
            'letters': '\uA73C'
        },
        {
            'base': 'B',
            'letters': '\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181'
        },
        {
            'base': 'C',
            'letters': '\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E'
        },
        {
            'base': 'D',
            'letters': '\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779\u00D0'
        },
        {
            'base': 'DZ',
            'letters': '\u01F1\u01C4'
        },
        {
            'base': 'Dz',
            'letters': '\u01F2\u01C5'
        },
        {
            'base': 'E',
            'letters': '\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E'
        },
        {
            'base': 'F',
            'letters': '\u0046\u24BB\uFF26\u1E1E\u0191\uA77B'
        },
        {
            'base': 'G',
            'letters': '\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E'
        },
        {
            'base': 'H',
            'letters': '\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D'
        },
        {
            'base': 'I',
            'letters': '\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197'
        },
        {
            'base': 'J',
            'letters': '\u004A\u24BF\uFF2A\u0134\u0248'
        },
        {
            'base': 'K',
            'letters': '\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2'
        },
        {
            'base': 'L',
            'letters': '\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780'
        },
        {
            'base': 'LJ',
            'letters': '\u01C7'
        },
        {
            'base': 'Lj',
            'letters': '\u01C8'
        },
        {
            'base': 'M',
            'letters': '\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C'
        },
        {
            'base': 'N',
            'letters': '\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4'
        },
        {
            'base': 'NJ',
            'letters': '\u01CA'
        },
        {
            'base': 'Nj',
            'letters': '\u01CB'
        },
        {
            'base': 'O',
            'letters': '\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C'
        },
        {
            'base': 'OI',
            'letters': '\u01A2'
        },
        {
            'base': 'OO',
            'letters': '\uA74E'
        },
        {
            'base': 'OU',
            'letters': '\u0222'
        },
        {
            'base': 'OE',
            'letters': '\u008C\u0152'
        },
        {
            'base': 'oe',
            'letters': '\u009C\u0153'
        },
        {
            'base': 'P',
            'letters': '\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754'
        },
        {
            'base': 'Q',
            'letters': '\u0051\u24C6\uFF31\uA756\uA758\u024A'
        },
        {
            'base': 'R',
            'letters': '\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782'
        },
        {
            'base': 'S',
            'letters': '\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784'
        },
        {
            'base': 'T',
            'letters': '\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786'
        },
        {
            'base': 'TZ',
            'letters': '\uA728'
        },
        {
            'base': 'U',
            'letters': '\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244'
        },
        {
            'base': 'V',
            'letters': '\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245'
        },
        {
            'base': 'VY',
            'letters': '\uA760'
        },
        {
            'base': 'W',
            'letters': '\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72'
        },
        {
            'base': 'X',
            'letters': '\u0058\u24CD\uFF38\u1E8A\u1E8C'
        },
        {
            'base': 'Y',
            'letters': '\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE'
        },
        {
            'base': 'Z',
            'letters': '\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762'
        },
        {
            'base': 'a',
            'letters': '\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250'
        },
        {
            'base': 'aa',
            'letters': '\uA733'
        },
        {
            'base': 'ae',
            'letters': '\u00E6\u01FD\u01E3'
        },
        {
            'base': 'ao',
            'letters': '\uA735'
        },
        {
            'base': 'au',
            'letters': '\uA737'
        },
        {
            'base': 'av',
            'letters': '\uA739\uA73B'
        },
        {
            'base': 'ay',
            'letters': '\uA73D'
        },
        {
            'base': 'b',
            'letters': '\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253'
        },
        {
            'base': 'c',
            'letters': '\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184'
        },
        {
            'base': 'd',
            'letters': '\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A'
        },
        {
            'base': 'dz',
            'letters': '\u01F3\u01C6'
        },
        {
            'base': 'e',
            'letters': '\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD'
        },
        {
            'base': 'f',
            'letters': '\u0066\u24D5\uFF46\u1E1F\u0192\uA77C'
        },
        {
            'base': 'g',
            'letters': '\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F'
        },
        {
            'base': 'h',
            'letters': '\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265'
        },
        {
            'base': 'hv',
            'letters': '\u0195'
        },
        {
            'base': 'i',
            'letters': '\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131'
        },
        {
            'base': 'j',
            'letters': '\u006A\u24D9\uFF4A\u0135\u01F0\u0249'
        },
        {
            'base': 'k',
            'letters': '\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3'
        },
        {
            'base': 'l',
            'letters': '\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747'
        },
        {
            'base': 'lj',
            'letters': '\u01C9'
        },
        {
            'base': 'm',
            'letters': '\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F'
        },
        {
            'base': 'n',
            'letters': '\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5'
        },
        {
            'base': 'nj',
            'letters': '\u01CC'
        },
        {
            'base': 'o',
            'letters': '\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275'
        },
        {
            'base': 'oi',
            'letters': '\u01A3'
        },
        {
            'base': 'ou',
            'letters': '\u0223'
        },
        {
            'base': 'oo',
            'letters': '\uA74F'
        },
        {
            'base': 'p',
            'letters': '\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755'
        },
        {
            'base': 'q',
            'letters': '\u0071\u24E0\uFF51\u024B\uA757\uA759'
        },
        {
            'base': 'r',
            'letters': '\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783'
        },
        {
            'base': 's',
            'letters': '\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B'
        },
        {
            'base': 't',
            'letters': '\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787'
        },
        {
            'base': 'tz',
            'letters': '\uA729'
        },
        {
            'base': 'u',
            'letters': '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289'
        },
        {
            'base': 'v',
            'letters': '\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C'
        },
        {
            'base': 'vy',
            'letters': '\uA761'
        },
        {
            'base': 'w',
            'letters': '\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73'
        },
        {
            'base': 'x',
            'letters': '\u0078\u24E7\uFF58\u1E8B\u1E8D'
        },
        {
            'base': 'y',
            'letters': '\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF'
        },
        {
            'base': 'z',
            'letters': '\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763'
        }
    ];
    var diacriticsMap = {};
    for (var i = 0; i < defaultDiacriticsRemovalMap.length; i++) {
        var letters = defaultDiacriticsRemovalMap[i].letters;
        for (var j = 0; j < letters.length; j++) {
            diacriticsMap[letters[j]] = defaultDiacriticsRemovalMap[i].base;
        }
    }

    // "what?" version ... http://jsperf.com/diacritics/12
    function removeDiacritics(str) {
        return str.replace(/[^\u0000-\u007E]/g, function(a) {
            return diacriticsMap[a] || a;
        });
    }

    var paragraph = "L'avantage d'utiliser le lorem ipsum est bien     évidemment de pouvoir créer des maquettes ou de remplir un site internet de contenus qui présentent un rendu s'approchant un maximum du rendu final. \n Par défaut lorem ipsum ne contient pas d'accent ni de caractères spéciaux contrairement à la langue française qui en contient beaucoup. C'est sur ce critère que nous proposons une solution avec cet outil qui générant du faux-texte lorem ipsum mais avec en plus, des caractères spéciaux tel que les accents ou certains symboles utiles pour la langue française. \n L'utilisation du lorem standard est facile d’utilisation mais lorsque le futur client utilisera votre logiciel il se peut que certains caractères spéciaux ou qu'un accent ne soient pas codés correctement. \n Cette page a pour but donc de pouvoir perdre le moins de temps possible et donc de tester directement si tous les encodages de base de donnée ou des sites sont les bons de plus il permet de récuperer un code css avec le texte formaté !";

​x
 
    var defaultDiacriticsRemovalMap = [{            'base': 'A',            'letters': '\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'        },        {            'base': 'AA',            'letters': '\uA732'        },        {            'base': 'AE',            'letters': '\u00C6\u01FC\u01E2'        },        {            'base': 'AO',            'letters': '\uA734'        },        {            'base': 'AU',            'letters': '\uA736'        },        {            'base': 'AV',            'letters': '\uA738\uA73A'        },        {            'base': 'AY',            'letters': '\uA73C'        },        {            'base': 'B',            'letters': '\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181'        },        {            'base': 'C',            'letters': '\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E'        },        {            'base': 'D',            'letters': '\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779\u00D0'        },        {            'base': 'DZ',            'letters': '\u01F1\u01C4'        },        {            'base': 'Dz',            'letters': '\u01F2\u01C5'        },        {            'base': 'E',            'letters': '\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E'        },        {            'base': 'F',            'letters': '\u0046\u24BB\uFF26\u1E1E\u0191\uA77B'        },        {            'base': 'G',            'letters': '\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E'        },        {            'base': 'H',            'letters': '\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D'        },        {            'base': 'I',            'letters': '\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197'        },        {            'base': 'J',            'letters': '\u004A\u24BF\uFF2A\u0134\u0248'        },        {            'base': 'K',            'letters': '\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2'        },        {            'base': 'L',            'letters': '\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780'        },        {            'base': 'LJ',            'letters': '\u01C7'        },        {            'base': 'Lj',            'letters': '\u01C8'        },        {            'base': 'M',            'letters': '\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C'        },        {            'base': 'N',            'letters': '\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4'        },        {            'base': 'NJ',            'letters': '\u01CA'        },        {            'base': 'Nj',            'letters': '\u01CB'        },        {            'base': 'O',            'letters': '\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C'        },        {            'base': 'OI',            'letters': '\u01A2'        },        {            'base': 'OO',            'letters': '\uA74E'        },        {            'base': 'OU',            'letters': '\u0222'        },        {            'base': 'OE',            'letters': '\u008C\u0152'        },        {            'base': 'oe',            'letters': '\u009C\u0153'        },        {            'base': 'P',            'letters': '\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754'        },        {            'base': 'Q',            'letters': '\u0051\u24C6\uFF31\uA756\uA758\u024A'        },        {            'base': 'R',            'letters': '\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782'        },        {            'base': 'S',            'letters': '\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784'        },        {            'base': 'T',            'letters': '\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786'        },        {            'base': 'TZ',            'letters': '\uA728'        },        {            'base': 'U',            'letters': '\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244'        },        {            'base': 'V',            'letters': '\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245'        },        {            'base': 'VY',            'letters': '\uA760'        },        {            'base': 'W',            'letters': '\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72'        },        {            'base': 'X',            'letters': '\u0058\u24CD\uFF38\u1E8A\u1E8C'        },        {            'base': 'Y',            'letters': '\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE'        },        {            'base': 'Z',            'letters': '\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762'        },        {            'base': 'a',            'letters': '\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250'        },        {            'base': 'aa',            'letters': '\uA733'        },        {            'base': 'ae',            'letters': '\u00E6\u01FD\u01E3'        },        {            'base': 'ao',            'letters': '\uA735'        },        {            'base': 'au',            'letters': '\uA737'        },        {            'base': 'av',            'letters': '\uA739\uA73B'        },        {            'base': 'ay',            'letters': '\uA73D'        },        {            'base': 'b',            'letters': '\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253'        },        {            'base': 'c',            'letters': '\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184'        },        {            'base': 'd',            'letters': '\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A'        },        {            'base': 'dz',            'letters': '\u01F3\u01C6'        },        {            'base': 'e',            'letters': '\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD'        },        {            'base': 'f',            'letters': '\u0066\u24D5\uFF46\u1E1F\u0192\uA77C'        },        {            'base': 'g',            'letters': '\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F'        },        {            'base': 'h',            'letters': '\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265'        },        {            'base': 'hv',            'letters': '\u0195'        },        {            'base': 'i',            'letters': '\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131'        },        {            'base': 'j',            'letters': '\u006A\u24D9\uFF4A\u0135\u01F0\u0249'        },        {            'base': 'k',            'letters': '\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3'        },        {            'base': 'l',            'letters': '\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747'        },        {            'base': 'lj',            'letters': '\u01C9'        },        {            'base': 'm',            'letters': '\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F'        },        {            'base': 'n',            'letters': '\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5'        },        {            'base': 'nj',            'letters': '\u01CC'        },        {            'base': 'o',            'letters': '\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275'        },        {            'base': 'oi',            'letters': '\u01A3'        },        {            'base': 'ou',            'letters': '\u0223'        },        {            'base': 'oo',            'letters': '\uA74F'        },        {            'base': 'p',            'letters': '\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755'        },        {            'base': 'q',            'letters': '\u0071\u24E0\uFF51\u024B\uA757\uA759'        },        {            'base': 'r',            'letters': '\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783'        },        {            'base': 's',            'letters': '\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B'        },        {            'base': 't',            'letters': '\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787'        },        {            'base': 'tz',            'letters': '\uA729'        },        {            'base': 'u',            'letters': '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289'        },        {            'base': 'v',            'letters': '\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C'        },        {            'base': 'vy',            'letters': '\uA761'        },        {            'base': 'w',            'letters': '\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73'        },        {            'base': 'x',            'letters': '\u0078\u24E7\uFF58\u1E8B\u1E8D'        },        {            'base': 'y',            'letters': '\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF'        },        {            'base': 'z',            'letters': '\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763'        }    ];    var diacriticsMap = {};    for (var i = 0; i < defaultDiacriticsRemovalMap.length; i++) {        var letters = defaultDiacriticsRemovalMap[i].letters;        for (var j = 0; j < letters.length; j++) {            diacriticsMap[letters[j]] = defaultDiacriticsRemovalMap[i].base;        }    }​    // "what?" version ... http://jsperf.com/diacritics/12    function removeDiacritics(str) {        return str.replace(/[^\u0000-\u007E]/g, function(a) {            return diacriticsMap[a] || a;        });    }​    var paragraph = "L'avantage d'utiliser le lorem ipsum est bien     évidemment de pouvoir créer des maquettes ou de remplir un site internet de contenus qui présentent un rendu s'approchant un maximum du rendu final. \n Par défaut lorem ipsum ne contient pas d'accent ni de caractères spéciaux contrairement à la langue française qui en contient beaucoup. C'est sur ce critère que nous proposons une solution avec cet outil qui générant du faux-texte lorem ipsum mais avec en plus, des caractères spéciaux tel que les accents ou certains symboles utiles pour la langue française. \n L'utilisation du lorem standard est facile d’utilisation mais lorsque le futur client utilisera votre logiciel il se peut que certains caractères spéciaux ou qu'un accent ne soient pas codés correctement. \n Cette page a pour but donc de pouvoir perdre le moins de temps possible et donc de tester directement si tous les encodages de base de donnée ou des sites sont les bons de plus il permet de récuperer un code css avec le texte formaté !";

Tests:

js
removeDiacritics(paragraph);
removeDiacritics(paragraph);
lo
_.deburr(paragraph)
_.deburr(paragraph)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

Memory measurements supported only in Chrome.
For precise memory measurements Chrome must be launched with --enable-precise-memory-info flag.
More information: Monitoring JavaScript Memory

Test case name	Result
js
lo

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/130.0.6723.90 Mobile/15E148 Safari/604.1

Browser/OS: Chrome Mobile iOS 130 on iOS 18.0

View result in a separate tab

Test name	Executions per second
js	503952.7 Ops/sec
lo	229967.0 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated 5 months ago):

The benchmark "deburr manually vs deburr from lodash" compares two methods of removing diacritics from a string (in this case, a paragraph containing various accented characters). The two approaches tested here are:

Custom JavaScript Function (removeDiacritics(paragraph);)
Lodash Library's _.deburr Method (_.deburr(paragraph))

Options Compared

Manual Diacritics Removal: This approach uses a custom function that leverages a prepared map of diacritics to base characters. The removeDiacritics function employs String.replace with a regex to identify and replace accented characters using the diacritics map.
Lodash _.deburr: Lodash is a utility library that provides various functionalities for JavaScript programming. The _.deburr function is designed to remove diacritical marks from the characters in a string, aiming to simplify the character set to ASCII.

Pros and Cons of Each Approach

Custom JavaScript Function:

Pros:
- Fine-tuned control over how diacritics are handled and what characters are included in the mapping.
- Flexibility to adapt or expand the character map as needed for specific use cases.
Cons:
- Higher complexity as it requires maintaining and updating the diacritics map.
- Potentially less optimized for performance compared to well-tested libraries.
- Increased code size due to the mapping logic.

Lodash _.deburr:

Pros:
- Simplicity—easy to use and integrate as it’s part of a widely used library.
- Optimized for performance, taking advantage of years of community testing and refinement.
- Reduces code complexity, as it abstracts the underlying implementation.
Cons:
- Less flexibility, as it relies on the internal implementation of Lodash (which may not cover all special cases).
- Adds an external library dependency, which might not be ideal for projects aiming for minimal footprint.

Other Considerations

Performance: The benchmark results indicate that the custom JavaScript function (removeDiacritics) performs significantly better (over 500,000 executions per second) compared to Lodash's _.deburr, which has around 229,000 executions per second. This suggests that if performance is critical and the expected input is within the defined range of the custom function, it might be the preferable choice.
Dependencies: Using Lodash means including an additional library in your project. If the primary use of Lodash is just the _.deburr function, it may not be worth the overhead compared to a lightweight custom function.
Maintainability: A custom solution requires updating the diacritics map if additional characters or requirements arise, including the potential for bugs if mishandled. On the other hand, using Lodash allows the developer to leverage community support and documentation for better maintainability and updates.

Alternatives

Native JavaScript: Starting from ECMAScript 2015, one could create custom normalization using String.prototype.normalize() in conjunction with regex to strip diacritics:
```
function normalizeDiacritics(str) {
    return str.normalize('NFD').replace(/[\u0300-\u036f]/g, "");
}
```
However, this might not offer the same performance as a tailored solution.
Other Libraries: Many libraries can handle string manipulations, such as underscore.string, string.js, or even regular expressions directly without any libraries, each having different trade-offs regarding performance and functionality.
Build Your Own Library: If the application context has unique requirements that are not met by existing libraries, creating a custom library might be a long-term solution that balances performance and flexibility.

In conclusion, the choice between these two methodologies heavily depends on specific project requirements, the importance of performance, and the trade-offs between maintaining custom code versus relying on popular libraries like Lodash.

LLMs can make mistakes. Check important info.

1. **Custom JavaScript Function** (`removeDiacritics(paragraph);`)
2. **Lodash Library's `_.deburr` Method** (`_.deburr(paragraph)`)

### Options Compared

- **Manual Diacritics Removal**: This approach uses a custom function that leverages a prepared map of diacritics to base characters. The `removeDiacritics` function employs `String.replace` with a regex to identify and replace accented characters using the diacritics map.

- **Lodash `_.deburr`**: Lodash is a utility library that provides various functionalities for JavaScript programming. The `_.deburr` function is designed to remove diacritical marks from the characters in a string, aiming to simplify the character set to ASCII.

### Pros and Cons of Each Approach

**Custom JavaScript Function**:
- **Pros**:
  - Fine-tuned control over how diacritics are handled and what characters are included in the mapping.
  - Flexibility to adapt or expand the character map as needed for specific use cases.
- **Cons**:
  - Higher complexity as it requires maintaining and updating the diacritics map.
  - Potentially less optimized for performance compared to well-tested libraries.
  - Increased code size due to the mapping logic.

**Lodash `_.deburr`**:
- **Pros**:
  - Simplicity—easy to use and integrate as it’s part of a widely used library.
  - Optimized for performance, taking advantage of years of community testing and refinement.
  - Reduces code complexity, as it abstracts the underlying implementation.
- **Cons**:
  - Less flexibility, as it relies on the internal implementation of Lodash (which may not cover all special cases).
  - Adds an external library dependency, which might not be ideal for projects aiming for minimal footprint.

### Other Considerations

- **Performance**: The benchmark results indicate that the custom JavaScript function (`removeDiacritics`) performs significantly better (over 500,000 executions per second) compared to Lodash's `_.deburr`, which has around 229,000 executions per second. This suggests that if performance is critical and the expected input is within the defined range of the custom function, it might be the preferable choice.
  
- **Dependencies**: Using Lodash means including an additional library in your project. If the primary use of Lodash is just the `_.deburr` function, it may not be worth the overhead compared to a lightweight custom function.

- **Maintainability**: A custom solution requires updating the diacritics map if additional characters or requirements arise, including the potential for bugs if mishandled. On the other hand, using Lodash allows the developer to leverage community support and documentation for better maintainability and updates.

### Alternatives

1. **Native JavaScript**: Starting from ECMAScript 2015, one could create custom normalization using `String.prototype.normalize()` in conjunction with regex to strip diacritics:
   ```javascript
   function normalizeDiacritics(str) {
       return str.normalize('NFD').replace(/[\u0300-\u036f]/g, "");
   }
   ```
   However, this might not offer the same performance as a tailored solution.

2. **Other Libraries**: Many libraries can handle string manipulations, such as `underscore.string`, `string.js`, or even regular expressions directly without any libraries, each having different trade-offs regarding performance and functionality.

3. **Build Your Own Library**: If the application context has unique requirements that are not met by existing libraries, creating a custom library might be a long-term solution that balances performance and flexibility.

Related benchmarks:

deburr manually vs deburr from lodash (version: 1)

Comparing performance of: js vs lo

Created: 5 months ago by: Guest

Jump to the latest result

js

lo