Run results for: Read Data Table vs Switch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
Switch	21.3 Ops/sec
Table	29.4 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

// 100 symbols (key)
const CONST_00 = Symbol("0");	const CONST_01 = Symbol("1");	const CONST_02 = Symbol("2");	const CONST_03 = Symbol("3");	const CONST_04 = Symbol("4");
const CONST_05 = Symbol("5");	const CONST_06 = Symbol("6");	const CONST_07 = Symbol("7");	const CONST_08 = Symbol("8");	const CONST_09 = Symbol("9");
const CONST_10 = Symbol("10");	const CONST_11 = Symbol("11");	const CONST_12 = Symbol("12");	const CONST_13 = Symbol("13");	const CONST_14 = Symbol("14");
const CONST_15 = Symbol("15");	const CONST_16 = Symbol("16");	const CONST_17 = Symbol("17");	const CONST_18 = Symbol("18");	const CONST_19 = Symbol("19");
const CONST_20 = Symbol("20");	const CONST_21 = Symbol("21");	const CONST_22 = Symbol("22");	const CONST_23 = Symbol("23");	const CONST_24 = Symbol("24");
const CONST_25 = Symbol("25");	const CONST_26 = Symbol("26");	const CONST_27 = Symbol("27");	const CONST_28 = Symbol("28");	const CONST_29 = Symbol("29");
const CONST_30 = Symbol("30");	const CONST_31 = Symbol("31");	const CONST_32 = Symbol("32");	const CONST_33 = Symbol("33");	const CONST_34 = Symbol("34");
const CONST_35 = Symbol("35");	const CONST_36 = Symbol("36");	const CONST_37 = Symbol("37");	const CONST_38 = Symbol("38");	const CONST_39 = Symbol("39");
const CONST_40 = Symbol("40");	const CONST_41 = Symbol("41");	const CONST_42 = Symbol("42");	const CONST_43 = Symbol("43");	const CONST_44 = Symbol("44");
const CONST_45 = Symbol("45");	const CONST_46 = Symbol("46");	const CONST_47 = Symbol("47");	const CONST_48 = Symbol("48");	const CONST_49 = Symbol("49");
const CONST_50 = Symbol("50");	const CONST_51 = Symbol("51");	const CONST_52 = Symbol("52");	const CONST_53 = Symbol("53");	const CONST_54 = Symbol("54");
const CONST_55 = Symbol("55");	const CONST_56 = Symbol("56");	const CONST_57 = Symbol("57");	const CONST_58 = Symbol("58");	const CONST_59 = Symbol("59");
const CONST_60 = Symbol("60");	const CONST_61 = Symbol("61");	const CONST_62 = Symbol("62");	const CONST_63 = Symbol("63");	const CONST_64 = Symbol("64");
const CONST_65 = Symbol("65");	const CONST_66 = Symbol("66");	const CONST_67 = Symbol("67");	const CONST_68 = Symbol("68");	const CONST_69 = Symbol("69");
const CONST_70 = Symbol("70");	const CONST_71 = Symbol("71");	const CONST_72 = Symbol("72");	const CONST_73 = Symbol("73");	const CONST_74 = Symbol("74");
const CONST_75 = Symbol("75");	const CONST_76 = Symbol("76");	const CONST_77 = Symbol("77");	const CONST_78 = Symbol("78");	const CONST_79 = Symbol("79");
const CONST_80 = Symbol("80");	const CONST_81 = Symbol("81");	const CONST_82 = Symbol("82");	const CONST_83 = Symbol("83");	const CONST_84 = Symbol("84");
const CONST_85 = Symbol("85");	const CONST_86 = Symbol("86");	const CONST_87 = Symbol("87");	const CONST_88 = Symbol("88");	const CONST_89 = Symbol("89");
const CONST_90 = Symbol("90");	const CONST_91 = Symbol("91");	const CONST_92 = Symbol("92");	const CONST_93 = Symbol("93");	const CONST_94 = Symbol("94");
const CONST_95 = Symbol("95");	const CONST_96 = Symbol("96");	const CONST_97 = Symbol("97");	const CONST_98 = Symbol("98");	const CONST_99 = Symbol("99");

function funcBySwitch(value){
 	switch(value)
    {
      case CONST_00 : return 0;	case CONST_01 : return 1;	case CONST_02 : return 2;	case CONST_03 : return 3;	case CONST_04 : return 4;
      case CONST_05 : return 5;	case CONST_06 : return 6;	case CONST_07 : return 7;	case CONST_08 : return 8;	case CONST_09 : return 9;
      case CONST_10 : return 10;	case CONST_11 : return 11;	case CONST_12 : return 12;	case CONST_13 : return 13;	case CONST_14 : return 14;
      case CONST_15 : return 15;	case CONST_16 : return 16;	case CONST_17 : return 17;	case CONST_18 : return 18;	case CONST_19 : return 19;
      case CONST_20 : return 20;	case CONST_21 : return 21;	case CONST_22 : return 22;	case CONST_23 : return 23;	case CONST_24 : return 24;
      case CONST_25 : return 25;	case CONST_26 : return 26;	case CONST_27 : return 27;	case CONST_28 : return 28;	case CONST_29 : return 29;
      case CONST_30 : return 30;	case CONST_31 : return 31;	case CONST_32 : return 32;	case CONST_33 : return 33;	case CONST_34 : return 34;
      case CONST_35 : return 35;	case CONST_36 : return 36;	case CONST_37 : return 37;	case CONST_38 : return 38;	case CONST_39 : return 39;
      case CONST_40 : return 40;	case CONST_41 : return 41;	case CONST_42 : return 42;	case CONST_43 : return 43;	case CONST_44 : return 44;
      case CONST_45 : return 45;	case CONST_46 : return 46;	case CONST_47 : return 47;	case CONST_48 : return 48;	case CONST_49 : return 49;
      case CONST_50 : return 50;	case CONST_51 : return 51;	case CONST_52 : return 52;	case CONST_53 : return 53;	case CONST_54 : return 54;
      case CONST_55 : return 55;	case CONST_56 : return 56;	case CONST_57 : return 57;	case CONST_58 : return 58;	case CONST_59 : return 59;
      case CONST_60 : return 60;	case CONST_61 : return 61;	case CONST_62 : return 62;	case CONST_63 : return 63;	case CONST_64 : return 64;
      case CONST_65 : return 65;	case CONST_66 : return 66;	case CONST_67 : return 67;	case CONST_68 : return 68;	case CONST_69 : return 69;
      case CONST_70 : return 70;	case CONST_71 : return 71;	case CONST_72 : return 72;	case CONST_73 : return 73;	case CONST_74 : return 74;
      case CONST_75 : return 75;	case CONST_76 : return 76;	case CONST_77 : return 77;	case CONST_78 : return 78;	case CONST_79 : return 79;
      case CONST_80 : return 80;	case CONST_81 : return 81;	case CONST_82 : return 82;	case CONST_83 : return 83;	case CONST_84 : return 84;
      case CONST_85 : return 85;	case CONST_86 : return 86;	case CONST_87 : return 87;	case CONST_88 : return 88;	case CONST_89 : return 89;
      case CONST_90 : return 90;	case CONST_91 : return 91;	case CONST_92 : return 92;	case CONST_93 : return 93;	case CONST_94 : return 94;
      case CONST_95 : return 95;	case CONST_96 : return 96;	case CONST_97 : return 97;	case CONST_98 : return 98;	case CONST_99 : return 99;
    }
}

const TABLE = {};
const SYMBOLS = [];
for(i=0;i<100;i++) eval('SYMBOLS['+i+'] = CONST_' + ('00'+i).slice(-2)) 
for(i=0;i<100;i++) TABLE[SYMBOLS[i]] = i;

function funcByObject(value){
  return TABLE[value];
}

function getSymbol(){ return SYMBOLS[Math.floor(Math.random()*100)]; }

Tests:

Switch
for(i=0;i<1000000;i++) funcBySwitch(getSymbol());
Table
for(i=0;i<1000000;i++) funcByObject(getSymbol());