js objects vs maps (v2)

Revision 2 of this benchmark created on


Test runner

Ready to run.

Testing in
TestOps/sec
obj get
let obj = {
  '0': 0,
  '1': 1,
  '2': 2,
  '3': 3,
  '4': 4,
  '5': 5,
  '6': 6,
  '7': 7,
  '8': 8,
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  '962': 962,
  '963': 963,
  '964': 964,
  '965': 965,
  '966': 966,
  '967': 967,
  '968': 968,
  '969': 969,
  '970': 970,
  '971': 971,
  '972': 972,
  '973': 973,
  '974': 974,
  '975': 975,
  '976': 976,
  '977': 977,
  '978': 978,
  '979': 979,
  '980': 980,
  '981': 981,
  '982': 982,
  '983': 983,
  '984': 984,
  '985': 985,
  '986': 986,
  '987': 987,
  '988': 988,
  '989': 989,
  '990': 990,
  '991': 991,
  '992': 992,
  '993': 993,
  '994': 994,
  '995': 995,
  '996': 996,
  '997': 997,
  '998': 998,
  '999': 999
}
for(i=0; i<1000; i++){
	console.log(obj[i+""])
}
ready
map get
const myMap = new Map([[0,0],[1,1],[2,2],[3,3],[4,4],[5,5],[6,6],[7,7],[8,8],[9,9],[10,10],[11,11],[12,12],[13,13],[14,14],[15,15],[16,16],[17,17],[18,18],[19,19],[20,20],[21,21],[22,22],[23,23],[24,24],[25,25],[26,26],[27,27],[28,28],[29,29],[30,30],[31,31],[32,32],[33,33],[34,34],[35,35],[36,36],[37,37],[38,38],[39,39],[40,40],[41,41],[42,42],[43,43],[44,44],[45,45],[46,46],[47,47],[48,48],[49,49],[50,50],[51,51],[52,52],[53,53],[54,54],[55,55],[56,56],[57,57],[58,58],[59,59],[60,60],[61,61],[62,62],[63,63],[64,64],[65,65],[66,66],[67,67],[68,68],[69,69],[70,70],[71,71],[72,72],[73,73],[74,74],[75,75],[76,76],[77,77],[78,78],[79,79],[80,80],[81,81],[82,82],[83,83],[84,84],[85,85],[86,86],[87,87],[88,88],[89,89],[90,90],[91,91],[92,92],[93,93],[94,94],[95,95],[96,96],[97,97],[98,98],[99,99],[100,100],[101,101],[102,102],[103,103],[104,104],[105,105],[106,106],[107,107],[108,108],[109,109],[110,110],[111,111],[112,112],[113,113],[114,114],[115,115],[116,116],[117,117],[118,118],[119,119],[120,120],[121,121],[122,122],[123,123],[124,124],[125,125],[126,126],[127,127],[128,128],[129,129],[130,130],[131,131],[132,132],[133,133],[134,134],[135,135],[136,136],[137,137],[138,138],[139,139],[140,140],[141,141],[142,142],[143,143],[144,144],[145,145],[146,146],[147,147],[148,148],[149,149],[150,150],[151,151],[152,152],[153,153],[154,154],[155,155],[156,156],[157,157],[158,158],[159,159],[160,160],[161,161],[162,162],[163,163],[164,164],[165,165],[166,166],[167,167],[168,168],[169,169],[170,170],[171,171],[172,172],[173,173],[174,174],[175,175],[176,176],[177,177],[178,178],[179,179],[180,180],[181,181],[182,182],[183,183],[184,184],[185,185],[186,186],[187,187],[188,188],[189,189],[190,190],[191,191],[192,192],[193,193],[194,194],[195,195],[196,196],[197,197],[198,198],[199,199],[200,200],[201,201],[202,202],[203,203],[204,204],[205,205],[206,206],[207,207],[208,208],[209,209],[210,210],[211,211],[212,212],[213,213],[214,214],[215,215],[216,216],[217,217],[218,218],[219,219],[220,220],[221,221],[222,222],[223,223],[224,224],[225,225],[226,226],[227,227],[228,228],[229,229],[230,230],[231,231],[232,232],[233,233],[234,234],[235,235],[236,236],[237,237],[238,238],[239,239],[240,240],[241,241],[242,242],[243,243],[244,244],[245,245],[246,246],[247,247],[248,248],[249,249],[250,250],[251,251],[252,252],[253,253],[254,254],[255,255],[256,256],[257,257],[258,258],[259,259],[260,260],[261,261],[262,262],[263,263],[264,264],[265,265],[266,266],[267,267],[268,268],[269,269],[270,270],[271,271],[272,272],[273,273],[274,274],[275,275],[276,276],[277,277],[278,278],[279,279],[280,280],[281,281],[282,282],[283,283],[284,284],[285,285],[286,286],[287,287],[288,288],[289,289],[290,290],[291,291],[292,292],[293,293],[294,294],[295,295],[296,296],[297,297],[298,298],[299,299],[300,300],[301,301],[302,302],[303,303],[304,304],[305,305],[306,306],[307,307],[308,308],[309,309],[310,310],[311,311],[312,312],[313,313],[314,314],[315,315],[316,316],[317,317],[318,318],[319,319],[320,320],[321,321],[322,322],[323,323],[324,324],[325,325],[326,326],[327,327],[328,328],[329,329],[330,330],[331,331],[332,332],[333,333],[334,334],[335,335],[336,336],[337,337],[338,338],[339,339],[340,340],[341,341],[342,342],[343,343],[344,344],[345,345],[346,346],[347,347],[348,348],[349,349],[350,350],[351,351],[352,352],[353,353],[354,354],[355,355],[356,356],[357,357],[358,358],[359,359],[360,360],[361,361],[362,362],[363,363],[364,364],[365,365],[366,366],[367,367],[368,368],[369,369],[370,370],[371,371],[372,372],[373,373],[374,374],[375,375],[376,376],[377,377],[378,378],[379,379],[380,380],[381,381],[382,382],[383,383],[384,384],[385,385],[386,386],[387,387],[388,388],[389,389],[390,390],[391,391],[392,392],[393,393],[394,394],[395,395],[396,396],[397,397],[398,398],[399,399],[400,400],[401,401],[402,402],[403,403],[404,404],[405,405],[406,406],[407,407],[408,408],[409,409],[410,410],[411,411],[412,412],[413,413],[414,414],[415,415],[416,416],[417,417],[418,418],[419,419],[420,420],[421,421],[422,422],[423,423],[424,424],[425,425],[426,426],[427,427],[428,428],[429,429],[430,430],[431,431],[432,432],[433,433],[434,434],[435,435],[436,436],[437,437],[438,438],[439,439],[440,440],[441,441],[442,442],[443,443],[444,444],[445,445],[446,446],[447,447],[448,448],[449,449],[450,450],[451,451],[452,452],[453,453],[454,454],[455,455],[456,456],[457,457],[458,458],[459,459],[460,460],[461,461],[462,462],[463,463],[464,464],[465,465],[466,466],[467,467],[468,468],[469,469],[470,470],[471,471],[472,472],[473,473],[474,474],[475,475],[476,476],[477,477],[478,478],[479,479],[480,480],[481,481],[482,482],[483,483],[484,484],[485,485],[486,486],[487,487],[488,488],[489,489],[490,490],[491,491],[492,492],[493,493],[494,494],[495,495],[496,496],[497,497],[498,498],[499,499],[500,500],[501,501],[502,502],[503,503],[504,504],[505,505],[506,506],[507,507],[508,508],[509,509],[510,510],[511,511],[512,512],[513,513],[514,514],[515,515],[516,516],[517,517],[518,518],[519,519],[520,520],[521,521],[522,522],[523,523],[524,524],[525,525],[526,526],[527,527],[528,528],[529,529],[530,530],[531,531],[532,532],[533,533],[534,534],[535,535],[536,536],[537,537],[538,538],[539,539],[540,540],[541,541],[542,542],[543,543],[544,544],[545,545],[546,546],[547,547],[548,548],[549,549],[550,550],[551,551],[552,552],[553,553],[554,554],[555,555],[556,556],[557,557],[558,558],[559,559],[560,560],[561,561],[562,562],[563,563],[564,564],[565,565],[566,566],[567,567],[568,568],[569,569],[570,570],[571,571],[572,572],[573,573],[574,574],[575,575],[576,576],[577,577],[578,578],[579,579],[580,580],[581,581],[582,582],[583,583],[584,584],[585,585],[586,586],[587,587],[588,588],[589,589],[590,590],[591,591],[592,592],[593,593],[594,594],[595,595],[596,596],[597,597],[598,598],[599,599],[600,600],[601,601],[602,602],[603,603],[604,604],[605,605],[606,606],[607,607],[608,608],[609,609],[610,610],[611,611],[612,612],[613,613],[614,614],[615,615],[616,616],[617,617],[618,618],[619,619],[620,620],[621,621],[622,622],[623,623],[624,624],[625,625],[626,626],[627,627],[628,628],[629,629],[630,630],[631,631],[632,632],[633,633],[634,634],[635,635],[636,636],[637,637],[638,638],[639,639],[640,640],[641,641],[642,642],[643,643],[644,644],[645,645],[646,646],[647,647],[648,648],[649,649],[650,650],[651,651],[652,652],[653,653],[654,654],[655,655],[656,656],[657,657],[658,658],[659,659],[660,660],[661,661],[662,662],[663,663],[664,664],[665,665],[666,666],[667,667],[668,668],[669,669],[670,670],[671,671],[672,672],[673,673],[674,674],[675,675],[676,676],[677,677],[678,678],[679,679],[680,680],[681,681],[682,682],[683,683],[684,684],[685,685],[686,686],[687,687],[688,688],[689,689],[690,690],[691,691],[692,692],[693,693],[694,694],[695,695],[696,696],[697,697],[698,698],[699,699],[700,700],[701,701],[702,702],[703,703],[704,704],[705,705],[706,706],[707,707],[708,708],[709,709],[710,710],[711,711],[712,712],[713,713],[714,714],[715,715],[716,716],[717,717],[718,718],[719,719],[720,720],[721,721],[722,722],[723,723],[724,724],[725,725],[726,726],[727,727],[728,728],[729,729],[730,730],[731,731],[732,732],[733,733],[734,734],[735,735],[736,736],[737,737],[738,738],[739,739],[740,740],[741,741],[742,742],[743,743],[744,744],[745,745],[746,746],[747,747],[748,748],[749,749],[750,750],[751,751],[752,752],[753,753],[754,754],[755,755],[756,756],[757,757],[758,758],[759,759],[760,760],[761,761],[762,762],[763,763],[764,764],[765,765],[766,766],[767,767],[768,768],[769,769],[770,770],[771,771],[772,772],[773,773],[774,774],[775,775],[776,776],[777,777],[778,778],[779,779],[780,780],[781,781],[782,782],[783,783],[784,784],[785,785],[786,786],[787,787],[788,788],[789,789],[790,790],[791,791],[792,792],[793,793],[794,794],[795,795],[796,796],[797,797],[798,798],[799,799],[800,800],[801,801],[802,802],[803,803],[804,804],[805,805],[806,806],[807,807],[808,808],[809,809],[810,810],[811,811],[812,812],[813,813],[814,814],[815,815],[816,816],[817,817],[818,818],[819,819],[820,820],[821,821],[822,822],[823,823],[824,824],[825,825],[826,826],[827,827],[828,828],[829,829],[830,830],[831,831],[832,832],[833,833],[834,834],[835,835],[836,836],[837,837],[838,838],[839,839],[840,840],[841,841],[842,842],[843,843],[844,844],[845,845],[846,846],[847,847],[848,848],[849,849],[850,850],[851,851],[852,852],[853,853],[854,854],[855,855],[856,856],[857,857],[858,858],[859,859],[860,860],[861,861],[862,862],[863,863],[864,864],[865,865],[866,866],[867,867],[868,868],[869,869],[870,870],[871,871],[872,872],[873,873],[874,874],[875,875],[876,876],[877,877],[878,878],[879,879],[880,880],[881,881],[882,882],[883,883],[884,884],[885,885],[886,886],[887,887],[888,888],[889,889],[890,890],[891,891],[892,892],[893,893],[894,894],[895,895],[896,896],[897,897],[898,898],[899,899],[900,900],[901,901],[902,902],[903,903],[904,904],[905,905],[906,906],[907,907],[908,908],[909,909],[910,910],[911,911],[912,912],[913,913],[914,914],[915,915],[916,916],[917,917],[918,918],[919,919],[920,920],[921,921],[922,922],[923,923],[924,924],[925,925],[926,926],[927,927],[928,928],[929,929],[930,930],[931,931],[932,932],[933,933],[934,934],[935,935],[936,936],[937,937],[938,938],[939,939],[940,940],[941,941],[942,942],[943,943],[944,944],[945,945],[946,946],[947,947],[948,948],[949,949],[950,950],[951,951],[952,952],[953,953],[954,954],[955,955],[956,956],[957,957],[958,958],[959,959],[960,960],[961,961],[962,962],[963,963],[964,964],[965,965],[966,966],[967,967],[968,968],[969,969],[970,970],[971,971],[972,972],[973,973],[974,974],[975,975],[976,976],[977,977],[978,978],[979,979],[980,980],[981,981],[982,982],[983,983],[984,984],[985,985],[986,986],[987,987],[988,988],[989,989],[990,990],[991,991],[992,992],[993,993],[994,994],[995,995],[996,996],[997,997],[998,998],[999,999], 
])
console.log(myMap);
for(i=0; i<1000; i++){
	console.log(myMap.get(i))
}

ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.