Run results for: filter vs delete from object

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
using filter	143778.0 Ops/sec
using check before filter	263582.4 Ops/sec
checking amount and if	490328.1 Ops/sec

Script Preparation code:

var participants = {
  "1234": { "hidden": true, "name": "flol" },
  "5678": { "hidden": true, "name": "flol" },
  "9101": { "hidden": true, "name": "flol" },
  "1121": { "hidden": true, "name": "flol" },
  "3141": { "hidden": true, "name": "flol" },
  "5161": { "hidden": true, "name": "flol" },
  "7181": { "hidden": true, "name": "flol" },
  "9202": { "hidden": true, "name": "flol" },
  "1223": { "hidden": true, "name": "flol" },
  "3243": { "hidden": true, "name": "flol" },
  "1": { "hidden": true, "name": "flol" },
  "2": { "hidden": true, "name": "flol" },
  "3": { "hidden": true, "name": "flol" },
  "4": { "hidden": true, "name": "flol" },
  "5": { "hidden": true, "name": "flol" },
  "6": { "hidden": true, "name": "flol" },
  "7": { "hidden": true, "name": "flol" },
  "8": { "hidden": true, "name": "flol" },
  "9": { "hidden": true, "name": "flol" },
  "10": { "hidden": true, "name": "flol" },
  "11": { "hidden": true, "name": "flol" },
  "12": { "hidden": true, "name": "flol" },
  "13": { "hidden": true, "name": "flol" },
  "14": { "hidden": true, "name": "flol" },
  "15": { "hidden": true, "name": "flol" },
  "16": { "hidden": true, "name": "flol" },
  "17": { "hidden": true, "name": "flol" },
  "18": { "hidden": true, "name": "flol" },
  "19": { "hidden": true, "name": "flol" },
  "20": { "hidden": true, "name": "flol" },
  "21": { "hidden": true, "name": "flol" },
  "22": { "hidden": true, "name": "flol" },
  "23": { "hidden": true, "name": "flol" },
  "24": { "hidden": true, "name": "flol" },
  "25": { "hidden": true, "name": "flol" },
  "26": { "hidden": true, "name": "flol" },
  "27": { "hidden": true, "name": "flol" },
  "28": { "hidden": true, "name": "flol" },
  "29": { "hidden": true, "name": "flol" },
  "30": { "hidden": true, "name": "flol" },
  "31": { "hidden": true, "name": "flol" },
  "32": { "hidden": true, "name": "flol" },
  "33": { "hidden": true, "name": "flol" },
  "34": { "hidden": true, "name": "flol" },
  "35": { "hidden": true, "name": "flol" },
  "36": { "hidden": true, "name": "flol" },
  "37": { "hidden": true, "name": "flol" },
  "38": { "hidden": true, "name": "flol" },
  "39": { "hidden": true, "name": "flol" },
  "40": { "hidden": true, "name": "flol" },
  "41": { "hidden": true, "name": "flol" },
  "42": { "hidden": true, "name": "flol" },
  "43": { "hidden": true, "name": "flol" },
  "44": { "hidden": true, "name": "flol" },
  "45": { "hidden": true, "name": "flol" },
  "46": { "hidden": true, "name": "flol" },
  "47": { "hidden": true, "name": "flol" },
  "48": { "hidden": true, "name": "flol" },
  "49": { "hidden": true, "name": "flol" },
  "50": { "hidden": true, "name": "flol" },
  "51": { "hidden": true, "name": "flol" },
  "52": { "hidden": true, "name": "flol" },
  "53": { "hidden": true, "name": "flol" },
  "54": { "hidden": true, "name": "flol" },
  "55": { "hidden": true, "name": "flol" },
  "56": { "hidden": true, "name": "flol" },
};
var currentID = "51";
var noCurrentID = 200;

Tests:

using filter
const allParticipants = Object.keys(participants).filter((id) => id !== currentID); const allParticipants2 = Object.keys(participants).filter((id) => id !== noCurrentID);
using check before filter
if (participants[currentID]) { const allParticipants = Object.keys(participants).filter((id) => id !== currentID); } if (participants[noCurrentID]) { const allParticipants = Object.keys(participants).filter((id) => id !== noCurrentID); }
checking amount and if
const coef = participants[currentID] ? 1 : 0; const amountOfParticipants = Object.keys(participants).length - coef; if (amountOfParticipants === 1) {} else {} const coef2 = participants[noCurrentID] ? 1 : 0; const amountOfParticipants2 = Object.keys(participants).length - coef2; if (amountOfParticipants2 === 1) {} else {}

Run results for: filter vs delete from object

using filter

using check before filter

checking amount and if