Run results for: delete, spread, filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
Delete object property	7265421.0 Ops/sec
Spread object	6990075.0 Ops/sec
Filter array	7388282.0 Ops/sec

Script Preparation code:

var obj = {
    "1": true,
    "2": true,
    "3": true,
    "4": true,
    "5": true,
    "6": true,
    "7": true,
    "8": true,
    "9": true,
    "10": true,
    "11": true,
    "12": true,
    "13": true,
    "14": true,
    "15": true,
    "16": true,
    "17": true,
    "18": true,
    "19": true,
    "20": true,
    "21": true,
    "22": true,
    "23": true,
    "24": true,
    "25": true,
    "26": true,
    "27": true,
    "28": true,
    "29": true,
    "30": true,
    "31": true,
    "32": true,
    "33": true,
    "34": true,
    "35": true,
    "36": true,
    "37": true,
    "38": true,
    "39": true,
    "40": true,
    "41": true,
    "42": true,
    "43": true,
    "44": true,
    "45": true,
    "46": true,
    "47": true,
    "48": true,
    "49": true,
    "50": true,
    "51": true,
    "52": true,
    "53": true,
    "54": true,
    "55": true,
    "56": true,
    "57": true,
    "58": true,
    "59": true,
    "60": true,
    "61": true,
    "62": true,
    "63": true,
    "64": true,
    "65": true,
    "66": true,
    "67": true,
    "68": true,
    "69": true,
    "70": true,
    "71": true,
    "72": true,
    "73": true,
    "74": true,
    "75": true,
    "76": true,
    "77": true,
    "78": true,
    "79": true,
    "80": true,
    "81": true,
    "82": true,
    "83": true,
    "84": true,
    "85": true,
    "86": true,
    "87": true,
    "88": true,
    "89": true,
    "90": true,
    "91": true,
    "92": true,
    "93": true,
    "94": true,
    "95": true,
    "96": true,
    "97": true,
    "98": true,
    "99": true,
    "100": true,
    "101": true,
    "102": true,
    "103": true,
    "104": true,
    "105": true,
    "106": true,
    "107": true,
    "108": true,
    "109": true,
    "110": true,
    "111": true,
    "112": true,
    "113": true,
    "114": true,
    "115": true,
    "116": true,
    "117": true,
    "118": true,
    "119": true,
    "120": true,
    "121": true,
    "122": true,
    "123": true,
    "124": true,
    "125": true,
    "126": true,
    "127": true,
    "128": true,
    "129": true,
    "130": true,
    "131": true,
    "132": true,
    "133": true,
    "134": true,
    "135": true,
    "136": true,
    "137": true,
    "138": true,
    "139": true,
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    "143": true,
    "144": true,
    "145": true,
    "146": true,
    "147": true,
    "148": true,
    "149": true,
    "150": true,
    "151": true,
    "152": true,
    "153": true,
    "154": true,
    "155": true,
    "156": true,
    "157": true,
    "158": true,
    "159": true,
    "160": true,
    "161": true,
    "162": true,
    "163": true,
    "164": true,
    "165": true,
    "166": true,
    "167": true,
    "168": true,
    "169": true,
    "170": true,
    "171": true,
    "172": true,
    "173": true,
    "174": true,
    "175": true,
    "176": true,
    "177": true,
    "178": true,
    "179": true,
    "180": true,
    "181": true,
    "182": true,
    "183": true,
    "184": true,
    "185": true,
    "186": true,
    "187": true,
    "188": true,
    "189": true,
    "190": true,
    "191": true,
    "192": true,
    "193": true,
    "194": true,
    "195": true,
    "196": true,
    "197": true,
    "198": true,
    "199": true
};

var arr = [];
for (let n = 1; n < 200; n++) arr.push(`${n}`)

Tests:

Delete object property
for (const key in obj) { delete obj[key] }
Spread object
for (const key in obj) { const { [key]: v, ...rest } = data data = rest }
Filter array
for (const key in obj) { arr = arr.filter(x => x !== key) }

Run results for: delete, spread, filter

delete, spread, filter

Delete object property

Spread object

Filter array