Benchmark: Array.find vs Map

Script Preparation code:

var list = []
var map = new Map();
var SIZE = 1000;

for (let i = 0; i < SIZE; i++) {
    const item = { id: "ID-" + i, value: i};
    list.push(item)
    map.set(item.id, item)
}

Tests:

Array.find performance
for (var i = 0; i < SIZE; i++) { const result = list.find((item) => item.id === "ID-" + i); }
Map.get performance
for (let i = 0; i < SIZE; i++) { const result = map.get("ID-" + i); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.find performance
Map.get performance

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.50

Browser/OS: Chrome 110 on Windows

View result in a separate tab

Test name	Executions per second
Array.find performance	123.4 Ops/sec
Map.get performance	6965.2 Ops/sec

Array.find vs Map (version: 0)

Comparing performance of: Array.find performance vs Map.get performance

Created: one year ago by: Guest

Jump to the latest result

Array.find performance

Map.get performance

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A