Benchmark: Object.values() vs Array.from(Map.values())

HTML Preparation code:

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

Script Preparation code:

function generateID(length = 10) {
    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    let result = '';
    const charactersLength = characters.length;
    
    for (let i = 0; i < length; i++) {
        // Generate a random index based on characters length
        const randomIndex = Math.floor(Math.random() * charactersLength);
        // Append the character at the random index to the result string
        result += characters[randomIndex];
    }

    return result;
}

const obj = {};
const map = new Map();

for (let i = 0; i < 1000; i++) {
	const id = generateID();
	obj[id] = { key: id };
	map.set(id, { key: id });
}

Tests:

Object.values()
const result = Object.values(obj);
Array.from(Map.values())
const result = Array.from(map.values());

Historical Performance Data aggregated from 8 community runs

Desktop Results:

Chrome 8 runs

Array.from(Map.values())

449K/s

Object.values()

8K/s

Fastest: Array.from(Map.values()) (59.7x faster)

View exact numbers

✓ Array.from(Map.values()): 448,915 ops/sec
• Object.values(): 7,522 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object.values()
Array.from(Map.values())

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser/OS: Firefox 146 on Ubuntu

View result in a separate tab

Object.values()

188K/s

Array.from(Map.values())

106K/s

View exact numbers

Test name	Executions per second
✓ Object.values()	187,731 Ops/sec
Array.from(Map.values())	105,604 Ops/sec

Object.values() vs Array.from(Map.values()) (version: 1)

Comparing performance of: `Object.values() vs Array.from(Map.values())`

Created: one year ago by: Guest

Go to the latest result

Object.values()

Array.from(Map.values())

Historical Performance Data aggregated from 8 community runs

Desktop Results:

Chrome 8 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Object.values() vs Array.from(Map.values()) (version: 1)

Comparing performance of: Object.values() vs Array.from(Map.values())

Created: one year ago by: Guest

Go to the latest result

Object.values()

Array.from(Map.values())

Historical Performance Data aggregated from 8 community runs

Desktop Results:

Chrome 8 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `Object.values() vs Array.from(Map.values())`