Benchmark: Test join vs concat string

HTML Preparation code:

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

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

concat
const sep = ',' const q = 'a' + sep + 'b' + sep + 'c'
join
const arr = ['a', 'b', 'c'] const q2 = arr.join(',')
concat 2x
const sep = ',' const q = 'a' + sep + 'b' + sep + 'c' + 'a' + sep + 'b' + sep + 'c'
join 2x
const arr = ['a', 'b', 'c', 'a', 'b', 'c'] const q2 = arr.join(',')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
concat
join
concat 2x
join 2x

Fastest: N/A

Slowest: N/A

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/134.0.0.0 Safari/537.36

Browser/OS: Chrome 134 on Windows

View result in a separate tab

Test name	Executions per second
concat	129887552.0 Ops/sec
join	9661815.0 Ops/sec
concat 2x	125135880.0 Ops/sec
join 2x	6374048.5 Ops/sec

Related benchmarks:

Test join vs concat string (version: 1)

Comparing performance of: concat vs join vs concat 2x vs join 2x

Created: one year ago by: Registered User

Jump to the latest result

concat

join

concat 2x

join 2x

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A