Benchmark: toString vs concatenation

Script Preparation code:

var obj={
  one: 'one',
  two: 'two',
  three: 'three',
  toString: () => {
    out="";
    for (var s in this)
    {
      if (typeof s == 'string')
      {
        out+=s
      }
      else
      {
        out+=s.toString()
      }
    }
  }
}

Tests:

toString
obj.toString();
concatenation
obj+"";

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
toString
concatenation

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (X11; FreeBSD amd64; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser/OS: Chrome 83 on FreeBSD

View result in a separate tab

Test name	Executions per second
toString	115115.4 Ops/sec
concatenation	113340.5 Ops/sec

toString vs concatenation (version: 0)

Comparing performance of: toString vs concatenation

Created: 3 years ago by: Registered User

Jump to the latest result

toString

concatenation

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A