Benchmark: sample normal vs Object.freeze vs Object.seal performance

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:

normal
var normal = { A: "aa", B: "bb", C: "cc", D: "dd", E: "ee", F: "ff", G: "gg", H: "hh", I: "ii", J: "jj", K: "kk", L: "ll" };
freeze
var freeze = Object.freeze({ A: "aa", B: "bb", C: "cc", D: "dd", E: "ee", F: "ff", G: "gg", H: "hh", I: "ii", J: "jj", K: "kk", L: "ll" });
seal
var seal = Object.seal({ A: "aa", B: "bb", C: "cc", D: "dd", E: "ee", F: "ff", G: "gg", H: "hh", I: "ii", J: "jj", K: "kk", L: "ll" });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
normal
freeze
seal

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Chrome OS 14541.0.0

View result in a separate tab

Test name	Executions per second
normal	63445984.0 Ops/sec
freeze	9618287.0 Ops/sec
seal	9965352.0 Ops/sec

Related benchmarks:

sample normal vs Object.freeze vs Object.seal performance (version: 1)

Comparing performance of: normal vs freeze vs seal

Created: one year ago by: Guest

Jump to the latest result

normal

freeze

seal

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A