Run results for: Object vs Dictionary

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 months ago

Object

386K/s

Dictionary

4K/s

View exact numbers

Test name	Executions per second
✓ Object	386,117 Ops/sec
Dictionary	3,806 Ops/sec

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:

Object
const OBJECT = { FIRST: "first", SECOND: "second", THIRD: "third", }; const perform = (item) => item; for (let i = 0; i< 10_000; i++) { perform(OBJECT.first); perform(OBJECT.second); perform(OBJECT.third); }
Dictionary
const proxy = new Proxy({}, { get: (_, p) => p }); const Dictionary = function () { return proxy; }; const DICTIONARY = new Dictionary(); const perform = (item) => item; for (let i = 0; i< 10_000; i++) { perform(DICTIONARY.first); perform(DICTIONARY.second); perform(DICTIONARY.third); }