Benchmark: Map.delete(key) VS Map.set(key, null)

Script Preparation code:

var map = new Map();
for (let i = 0; i < 1000; i++) {
    map.set(i, {});
}

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Map.delete(key)
Map.set(key, null)

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Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0

Browser/OS: Firefox 100 on Linux

Test name	Executions per second
Map.delete(key)	22506000.0 Ops/sec
Map.set(key, null)	23235830.0 Ops/sec

Map.delete(key) VS Map.set(key, null) (version: 0)