Benchmark: Spread vs Assign benchmark 2

Tests:

Basic object spread
const obj = { foo: 1, bar: 2 }; const finalObject = { baz: 3, ...obj };
Basic assign operator
const obj = { foo: 1, bar: 2 }; const finalObject = Object.assign({baz: 3}, obj);
Assign with empty object
const obj = { foo: 1, bar: 2 }; Object.assign({}, obj, { baz: 3 });
Spread operator with two existing objects
const obj = { foo: 1, bar: 2 }; const obj2 = { baz: 3 }; const finalObject = {...obj2, ...obj };
Object assign with two existing objects
const obj = { foo: 1, bar: 2 }; const obj2 = { baz: 3 }; const finalObject = Object.assign(obj2, obj );

Rendered benchmark preparation results:

Previous results

Test case name	Result
Basic object spread
Basic assign operator
Assign with empty object
Spread operator with two existing objects
Object assign with two existing objects

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Linux; Android 5.1.1; SM-J200H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.105 Mobile Safari/537.36

Browser/OS: Chrome Mobile 89 on Android 5.1.1

Test name	Executions per second
Basic object spread	640396.3 Ops/sec
Basic assign operator	232981.8 Ops/sec
Assign with empty object	208497.2 Ops/sec
Spread operator with two existing objects	44896.6 Ops/sec
Object assign with two existing objects	260082.2 Ops/sec

Spread vs Assign benchmark 2 (version: 0)