Run results for: Immutable to Mutable

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
With Serialization	243283.7 Ops/sec
Spread	20217848.0 Ops/sec

Tests:

With Serialization
const data = [ { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, } ]; const newData = JSON.parse(JSON.stringify(data));
Spread
const data = [ { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, }, { name: "David", age: 16000, } ]; const newData = [...data];