Run results for: New Variable of Result of Mutating Method vs. Same Variable

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Control Case (not creating a new variable)	10343300.0 Ops/sec
Save Result in New Variable	10113140.0 Ops/sec

Script Preparation code:

var array = ["he", "ll", "o", " w", "or", "ld", "!"];

Tests: