Run results for: Foreach vs Spread

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.106 Safari/537.36 Edg/80.0.361.54

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Foreach	727411.2 Ops/sec
Spread	863755.1 Ops/sec

Tests:

Foreach
var a = new Map(); a.set("a", 12345); a.set("b", 45678); a.set("c", 13579); a.set("d", 24680); a.set("e", 09876); a.set("f", 54321); a.set("g", 12121); a.set("h", 23232); a.set("i", 45454); var b = []; a.forEach((c) => b.push(c));
Spread
var a = new Map(); a.set("a", 12345); a.set("b", 45678); a.set("c", 13579); a.set("d", 24680); a.set("e", 09876); a.set("f", 54321); a.set("g", 12121); a.set("h", 23232); a.set("i", 45454); var b = []; b = [...b, ...a ];