Run results for: Map.foreach vs Map.for..of with func

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Browser: Chrome 93

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
foreach	7032.3 Ops/sec
for..of	6671.7 Ops/sec

Script Preparation code:

var mapV = new Map([[1, 1], [2, 1],[3, 1],[4, 1],[5, 1],[6, 1],[7, 1],[8, 1],[9, 1],[10, 1],[11, 1],[12, 1],[13, 1],[14, 1],[15, 1],[16, 1],[17, 1],[18, 1],[19, 1],[20, 1],[21, 1],[22, 1],[23, 1],[24, 1],[25, 1]]);

Tests:

foreach
mapV.forEach(function(value, key) { console.info(value + key); });
for..of
for (var [key, value] of mapV) { console.info(value + key); }

Run results for: Map.foreach vs Map.for..of with func

Compare loop performance

foreach

for..of