Run results for: Map get VS Map has get3

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.4.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Map get	25.3 Ops/sec
Map has get	20.6 Ops/sec

Script Preparation code:

var i = 0, count = 200000, a;
var map = new Map();

for (i = 0; i < count; i++) {
   map.set(i + '_' + '_g' , i);
}

​x
 
var i = 0, count = 200000, a;var map = new Map();​for (i = 0; i < count; i++) {   map.set(i + '_' + '_g' , i);}​​

Tests:

for (i = 0; i < count; i++) {
  a = map.get(i + '_' + '_g');
}

 
for (i = 0; i < count; i++) {  a = map.get(i + '_' + '_g');}

for (i = 0; i < count; i++) {
  let key = i + '_' + '_g';
  if (map.has(key)) {
    a = map.get(key);
  }
}

 
for (i = 0; i < count; i++) {  let key = i + '_' + '_g';  if (map.has(key)) {    a = map.get(key);  }}