Run results for: Map get VS Map has get - KShitij

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Map 1	5387.6 Ops/sec
Map 2	5479.3 Ops/sec

Script Preparation code:

var i = 0, count = 1000, a;
var map = new Map();

for (i = 0; i < count; i++) {
  if (Math.random() > 0.5) {
    map.set(i, {
  "compilerOptions": {
    "lib": ["esnext", "dom"],
    "target": "esnext",
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "strict": true,
    "moduleResolution": "node",
    "noEmit": true
  }
}
);
  }
}

Tests:

Map 1
for (i = 0; i < count; i++) { a = map.get(i); }
Map 2
for (i = 0; i < count; i++) { if (map.has(i)) { a = map.get(i); } }

Run results for: Map get VS Map has get - KShitij

Map get VS Map has get

Map 1

Map 2