Run results for: Array vs Object Search

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Array	545497.5 Ops/sec
Object	345838.5 Ops/sec

Script Preparation code:

var list = [];
var obj = {};

for (var i = 0; i < 10; i++) {
        list[i] = `Testing...${i}`
        obj[`Testing...${i}`] = `Testing...${i}`
    }

Tests:

Array
for (var i = 0; i < 10; i++) { const a = `Testing...${i}` for (var z = 0; i < 10; i++) { if (a === list[z]) break; } }
Object
for (var i = 0; i < 10; i++) { const a = obj[`Testing...${i}`] }