Run results for: string concat bla

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
string + id concact	9588.1 Ops/sec
first string then id	32021.3 Ops/sec

Script Preparation code:

var names = ["result_", "report_", "session", "result_", "report_", "session","result_", "report_", "session","result_", "report_", "session","result_", "report_", "session","result_", "report_", "session","result_", "report_", "session"];
var map = new Map();

for (var i = 0; i < 50; i++) {
    var key = names[i] + (i + 1);
    var value = Math.floor(Math.random() * 1001); // Generate random value between 0 and 1000
    map.set(key, value);
}

var map2 = {};
map2["result_"] = new Set([0,1,2,3,4,5,6,7,8,9,10,11,12,13]);
map2["report_"] = new Set([0,1,2,3,4,5,6,7,8,9,10,11,12,13]);
map2["session"] = new Set([0,1,2,3,4,5,6,7,8,9,10,11,12,13]);

Tests:

string + id concact
for (var i = 0; i < 333; i++) { const key = `$result_${i}`; const result = map[key]; } for (var i = 0; i < 333; i++) { const key = `$report_${i}`; const result = map[key]; } for (var i = 0; i < 333; i++) { const key = `$session_${i}`; const result = map[key]; }
first string then id
for (var i = 0; i < 333; i++) { const result1 = map["result_"]; if (result1) { const result = result1.get(i); } } for (var i = 0; i < 333; i++) { const result1 = map["report_"]; if (result1) { const result = result1.get(i); } } for (var i = 0; i < 333; i++) { const result1 = map["session_"]; if (result1) { const result = result1.get(i); } }

Run results for: string concat bla

string + id concact

first string then id