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Run results for:
Reduce vs map/join with existing strings on an object
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 YaBrowser/25.8.0.0 Safari/537.36
Browser:
Yandex Browser 25
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
for
113745.6 Ops/sec
reduce
133196.6 Ops/sec
map
56198.0 Ops/sec
for of
26970.5 Ops/sec
Script Preparation code:
var strings = []; for (var i=0; i<1000; i++) { strings[i] = { name: 'test' + i }; }
Tests:
for
var result = ""; for (var i=0; i<strings.length; i++) { result = result+';;'+strings[i].name; } result=result.substring(2);
reduce
var result = strings.reduce(function(string, i) { return string+';;'+i.name; }, ""); result=result.substring(2);
map
var result = strings.map(function(i) { return i.name; }).join(';;');
for of
var result = ""; for (var i of strings) { result += ';;' + i; }