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Run results for:
map get vs object get by key
map get vs object get by key
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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/147.0.0.0 Safari/537.36
Browser:
Chrome 147
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
map get
8832.6 Ops/sec
object by key
13703.6 Ops/sec
Script Preparation code:
var map = new Map(); var obj = {}; var j = 0; while (j < 10000) { var key = "Key_" + j; map.set(key, 5); obj[key] = 5; j += 1; } var stringKey = 'asdfasdjfa;sjfjaklfjklsjklajjjj;jlsjfajdfsfjs;fjsfka'; var i = 0, count = 1000, a;
Tests:
map get
for (i = 0; i < count; i++) { a = map.get('Key_' + i); }
object by key
for (i = 0; i < count; i++) { a = obj['Key_' + i]; }