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Run results for:
Object.assign vs for...in...
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Goanna/6.8 PaleMoon/34.0.1
Browser:
Pale Moon (Firefox Variant) 34
Operating system:
Linux
Device Platform:
Desktop
Date tested:
28 days ago
Test name
Executions per second
Object.assign
23215.3 Ops/sec
For in
27326.9 Ops/sec
Script Preparation code:
var target = {}; var obj = {}; for (var i = 0; i < 100; i++) { obj['propp'+i] = ('this is a value ' + i); }
Tests:
Object.assign
Object.assign(target, obj);
For in
for (var key in obj) { target[key] = obj[key]; }