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Run results for:
Delete vs set undefined
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Linux
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
Delete
22543534.0 Ops/sec
Set undefined
351057472.0 Ops/sec
Script Preparation code:
var obj = {a:1, b:2, c:3, d:4};
Tests:
Delete
delete obj.a; delete obj.b; delete obj.c; delete obj.d;
Set undefined
obj.a = undefined; obj.b = undefined; obj.c = undefined; obj.d = undefined;