Benchmark: Omit in loop vs Delete vs pure delete

Script Preparation code:

data = { a:'koko',b:'koko',c:'koko',d:'koko',e:'koko',f:'koko',g:'koko',h:'koko',i:'koko',x:'asd' }

Tests:

Omit
function removeByOmit(entities,itemId) { const out = {}; Object.keys(entities).forEach(k => { if (k !== itemId) { out[k] = entities[k]; } }); return out; }; removeByOmit(data, 'f');
Delete
function removeByDelete(entities,itemId) { delete entities[itemId]; }; removeByDelete(data, 'f');
Pure delete
function removeByDeletePure(entities,itemId) { const out = {...entities}; delete out[itemId]; return out; }; removeByDeletePure(data, 'f');

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 11 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

Browser/OS: Chrome 113 on Mac OS X 10.15.7

Omit in loop vs Delete vs pure delete (version: 0)