Run results for: lodash set vs spread conditional merge

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; CLT-L09) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Mobile Safari/537.36 OPR/64.2.3282.60128

Browser: Opera Mobile 64

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
lodash set	357879.9 Ops/sec
spread	186686.1 Ops/sec
just if	95600940.0 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

lodash set
const a = {b:{q: "QWe", w:"ert",e:"ert",r:"ret",t:"rty",y:"werw",u:"ytu",i:"reh",o:"eeh",p:"Weas"}}; _.set(a,".b.c", "what");
spread
const a = {b:{q: "QWe", w:"ert",e:"ert",r:"ret",t:"rty",y:"werw",u:"ytu",i:"reh",o:"eeh",p:"Weas"}}; a.b = { ...a.b, c: "what" };
just if
const a = {b:{q: "QWe", w:"ert",e:"ert",r:"ret",t:"rty",y:"werw",u:"ytu",i:"reh",o:"eeh",p:"Weas"}}; if(a.b){ a.b.c = "what"; }else{ a.b = {c: "what"}; }

Run results for: lodash set vs spread conditional merge

lodash set

spread

just if