Benchmark: IndexOf LodashVsLoopBased

HTML Preparation code:

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

Script Preparation code:

var collection=[],i;
var toCheck=[];
for(i=0;i<10000;i++){
  let a=Math.floor(Math.random()*1000)+1;
  let b=Math.floor(Math.random()*100)+1;
  let c=Math.floor(Math.random()*10)+1;
  let d=Math.floor(Math.random()*10000)+1;
  if(i==5000)
    toCheck=["a",a ,"b",b];
  collection.push({"a":a,"b":b,"c":c,"d":d});
}

var indexOf  = (function(){
  	var isArray = Array.isArray;
    return function(collection,predicate,fromIndex){
       	let catchedElemIndex = -1;
      	if(!isArray(collection)) return -1;
      	let len = collection.length;
      	let startIndex = (fromIndex === undefined)?0:((fromIndex+len)%len);
        if(typeof(predicate) === 'function'){
            for(let i=startIndex;i<len;i++){
                if(predicate(collection[i]) === true){
                    catchedElemIndex = i;
                    break;
                }
            }
        }
        else if(isArray(predicate)){
           for(let i=startIndex;i<len;i++){
				if(collection[i][predicate[0]] === predicate[1]){
                     catchedElemIndex = i;
                     break;
                }
           }
        }
        else{
          	var toCheck = predicate;
            for(let i=startIndex;i<len;i++){
                if(collection[i].hasOwnProperty(toCheck)){
                    catchedElemIndex = i;
                    break;
                }
            }
        }
        return catchedElemIndex;
    }
}());

Tests:

Lodash
_.findIndex(collection,toCheck);
ClosureBased
indexOf(collection,toCheck);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
ClosureBased

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser/OS: Chrome 83 on Windows

View result in a separate tab

Test name	Executions per second
Lodash	118057.4 Ops/sec
ClosureBased	279932.4 Ops/sec

IndexOf LodashVsLoopBased (version: 0)

Comparing performance of: Lodash vs ClosureBased

Created: 3 years ago by: Registered User

Jump to the latest result

Lodash

ClosureBased

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A