MeasureThat.net

Run results for: lodash difference vs ES6 Set (large set)

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Chrome 123
Linux
Desktop
one year ago
Test name Executions per second
_difference 1505.1 Ops/sec
Set/Filter 1762.5 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
​x
 
var arr1 = [];
for(let i = 0; i < 10000; i++) {
  arr1.push('' + i);
}
​
var arr2 = [];
for(let i = 499; i >= 0; i--) {
  arr2.push('' + i);
}
Tests:

  • _difference

     
    const finalArray1 = _.difference(arr1, arr2)
    const finalArray2 = _.difference(arr2, arr1)
    ​

  • Set/Filter

     
    const outList2 = new Set([...arr2]);
    const outList1 = new Set([...arr1]);
    const finalArray1 = arr1.filter(value => !outList2.has(value));
    const finalArray2 = arr2.filter(value => !outList1.has(value));
    ​