Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.find 841.9 Ops/sec
Array.prototype.findIndex 833.7 Ops/sec
Script Preparation code:
x
 
var arr = [];
var i = 0;
while (i <= 1E5) arr[i] = i++;
Tests:
  • Array.prototype.find

     
    const item = arr.find(item => item == 1E5);
  • Array.prototype.findIndex

     
    const index = arr.findIndex(item => item == 1E5);