Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0
Firefox 108
Windows
Desktop
2 years ago
Test name Executions per second
Push 2849.9 Ops/sec
Join 11596.8 Ops/sec
Script Preparation code:
AخA
 
var strs = Array.from(new Array(10000)).map(() => 'String concat. ')
var result = []
Tests:
  • Push

     
    for (let i = 0; i < strs.length; i++) {
      result.push(strs[i])
    }
  • Join

     
    result = strs.map((a) => a)