Run details:
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36
Chrome 79
Windows 8.1
Desktop
4 years ago
Test name Executions per second
new RegExp() 2714396.2 Ops/sec
Literal 2406546.5 Ops/sec
new RegExp(Literal) 1325366.8 Ops/sec
Script Preparation code:
AخA
 
var reConstructor = new RegExp('^[0-9a-fA-F]{24}$')
var reLiteral = /^[0-9a-fA-F]{24}$/
var reConstLiteral = new RegExp(/^[0-9a-fA-F]{24}$/)
Tests:
  • new RegExp()

     
    reConstructor.test('132abc67219f019afe12901a')
  • Literal

     
    reLiteral.test('132abc67219f019afe12901a')
  • new RegExp(Literal)

     
    var reConstLiteral = new RegExp(/^[0-9a-fA-F]{24}$/)