Run results for: replace vs. replaceAll

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Variable replace	2215343.2 Ops/sec
Replace	3105862.2 Ops/sec
ReplaceAll	2621596.8 Ops/sec

Script Preparation code:

window.data = `
  <html>
    <body>
      <h1>testing</h1>
      &#60418; code here &#60419;
      <div>test</div>
       &#60418; code here &#60419;
       <div>test</div>
       <p><span>testing</span></p>
      &#60418; code here &#60419;
    </body>
  </html>
`
window.reg1 = /&#60418;/g
window.reg2 = /&#60419;/g

Tests:

Variable replace
data .replace(reg1, '') .replace(reg2, '')
Replace
data .replace(//g, '') .replace(//g, '')
ReplaceAll
data .replaceAll('', '') .replaceAll('', '')

Run results for: replace vs. replaceAll

Uses 2 replaces

Variable replace

Replace

ReplaceAll