Run results for: Performance when getting innerHTML vs innerText vs textContent

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

innerHtml

779K/s

textContent

2K/s

innerText

106/s

View exact numbers

HTML Preparation code:


<div id='hello'>Hello, World!</div>

Script Preparation code:

let el = document.querySelector("#hello");
for(let i=0;i<10;i++) {
  el.innerText = el.innerText + el.innerText;
}

Tests:

innerText
let i = 100; let el = document.querySelector("#hello"); let thing = ''; while (i--) { thing += el.innerText; }
innerHtml
let i = 100; let el = document.querySelector("#hello"); let thing = ''; while (i--) { thing += el.innerHtml; }
textContent
let i = 100; let el = document.querySelector("#hello"); let thing = ''; while (i--) { thing += el.textContent; }