How to get a DOM element’s ::before content with JavaScript?

September 13, 2023 by Tarik

Pass ":before" as the second parameter to window.getComputedStyle():

console.log(getComputedStyle(document.querySelector('p'), ':before').getPropertyValue('content'));

p::before,
p::after {
  content: ' Test ';
}

<p>Lorem Ipsum</p>