Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The type read-only property of the CSSPseudoElement interface returns the type of the pseudo-element as a string, represented in the form of a CSS selector.
A string representing the type of pseudo-element represented by the CSSPseudoElement. Possible values are:
The example below demonstrates the relationship between CSSPseudoElement.type and Element.pseudo():
const myElement = document.querySelector("q");
const mySelector = "::after";
const cssPseudoElement = myElement.pseudo(mySelector);
const typeOfPseudoElement = cssPseudoElement.type;
console.log(mySelector === typeOfPseudoElement); // Outputs true