Check if class exists somewhere in parent - vanilla JS

Question

I\'m really struggling to see how to do this. I want to check if a class exsits somewhere in one of the parent elements of an element.

I don\'t want to use any libra

Answer 1

You can use some and contains to achieve the result:

function hasParentWithMatchingSelector (target, selector) {
  return [...document.querySelectorAll(selector)].some(el =>
    el !== target && el.contains(target)
  )
}

// usage
hasParentWithMatchingSelector(myElement, '.some-class-name');