CSS: check and list all overflow'ed HTML elements

cssCheckOverflowElements.js

// this snippets allow to list all of the elements which overflow page and is wider than HTML <body/>

var docWidth = document.documentElement.offsetWidth;

[].forEach.call(
  document.querySelectorAll('*'),
  (el) => {
    if (el.offsetWidth > docWidth) {
      console.log(el);
    }
  }
);