Find out if any elements are wider that the screen size.

sizecheck.js

  function findElementsLargerThanScreen() {
    var elements = document.querySelectorAll('*')
    for (var i = 0; i < elements.length; i++) {
      var elementWidthInt = 0;
      var elementWidth = window.getComputedStyle(elements[i], null).width
      if (elementWidth !== 'auto') {
        elementWidthInt = parseFloat(elementWidth.replace('px', ''));
        if (elementWidthInt > screen.width) {
          console.log(elementWidthInt)
        } else {
          console.log('no')
        }
      }
    }
  }
  findElementsLargerThanScreen()

  document.addEventListener('click', findElementsLargerThanScreen)