element selector to get all elements with a given style property value

getElementsByStyleProperty.js

/*
  Warning: This way is for sure not performant
*/
document.getElementsByStyleProperty = function(property, value){
  var allBodyElements = document.body.querySelectorAll("*");
  var selectedElements = [];
  var allBodyElementsLength = allBodyElements.length;
    for (var i = 0; i < allBodyElementsLength; ++i) {
      if (Extend.getStyleProperty(allBodyElements[i], property) == value) {
        selectedElements.push(allBodyElements[i]);
      }
    }
  return selectedElements;
}

/*
  document.getElementsByStyleProperty('font-size', '15px') => all elements with an 15px font size
*/