text: const flipTriangle = (e) => {
      console.log(e);
      //e.target.classList.toggle("arrow-down");
      //e.target.classList.toggle("arrow-up");
  };
  
  const css = (element, property) => {
      return window.getComputedStyle(element, null).getPropertyValue(property);
  };
  
  const onLoad = () => {
      let span = document.createElement("span");
      console.log("Hello World");
  
      span.className = "fa";
      span.style.display = "none";
      document.body.insertBefore(span, document.body.firstChild);
  
      if (css(span, "font-family") !== "FontAwesome") {
          // add a local fallback
          console.log("FontAwesome not found");
      }
      document.body.removeChild(span);
  };
  
  window.onload = onLoad();
  