How to put an exclamation point in the selected option in the select?

Question

JavaScript

not selected. for example - minus
https://jsfiddle.net/gfoyL2dj/

Answer 1

document.querySelectorAll('#select option').forEach(n =>
  if (n.selected == true) {
    n.textContent += n.value + '!';
  } else {
    n.textContent += n.value + '-';
  }
)

^
the biggest mistake was that everything after the arrow had to be wrapped in { }, because this is the text of the function, and it should be in brackets