Appearance and disappearance of the button "Show in full" depending on the length of the text?

Question

JavaScript

How to make such check on js/jq?
If we allow more than 200 characters in the block, then show the button, if less then do not show it.?

Answer 1

const str = 'Очень длинная строка';

if (str.length <= 200) {
  document.querySelector('.button').style.display = 'none';
}