const LENGHT = 35; function limitString(str) { len = str.length; if (len > LENGHT) { return str.substr(0, (LENGHT - 3)) + '...'; } else { return str; } } document.querySelectorAll('.trim-that a').forEach(function (i) { i.textContent = limitString(i.textContent); }); document.querySelectorAll('.limit').forEach(function (i) { i.textContent = limitString(i.textContent); });