DeleteAllTriggers (Google Scripts)

function DeleteAllTriggers() {
  var allTriggers = ScriptApp.getProjectTriggers();
  if(allTriggers.length<1)return Logger.log("list is empty");
  Logger.log("Deleted => "+allTriggers.length);
  for (var i = 0; i < allTriggers.length; i++) {
    ScriptApp.deleteTrigger(allTriggers[i]);
  }
}