test

function openExternalPageInNewTab() {
  $('a[href]').each((i, elem) => {
    var url = elem.href.match(/(?:https?:\/\/([\w:%#\$&\?\(\)~\.=\+\-]+))?(\/?[\w/:%#\$&\?\(\)~\.=\+\-]+)/);
    if (url[1] !== undefined && url[1] !== document.domain) {
      elem.target = '_blank';
    }
  });
}
$(function() {
  var functions = [
    openExternalPageInNewTab,
  ];
  for (var i in functions) {
    functions[i]();
  }
});