非自身網域的連結全部用新分頁開啟

//非自身網域的連結全部用新分頁開啟
add_action( 'wp_head', function () { ?>
    <script>
          window.onload = function() {
            var links = document.links;
            for (var i = 0, linksLength = links.length; i < linksLength; i++) {
              if (links[i].hostname != window.location.hostname) {
                links[i].target = '_blank';
              }
            }
          }
    </script>
<?php } );