make external links open in new tab

templates/_default/base.html

@@ -22,6 +22,19 @@
     // Insert Twitter Pixel ID and Standard Event data below
     twq('init', 'o745b');
     twq('track', 'PageView');
+
+
+    // makes all links outside of hostname open in new tab
+    // from: https://stackoverflow.com/a/4425214
+    var links = document.links;
+    console.log(links)
+    for (var i = 0, linksLength = links.length; i < linksLength; i++) {
+
+        if (links[i].hostname != window.location.hostname) {
+            links[i].target = '_blank';
+        }
+
+    }
   </script>
   <!-- End Twitter universal website tag code -->