Express addition

node_modules/core-js/modules/es6.string.link.js

@@ -0,0 +1,7 @@
+'use strict';
+// B.2.3.10 String.prototype.link(url)
+require('./_string-html')('link', function (createHTML) {
+  return function link(url) {
+    return createHTML(this, 'a', 'href', url);
+  };
+});