More 'proper' way to compare with null

boards/static/js/main.js

@@ -55,7 +55,7 b' function highlightCode(node) {'
 function translate_time(node) {
     var elements;
 
-    if (node == null) {
+    if (node === null) {
         elements = $('time');
     } else {
         elements = node.find('time');