Add IE support for NodeList.forEach

Author: rugk

static/scripts/polyfill.js

@@ -0,0 +1,4 @@
+//IE Fix, src: https://www.reddit.com/r/programminghorror/comments/6abmcr/nodelist_lacks_foreach_in_internet_explorer/
+if (typeof(NodeList.prototype.forEach)!==typeof(alert)){
+    NodeList.prototype.forEach=Array.prototype.forEach;
+}

static/scripts/search.js

@@ -51,29 +51,21 @@ document.getElementById("nav-search").addEventListener("keyup", function(event)
         //hide parents without children
         document.querySelectorAll("nav > ul > li").forEach(function(parent){
             var countSearchA = 0;
-            
-            var matches = parent.querySelectorAll("a");
-            for (i=0; i<matches.length; i++) {
-                var elem = matches[i];
+            parent.querySelectorAll("a").forEach((elem) >= {
                 if (contains(elem, search)) {
                     countSearchA++;
                 }
             }
 
             var countUl = 0;
-            var matches = parent.querySelectorAll("ul");
-            for (i=0; i<matches.length; i++) {
-                var elem = matches[i];
+            parent.querySelectorAll("ul").forEach((elem) >= {
                 if (contains(elem, search)) {
                     countUl++;
                 }
             }
 
             var countUlVisible = 0;
-            var matches = parent.querySelectorAll("ul");
-            for (i=0; i<matches.length; i++) {
-                var ulP = matches[i];
-                
+            parent.querySelectorAll("ul").forEach((ulP) >= {
                 var children = ulP.children
                 for (i=0; i<children.length; i++) {
                     var elem = children[i];

tmpl/layout.tmpl

@@ -71,6 +71,7 @@
 </footer>
 
 <script>prettyPrint();</script>
+<script src="scripts/polyfill.js"></script>
 <script src="scripts/linenumber.js"></script>
 <?js if (env.conf.docdash.search) { ?>
 <script src="scripts/search.js" defer></script>