diff --git a/package-lock.json b/package-lock.json
index 539b10c..649d71c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,16 +13,16 @@
       "integrity": "sha512-tbx5cHubwE6e2ZG7nqM3g/FZ5PQEDMWmMGNrCUBVRPHXTJaH7CBDdsLeu3eCh3B1tzAxTnAbtmrzvWEvT2NNEA=="
     },
     "codemirror": {
-      "version": "5.52.2",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.52.2.tgz",
-      "integrity": "sha512-WCGCixNUck2HGvY8/ZNI1jYfxPG5cRHv0VjmWuNzbtCLz8qYA5d+je4QhSSCtCaagyeOwMi/HmmPTjBgiTm2lQ=="
+      "version": "5.53.2",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.53.2.tgz",
+      "integrity": "sha512-wvSQKS4E+P8Fxn/AQ+tQtJnF1qH5UOlxtugFLpubEZ5jcdH2iXTVinb+Xc/4QjshuOxRm4fUsU2QPF1JJKiyXA=="
     },
     "datatables": {
       "version": "1.10.18",
       "resolved": "https://registry.npmjs.org/datatables/-/datatables-1.10.18.tgz",
       "integrity": "sha512-ntatMgS9NN6UMpwbmO+QkYJuKlVeMA2Mi0Gu/QxyIh+dW7ZjLSDhPT2tWlzjpIWEkDYgieDzS9Nu7bdQCW0sbQ==",
       "requires": {
-        "jquery": "3.5.0"
+        "jquery": ">=1.7"
       }
     },
     "jquery": {
@@ -39,6 +39,11 @@
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.16.1.tgz",
       "integrity": "sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ=="
+    },
+    "underscore": {
+      "version": "1.10.2",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.10.2.tgz",
+      "integrity": "sha512-N4P+Q/BuyuEKFJ43B9gYuOj4TQUHXX+j2FqguVOpjkssLUUrnJofCcBccJSCoeturDoZU6GorDTHSvUDlSQbTg=="
     }
   }
 }
diff --git a/package.json b/package.json
index 230fd55..b0423c8 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,11 @@
     "dependencies": {
         "@fortawesome/fontawesome-free": "^5.13.0",
         "bootstrap": "^4.4.1",
-        "codemirror": "^5.52.2",
+        "codemirror": "^5.53.2",
         "datatables": "^1.10",
         "jquery": "^3.5.0",
         "mathjax": "^3.0.5",
-        "popper.js": "^1.16.1"
+        "popper.js": "^1.16.1",
+        "underscore": "^1.10"
     }
 }
diff --git a/perguntations/static/js/detect_unfocus.js b/perguntations/static/js/detect_unfocus.js
index f109e84..aceb763 100644
--- a/perguntations/static/js/detect_unfocus.js
+++ b/perguntations/static/js/detect_unfocus.js
@@ -31,24 +31,10 @@ $(document).ready(function() {
         });
     });
 
-    $(window).resize(function(){
+    $(window).resize(_.debounce(function(){
         $.postJSON("/studentwebservice", {
             "cmd": "size",
             "value": JSON.stringify([screen.height, screen.width, $(window).height(), $(window).width()]),
         });
-
-
-    //     // var n = $(window).scrollTop();
-    //     $.postJSON({"/studentwebservice", {
-    //         "cmd": "size",
-    //         "value": JSON.stringify([screen.height, screen.width, $(window).height(), $(window).width()]),
-    //     }});
-    //     //     data: {
-    //     //         "cmd": "resize",
-    //     //         "name": $("#number").text(),
-    //     //         "scroll": n
-    //     //     }
-    //     // });
-    });
-
+    }, 1000));
 });
diff --git a/perguntations/static/underscore b/perguntations/static/underscore
new file mode 120000
index 0000000..34604b0
--- /dev/null
+++ b/perguntations/static/underscore
@@ -0,0 +1 @@
+../../node_modules/underscore
\ No newline at end of file
diff --git a/perguntations/templates/test.html b/perguntations/templates/test.html
index e117f0c..bc38c36 100644
--- a/perguntations/templates/test.html
+++ b/perguntations/templates/test.html
@@ -24,6 +24,7 @@
   <script defer src="/static/popper.js/popper.min.js"></script>
   <script defer src="/static/fontawesome-free/js/all.min.js"></script>
   <script defer src="/static/bootstrap/js/bootstrap.min.js"></script>
+  <script defer src="/static/underscore/underscore-min.js"></script>
   <script src="/static/codemirror/lib/codemirror.js"></script>
   <script src="/static/codemirror/addon/selection/active-line.js"></script>
   <script src="/static/codemirror/addon/edit/matchbrackets.js"></script>
--
libgit2 0.21.2