ignore certain key codes

wwwroot/js/site.js

@@ -22,13 +22,20 @@
 
 $(function () {
 
-    // save after half-second delay after typing
     var timer = null;
-    $('textarea').keyup(function () {
+    let ignoredKeyCodes = [17, 18, 20, 27, 37, 38, 39, 40, 91];
+    
+    // save after half-second delay after typing
+    $('textarea').keyup(function (e) {
+
         clearTimeout(timer);
-        timer = setTimeout(function () {
-            saveContent();
-        }, 1000);
+
+        // only set timer if key isn't ignored
+        if (!ignoredKeyCodes.includes(e.keyCode)) {
+            timer = setTimeout(function () {
+                saveContent();
+            }, 1000);
+        }
     });
 
     // 20 second interval