polling demo

Controllers/ApiController.cs

@@ -14,6 +14,10 @@ public class ApiController : ControllerBase
         this.noteService = noteService;
     }
 
+    [HttpGet]
+    [Route("get")]
+    public string Get() => noteService.Get();
+
     [HttpPost]
     [Route("save")]
     public async Task<bool> Save()

wwwroot/js/site.js

@@ -20,6 +20,18 @@
     });
 };
 
+var poller = null;
+
+let pollJob = function () {
+
+    poller = setInterval(function () {
+
+        $.get('/api/get', function (content) {
+            $('textarea').val(content);
+        });
+    }, 30000);
+}
+
 $(function () {
 
     // set dark mode
@@ -28,18 +40,26 @@ $(function () {
     }
 
     var timer = null;
+    
     let ignoredKeyCodes = [17, 18, 20, 27, 37, 38, 39, 40, 91];
 
+    // start polling
+    pollJob();
+    
     // save after half-second delay after typing
     $('textarea').keyup(function (e) {
 
         clearTimeout(timer);
+        clearInterval(poller);
 
         // only set timer if key isn't ignored
         if (!ignoredKeyCodes.includes(e.keyCode)) {
+
             timer = setTimeout(function () {
                 saveContent();
             }, 1000);
+
+            pollJob();
         }
     });