Update script.js

script.js

@@ -110,7 +110,27 @@ function startScan() {
     testIPs(ips);
   }, 50)
 }
+function getMeanAndVar(arr) {
 
+    function getVariance(arr, mean) {
+        return arr.reduce(function(pre, cur) {
+            pre = pre + Math.pow((cur - mean), 2);
+            return pre;
+        }, 0)
+    }
+
+    var meanTot = arr.reduce(function(pre, cur) {
+        return pre + cur;
+    })
+    var total = getVariance(arr, meanTot / arr.length);
+
+return{
+  mean: meanTot / arr.length,
+  variance: Math.sqrt(total / arr.length)
+};
+
+
+}
 function processIPs() {
   let ips = [];
   let regex = null;
@@ -206,13 +226,18 @@ async function testIPs(ipList) {
 
     if (testResult === 10 && failedAttempts === 0 && MaxofLatencies <= maxLatency) {
       numberOfWorkingIPs++;
-      validIPs.push({ip: ip, latency: MaxofLatencies, numberOfWorkingIPs: numberOfWorkingIPs});
+      var math = getMeanAndVar(EachFetchLatency);
+      var arr_mean = math.mean;
+      var arr_variance = math.variance;
+      validIPs.push({ip: ip, latency: MaxofLatencies, numberOfWorkingIPs: numberOfWorkingIPs, arr_variance = arr_variance, arr_mean = arr_mean});
       const sortedArr = validIPs.sort((a, b) => a.latency - b.latency);
       const tableRows = sortedArr.map(obj => `
         <tr>
           <td>${obj.numberOfWorkingIPs}</td>
           <td>${obj.ip}</td>
+          <td>${obj.arr_variance}</td>
           <td>${obj.latency}ms</td>
+          <td>${obj.arr_mean}</td>
           <td>
           <button class="btn btn-outline-secondary btn-sm" onclick="copyToClipboard('${obj.ip}')"><img height="16px" src="assets/icon-copy.png" /></button>
           </td>