diff --git a/src/config.jsx b/src/config.jsx
index 078aa07..ead9c87 100644
--- a/src/config.jsx
+++ b/src/config.jsx
@@ -129,7 +129,7 @@ class GeneralConfig extends React.Component {
             for (const i in ob) {
                 if (!Object.prototype.hasOwnProperty.call(ob, i)) continue;
 
-                if ((typeof ob[i]) == 'object') {
+                if ((typeof ob[i]) === 'object') {
                     const flatObject = flattenObject(ob[i]);
                     for (const x in flatObject) {
                         if (!Object.prototype.hasOwnProperty.call(flatObject, x)) continue;
diff --git a/src/player.jsx b/src/player.jsx
index 0e2c9ca..ff48419 100644
--- a/src/player.jsx
+++ b/src/player.jsx
@@ -246,7 +246,7 @@ const PacketBuffer = class {
             this.reportError("\"" + field + "\" field is missing");
         }
         const value = object[field];
-        if (typeof (value) != typeof (type)) {
+        if (typeof (value) !== typeof (type)) {
             this.reportError("invalid \"" + field + "\" field type: " + typeof (value));
         }
         return value;
diff --git a/src/recordings.jsx b/src/recordings.jsx
index 092c0ec..dab95e9 100644
--- a/src/recordings.jsx
+++ b/src/recordings.jsx
@@ -137,7 +137,7 @@ function LogElement(props) {
     const cursor = entry.__CURSOR;
     const entry_timestamp = parseInt(entry.__REALTIME_TIMESTAMP / 1000);
 
-    const timeClick = function(_e) {
+    const timeClick = (_e) => {
         const ts = entry_timestamp - start;
         if (ts > 0) {
             props.onJumpToTs(ts);