diff --git a/js-packages/@fortawesome/fontawesome-free/js/all.js b/js-packages/@fortawesome/fontawesome-free/js/all.js
index 05ee4c528..d3fee994c 100644
--- a/js-packages/@fortawesome/fontawesome-free/js/all.js
+++ b/js-packages/@fortawesome/fontawesome-free/js/all.js
@@ -5693,7 +5693,7 @@
 
       rest = parseFloat(rest);
 
-      if (isNaN(rest)) {
+      if (Number.isNaN(rest)) {
         return acc;
       }
 
diff --git a/js-packages/@fortawesome/fontawesome-free/js/all.min.js b/js-packages/@fortawesome/fontawesome-free/js/all.min.js
index d51ce3bc9..5e690de77 100644
--- a/js-packages/@fortawesome/fontawesome-free/js/all.min.js
+++ b/js-packages/@fortawesome/fontawesome-free/js/all.min.js
@@ -3826,7 +3826,7 @@
             var s = l.toLowerCase().split("-"), l = s[0], a = s.slice(1).join("-");
             if (l && "h" === a) return c.flipX = !0, c;
             if (l && "v" === a) return c.flipY = !0, c;
-            if (a = parseFloat(a), isNaN(a)) return c;
+            if (a = parseFloat(a), Number.isNaN(a)) return c;
             switch (l) {
               case "grow":
                 c.size = c.size + a;
diff --git a/js-packages/@fortawesome/fontawesome-free/js/fontawesome.js b/js-packages/@fortawesome/fontawesome-free/js/fontawesome.js
index 7b3675f0e..22ecbb6aa 100644
--- a/js-packages/@fortawesome/fontawesome-free/js/fontawesome.js
+++ b/js-packages/@fortawesome/fontawesome-free/js/fontawesome.js
@@ -2793,7 +2793,7 @@
 
       rest = parseFloat(rest);
 
-      if (isNaN(rest)) {
+      if (Number.isNaN(rest)) {
         return acc;
       }
 
diff --git a/js-packages/@fortawesome/fontawesome-free/js/fontawesome.min.js b/js-packages/@fortawesome/fontawesome-free/js/fontawesome.min.js
index 3f97c428d..5f328a3b7 100644
--- a/js-packages/@fortawesome/fontawesome-free/js/fontawesome.min.js
+++ b/js-packages/@fortawesome/fontawesome-free/js/fontawesome.min.js
@@ -1247,7 +1247,7 @@
             var a = t.toLowerCase().split("-"), t = a[0], e = a.slice(1).join("-");
             if (t && "h" === e) return n.flipX = !0, n;
             if (t && "v" === e) return n.flipY = !0, n;
-            if (e = parseFloat(e), isNaN(e)) return n;
+            if (e = parseFloat(e), Number.isNaN(e)) return n;
             switch (t) {
               case "grow":
                 n.size = n.size + e;
diff --git a/js-packages/@fortawesome/fontawesome-svg-core/index.js b/js-packages/@fortawesome/fontawesome-svg-core/index.js
index 9b273af41..3c0963db2 100644
--- a/js-packages/@fortawesome/fontawesome-svg-core/index.js
+++ b/js-packages/@fortawesome/fontawesome-svg-core/index.js
@@ -2743,7 +2743,7 @@
 
       rest = parseFloat(rest);
 
-      if (isNaN(rest)) {
+      if (Number.isNaN(rest)) {
         return acc;
       }
 
diff --git a/js-packages/@fortawesome/fontawesome-svg-core/index.mjs b/js-packages/@fortawesome/fontawesome-svg-core/index.mjs
index 8d1cc4d53..84e91f59e 100644
--- a/js-packages/@fortawesome/fontawesome-svg-core/index.mjs
+++ b/js-packages/@fortawesome/fontawesome-svg-core/index.mjs
@@ -2732,7 +2732,7 @@ var parseTransformString = function parseTransformString(transformString) {
 
     rest = parseFloat(rest);
 
-    if (isNaN(rest)) {
+    if (Number.isNaN(rest)) {
       return acc;
     }
 
diff --git a/js-packages/@fortawesome/fontawesome-svg-core/plugins.mjs b/js-packages/@fortawesome/fontawesome-svg-core/plugins.mjs
index e6975c1d1..3f6da3cc6 100644
--- a/js-packages/@fortawesome/fontawesome-svg-core/plugins.mjs
+++ b/js-packages/@fortawesome/fontawesome-svg-core/plugins.mjs
@@ -2732,7 +2732,7 @@ var parseTransformString = function parseTransformString(transformString) {
 
     rest = parseFloat(rest);
 
-    if (isNaN(rest)) {
+    if (Number.isNaN(rest)) {
       return acc;
     }
 
diff --git a/js/all.js b/js/all.js
index 05ee4c528..d3fee994c 100644
--- a/js/all.js
+++ b/js/all.js
@@ -5693,7 +5693,7 @@
 
       rest = parseFloat(rest);
 
-      if (isNaN(rest)) {
+      if (Number.isNaN(rest)) {
         return acc;
       }
 
diff --git a/js/all.min.js b/js/all.min.js
index d51ce3bc9..5e690de77 100644
--- a/js/all.min.js
+++ b/js/all.min.js
@@ -3826,7 +3826,7 @@
             var s = l.toLowerCase().split("-"), l = s[0], a = s.slice(1).join("-");
             if (l && "h" === a) return c.flipX = !0, c;
             if (l && "v" === a) return c.flipY = !0, c;
-            if (a = parseFloat(a), isNaN(a)) return c;
+            if (a = parseFloat(a), Number.isNaN(a)) return c;
             switch (l) {
               case "grow":
                 c.size = c.size + a;
diff --git a/js/fontawesome.js b/js/fontawesome.js
index 7b3675f0e..22ecbb6aa 100644
--- a/js/fontawesome.js
+++ b/js/fontawesome.js
@@ -2793,7 +2793,7 @@
 
       rest = parseFloat(rest);
 
-      if (isNaN(rest)) {
+      if (Number.isNaN(rest)) {
         return acc;
       }
 
diff --git a/js/fontawesome.min.js b/js/fontawesome.min.js
index 3f97c428d..5f328a3b7 100644
--- a/js/fontawesome.min.js
+++ b/js/fontawesome.min.js
@@ -1247,7 +1247,7 @@
             var a = t.toLowerCase().split("-"), t = a[0], e = a.slice(1).join("-");
             if (t && "h" === e) return n.flipX = !0, n;
             if (t && "v" === e) return n.flipY = !0, n;
-            if (e = parseFloat(e), isNaN(e)) return n;
+            if (e = parseFloat(e), Number.isNaN(e)) return n;
             switch (t) {
               case "grow":
                 n.size = n.size + e;