diff --git a/static/js/checkFloat.js b/static/js/checkFloat.js
new file mode 100644
index 00000000..daa5a50f
--- /dev/null
+++ b/static/js/checkFloat.js
@@ -0,0 +1,7 @@
+function checkFloat(string) {
+  try {
+    return isNaN(parseFloat(string))
+  } catch (error) {
+    return false
+  }
+}
\ No newline at end of file