add docstring for new getElementValue function

reflex/.templates/web/utils/state.js

@@ -860,23 +860,32 @@ export const getRefValue = (ref) => {
   if (!ref || !ref.current) {
     return;
   }
-  if (ref.current.type == "checkbox") {
-    return ref.current.checked; // chakra
+  return getElementValue(ref.current)
+}
+
+/**
+ * Get the form submission value for a given element.
+ * @param el The element to get the value from.
+ * @returns The value.
+ */
+export const getElementValue = (el) => {
+  if (el.type == "checkbox") {
+    return el.checked; // chakra
   } else if (
-    ref.current.className?.includes("rt-CheckboxRoot") ||
-    ref.current.className?.includes("rt-SwitchRoot")
+    el.className?.includes("rt-CheckboxRoot") ||
+    el.className?.includes("rt-SwitchRoot")
   ) {
-    return ref.current.ariaChecked == "true"; // radix
-  } else if (ref.current.className?.includes("rt-SliderRoot")) {
+    return el.ariaChecked == "true"; // radix
+  } else if (el.className?.includes("rt-SliderRoot")) {
     // find the actual slider
-    return ref.current.querySelector(".rt-SliderThumb")?.ariaValueNow;
+    return el.querySelector(".rt-SliderThumb")?.ariaValueNow;
   } else {
     //querySelector(":checked") is needed to get value from radio_group
     return (
-      ref.current.value ||
-      (ref.current.querySelector &&
-        ref.current.querySelector(":checked") &&
-        ref.current.querySelector(":checked")?.value)
+      el.value ||
+      (el.querySelector &&
+        el.querySelector(":checked") &&
+        el.querySelector(":checked")?.value)
     );
   }
 };

reflex/components/el/elements/forms.py

@@ -29,7 +29,11 @@ HANDLE_SUBMIT_JS_JINJA2 = Environment().from_string(
     const handleSubmit_{{ handle_submit_unique_name }} = useCallback((ev) => {
         const $form = ev.target
         ev.preventDefault()
-        const {{ form_data }} = {...Object.fromEntries(new FormData($form).entries()), ...{{ field_ref_mapping }}};
+        const {{ form_data }} = {
+            ...Object.fromEntries(new FormData($form).entries()),
+            ...{{ field_ref_mapping }},
+            ...Object.fromEntries(Array.from($form.children).filter(el => el.name).map(el => [el.name, getElementValue(el)])),
+        };
 
         ({{ on_submit_event_chain }}());
 
@@ -187,7 +191,7 @@ class Form(BaseHTML):
         """
         return {
             "react": "useCallback",
-            f"/{Dirs.STATE_PATH}": ["getRefValue", "getRefValues"],
+            f"/{Dirs.STATE_PATH}": ["getRefValue", "getRefValues", "getElementValue"],
         }
 
     def add_hooks(self) -> list[str]:

reflex/components/el/elements/forms.pyi

@@ -17,7 +17,7 @@ from .base import BaseHTML
 
 FORM_DATA = Var(_js_expr="form_data")
 HANDLE_SUBMIT_JS_JINJA2 = Environment().from_string(
-    "\n    const handleSubmit_{{ handle_submit_unique_name }} = useCallback((ev) => {\n        const $form = ev.target\n        ev.preventDefault()\n        const {{ form_data }} = {...Object.fromEntries(new FormData($form).entries()), ...{{ field_ref_mapping }}};\n\n        ({{ on_submit_event_chain }}());\n\n        if ({{ reset_on_submit }}) {\n            $form.reset()\n        }\n    })\n    "
+    "\n    const handleSubmit_{{ handle_submit_unique_name }} = useCallback((ev) => {\n        const $form = ev.target\n        ev.preventDefault()\n        const {{ form_data }} = {\n            ...Object.fromEntries(new FormData($form).entries()),\n            ...{{ field_ref_mapping }},\n            ...Object.fromEntries(Array.from($form.children).filter(el => el.name).map(el => [el.name, getElementValue(el)])),\n        };\n\n        ({{ on_submit_event_chain }}());\n\n        if ({{ reset_on_submit }}) {\n            $form.reset()\n        }\n    })\n    "
 )
 
 class Button(BaseHTML):