add hidden inputs in form

partials/formhash.php

@@ -0,0 +1,25 @@
+<?$addrhash = adddr_hash();
+if ($addrhash !== null):?>
+<script>
+    document.addEventListener('DOMContentLoaded', function() {
+    
+    let form = document.getElementById('form-right');
+    let inputAdded = false;
+
+    form.addEventListener('mouseenter', function() {
+    
+        if (!inputAdded) {
+
+            var hiddenInput = document.createElement("input");
+            hiddenInput.type = "hidden";
+            hiddenInput.name = "addrhash"; // имя поля
+            hiddenInput.value = "<?=$addrhash?>"; // значение поля
+            
+            form.appendChild(hiddenInput);
+            inputAdded = true;
+                
+        }
+    }, { once: true });
+});
+</script>
+<?endif;?> 

partials/formsubscript.php

@@ -2,14 +2,10 @@
     <div id="convert"></div>   
     <div class="right_title"><?=vij_lang('email_title', LANG_VERSION);?></div>
     <div id="subscript-mail">
-        <form class="form-right" action="https://vetandlife.ru/subscript" method="post">
+        <form class="form-right" id="form-right" action="https://vetandlife.ru/subscript" method="post">
             <input сlass="frm_mail" type="email" required name="email" placeholder="<?=vij_lang('your_mail', LANG_VERSION);?>">
             <?php wp_nonce_field('subscription_form_nonce', 'subscription_nonce'); ?>
-            <?$addr = adddr_hash();
-            if ($addr !== null):?>
-                <input type="hidden" name="addrr" value="<?=$addr?>">
-            <?endif?>    
-            <input type="hidden" name="sender" value="info@vetandlife.ru">
+            <input type="text" class="mytext" name="mytext" placeholder="Дополнительный текст">
             <button class="frm_submit"><?=vij_lang('email_btn', LANG_VERSION);?></button> 
         </form>
     </div>