diff --git a/main/_front/src/js/add-edit.js b/main/_front/src/js/add-edit.js
index 6e55542..97ffdde 100644
--- a/main/_front/src/js/add-edit.js
+++ b/main/_front/src/js/add-edit.js
@@ -230,8 +230,22 @@ const addProperty = (element, name, value) => {
 	}
 }
  
+ 
 const property_btn = document.querySelector("#property_btn");
 property_btn.addEventListener('click', (e) => {
+	let otherPropertiesArray = []
+	other_properties.querySelectorAll(".property").forEach(property => {
+		otherPropertiesArray.push(property.querySelector(".property__name").textContent)
+	})
+	console.log(otherPropertiesArray);
+	for (let i = 0; i < otherPropertiesArray.length; i++) {
+		console.log(input_property_name.value.trim())
+		console.log(otherPropertiesArray[i])
+		if (input_property_name.value.trim() === otherPropertiesArray[i].trim()){
+			alert("Нельзя добавить свойство с таким же именем")
+			return;
+		}
+	}
 	const input_name = input_property_name.value;
 	const input_value = input_property_value.value;
 	if (input_name !== "" && input_value !== "") {