From 86ceaaf0a3515cbc5f2c390c61f61fbaaf00909d Mon Sep 17 00:00:00 2001
From: pratu16x7 <pratu16x7@gmail.com>
Date: Tue, 27 Jun 2017 14:23:11 +0530
Subject: [PATCH] [minor]

---
 frappe/public/js/legacy/clientscriptAPI.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/frappe/public/js/legacy/clientscriptAPI.js b/frappe/public/js/legacy/clientscriptAPI.js
index fb02dc79fc..a57362bd63 100644
--- a/frappe/public/js/legacy/clientscriptAPI.js
+++ b/frappe/public/js/legacy/clientscriptAPI.js
@@ -248,13 +248,14 @@ _f.Frm.prototype.clear_table = function(fieldname) {
 _f.Frm.prototype.add_child = function(fieldname, values) {
 	var doc = frappe.model.add_child(this.doc, frappe.meta.get_docfield(this.doctype, fieldname).options, fieldname);
 	if(values) {
-		// Deep clone
-		var d = JSON.parse(JSON.stringify(values));
-
 		// Values of unique keys should not be overridden
+		var d = {};
 		var unique_keys = ["idx", "name"];
-		unique_keys.map((key) => {
-			d[key] && delete d[key];
+
+		Object.keys(values).map((key) => {
+			if(!unique_keys.includes(key)) {
+				d[key] = values[key];
+			}
 		});
 
 		$.extend(doc, d);