From 6a73fcf6228ee063811df6c6fa657f29615dd8c3 Mon Sep 17 00:00:00 2001
From: shotaro kaneda <juanpablolvl99@gmail.com>
Date: Sat, 9 Feb 2019 11:58:38 -0300
Subject: [PATCH] Do not send parameters with undefined to body #719

---
 src/url/index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/url/index.js b/src/url/index.js
index c4963b93..5cfecd26 100644
--- a/src/url/index.js
+++ b/src/url/index.js
@@ -60,6 +60,10 @@ Url.params = function (obj) {
     var params = [], escape = encodeURIComponent;
 
     params.add = function (key, value) {
+        
+        if (value === undefined) {
+            return;
+        }
 
         if (isFunction(value)) {
             value = value();