From 8a4c8a26acb0b428e9840a63188f79ac9ad4feed Mon Sep 17 00:00:00 2001
From: Merten Hanisch <merten.hanisch@netzkontor-nord.de>
Date: Wed, 6 Jun 2018 16:11:07 +0200
Subject: [PATCH] support submit-buttons with formaction attribute

---
 src/json-formdata.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/json-formdata.js b/src/json-formdata.js
index e02c13f..6392c4a 100644
--- a/src/json-formdata.js
+++ b/src/json-formdata.js
@@ -22,19 +22,27 @@
   /* Initialize form */
   JSONFormData.prototype.initialize = function (formElement, callback) {
     var self = this,
-        fields = formElement.elements;
+        fields = formElement.elements,
+        submitButtons;
 
     this.form = formElement;
 
     this.enctype = 'application/json';
-    this.action = formElement.action;
     this.method = this.getMethod();
 
     this.formData = {};
 
+    submitButtons = this.form.querySelectorAll('[formaction]');
+    for(var k = 0; k < submitButtons.length; k++ ) {
+      submitButtons[k].addEventListener('click', function() {
+        this.form.action = this.getAttribute('formaction');
+      });
+    }
+
     if (callback) {
       this.form.addEventListener('submit', function (e) {
         e.preventDefault();
+        self.action = formElement.action;
 
         self.extractValues(fields, function() {
           var xhr = new XMLHttpRequest(),