From f0409888549fecf931a1978dec5621ccf2938ecd Mon Sep 17 00:00:00 2001
From: Jonathan Rosenbaum <gnuser@gmail.com>
Date: Mon, 7 Aug 2017 18:00:34 +0000
Subject: [PATCH] This changes on to one which is a better strategy when it is
 only necessary for the handler to fire once and empty the results for the
 membership discount.

---
 js/transaction.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/transaction.js b/js/transaction.js
index c24bd64..74c1ff6 100644
--- a/js/transaction.js
+++ b/js/transaction.js
@@ -829,7 +829,7 @@ $(function() {
 						var exp = obj.expiration_date;
 						expiration_date = new Date(exp.split("-").toString());	
 						if (d >= expiration_date) {								
-							amount.on("input", function () {					
+							amount.one("input", function () {					
 								$("#membership_discount").empty();							
 							});					
 							if ($("#expired_membership").length === 1) {
@@ -862,7 +862,7 @@ $(function() {
 							}
 						}							
 					} else {
-						amount.on("input", function () {					
+						amount.one("input", function () {					
 							$("#membership_discount").empty();							
 						});
 						if ($("#paid_member").length === 1) {