From 93097b42145998ec8ebf5bc8c96ff66b832fe4ac Mon Sep 17 00:00:00 2001
From: Jason Wang <kerorojason1031@gmail.com>
Date: Fri, 17 Sep 2021 00:20:04 +0800
Subject: [PATCH] Update ch9.md

get value from querySelector
---
 ch9.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ch9.md b/ch9.md
index 04f8558..6aeb29b 100644
--- a/ch9.md
+++ b/ch9.md
@@ -251,8 +251,8 @@ getJSON('/authenticate', {username: 'stale', password: 'crackers'})
 // Task([{name: 'Seimith', id: 14}, {name: 'Ric', id: 39}]);
 
 
-querySelector("input.username").chain(function(uname) {
-  return querySelector("input.email").chain(function(email) {
+querySelector("input.username").chain(function({value: uname}) {
+  return querySelector("input.email").chain(function({value: email}) {
     return IO.of(
       "Welcome " + uname.value + " " + "prepare for spam at " + email.value
     );