April 2019
Beginner to intermediate
368 pages
7h 18m
Korean
Content preview from 만들면서 배우는 프로그레시브 웹 앱: 사용자 경험을 극대화하는 차세대 웹 앱 기술
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310 - 프로그레시브 웹 앱
고담 임페리얼 호텔에서 보낸 메시지는 다음 구조를 가지고 있습니다.
{
"
type
":
"
reservation
-
confirmation
",
"
reservation
":
{
"
id
":
"
79212418
",
"
arrivalDate
":
"
November 5th 2022
",
"
nights
":
"
3
",
"
guests
":
"
2
",
"
status
":
"
Confirmed
",
"
bookedOn
":
"
2016
-
10
-
31T15
:
40
:
41
+
02
:
00
",
"
price
":
636
}
}
푸시 메시지 데이터를
type
과
reservation
객체로 구조화한 것은 완전히 임의적
인 선택입니다.
type
없이 구조화 시킬 수도 있습니다. 전체 메시지를 최종 알림 텍스
트가 담긴 간단한 문자열로 만들 수도 있고, 서비스 워커에서 파싱하고
IndexedDB
에서 해당
ID
에 대한 예약 세부 정보를 가져오도록 "
reservationconfirmati
on
,
79212418
"와 같은 문자열로 만들 수도 있습니다.
새로운 이벤트 핸들러 코드를 더 자세히 살펴보겠습니다.
먼저 ‘
push
’ 이벤트 리스너 코드는 푸시 이벤트를 완료하기 전에,
event
.
waitUntil()
를 사용하여
IndexedDB
업데이트와 알림을 표시하기 위한 코드
가 성공적으로 완료될 때까지 기다립니다.
3
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.