Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
ES2015 & React
Search
Stepan Parunashvili
December 18, 2015
Technology
0
46
ES2015 & React
Talk on ES2015, and react at futureadvisor
Stepan Parunashvili
December 18, 2015
Tweet
Share
More Decks by Stepan Parunashvili
See All by Stepan Parunashvili
Scaling React Applications
stopachka
2
95
Universal Applications
stopachka
0
75
Engineering Growth
stopachka
0
51
Universal Applications
stopachka
1
81
ES2015
stopachka
0
55
Other Decks in Technology
See All in Technology
AWS IoT 超入門 2025
hattori
0
330
ガバメントクラウドの概要と自治体事例(名古屋市)
techniczna
2
230
業務効率化をさらに加速させる、ノーコードツールとStep Functionsのハイブリッド化
smt7174
2
130
10年の共創が示す、これからの開発者と企業の関係 ~ Crossroad
soracom
PRO
1
730
『OCI で学ぶクラウドネイティブ 実践 × 理論ガイド』 書籍概要
oracle4engineer
PRO
3
210
Shirankedo NOCで見えてきたeduroam/OpenRoaming運用ノウハウと課題 - BAKUCHIKU BANBAN #2
marokiki
0
190
CoRL 2025 Survey
harukiabe
0
170
能登半島地震において デジタルができたこと・できなかったこと
ditccsugii
0
150
コンテキストエンジニアリング入門〜AI Coding Agent作りで学ぶ文脈設計〜
kworkdev
PRO
1
540
カンファレンスに託児サポートがあるということ / Having Childcare Support at Conferences
nobu09
1
530
Adapty_東京AI祭ハッカソン2025ピッチスライド
shinoyamada
0
280
20251014_Pythonを実務で徹底的に使いこなした話
ippei0923
0
190
Featured
See All Featured
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.9k
Code Reviewing Like a Champion
maltzj
526
40k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
9
590
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.5k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
870
Practical Orchestrator
shlominoach
190
11k
BBQ
matthewcrist
89
9.8k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Leading Effective Engineering Teams in the AI Era
addyosmani
3
370
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
53k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
37
2.6k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Transcript
() => <React /> Stepan Parunashvili 1
2
No more waiting 3
Babel $ npm install -g babel-cli 4
ES2015 5
Arrow Functions () => 6
7
8
9
10
11
Classes class Component {} 12
13
14
15
16
Modules import User from 'user' 17
18
19
Larger Standard Library Map, Set, WeakMap, Promise... 20
Smarter Object Expressions {users} 21
22
23
24
25
26
Destructuring in arguments ({name, friends}) => console.log(name, friends) 27
28
29
30
31
Default Arguments (name = 'Bob') => console.log(name) 32
33
34
Template Strings `hello ${name}` 35
36
37
More destructuring var [first, ...rest] = users 38
39
40
41
42
43
Splat addFriends(...friends) 44
45
46
47
48
49
Block scoping: let & const let i = 0; 50
51
52
53
54
55
56
Symbols Iterators Generators 57
Async / Await var users = await getUsers(); 58
59
60
61
62
63
<React /> 64
65
Declarative > Imperative {opened ? <FriendList /> : null} 66
67
68
69
70
71
72
increment append, decrement, replace 73
Now... 74
75
76
77
78
79
Instead... 80
(data) => markup 81
82
83
84
85
Composability friends.map(friend => <Info friend={friend} />) 86
87
88
89 http://handlebarsjs.com/expressions.html
90
Separation of Concerns? 91
Coupling vs Cohesion 92
Cohesion <button onClick={this._handleClick}>Click me</button> 93
94
95
ui logic + markup are cohesive 96
97
Unit testing 98
Reusability 99
100
101
But, large apps are large 102
Keep components small 103
Keep state in a single place 104
Optimize last 105
Use Immutable Data Structures 106
107
108
109
110
111
112
There's more 113
flow redux hot reloading 114
thank you :) 115