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
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Stepan Parunashvili
December 18, 2015
Technology
0
61
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
100
Universal Applications
stopachka
0
80
Engineering Growth
stopachka
0
59
Universal Applications
stopachka
1
91
ES2015
stopachka
0
65
Other Decks in Technology
See All in Technology
Cosmos World Foundation Model Platform for Physical AI
takmin
0
360
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
13k
Embedded SREの終わりを設計する 「なんとなく」から計画的な自立支援へ
sansantech
PRO
3
2.2k
Data Hubグループ 紹介資料
sansan33
PRO
0
2.7k
Introduction to Bill One Development Engineer
sansan33
PRO
0
360
Stately
mu7889yoon
1
110
FinTech SREのAWSサービス活用/Leveraging AWS Services in FinTech SRE
maaaato
0
120
入社1ヶ月でデータパイプライン講座を作った話
waiwai2111
1
250
GitLab Duo Agent Platform × AGENTS.md で実現するSpec-Driven Development / GitLab Duo Agent Platform × AGENTS.md
n11sh1
0
120
Frontier Agents (Kiro autonomous agent / AWS Security Agent / AWS DevOps Agent) の紹介
msysh
3
150
2026年、サーバーレスの現在地 -「制約と戦う技術」から「当たり前の実行基盤」へ- /serverless2026
slsops
2
210
Bedrock PolicyでAmazon Bedrock Guardrails利用を強制してみた
yuu551
0
160
Featured
See All Featured
Code Reviewing Like a Champion
maltzj
527
40k
What does AI have to do with Human Rights?
axbom
PRO
0
2k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Dominate Local Search Results - an insider guide to GBP, reviews, and Local SEO
greggifford
PRO
0
77
We Have a Design System, Now What?
morganepeng
54
8k
HDC tutorial
michielstock
1
360
Art, The Web, and Tiny UX
lynnandtonic
304
21k
Claude Code のすすめ
schroneko
67
210k
エンジニアに許された特別な時間の終わり
watany
106
230k
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
320
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
2.1k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
szymonslowik
1
910
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