Upgrade to Pro — share decks privately, control downloads, hide ads and more …

5文字で書くJavaScript/ Shibuya.XSS techtalk #10

Avatar for Masato Kinugawa Masato Kinugawa
December 13, 2017
Technology
35
20k

5文字で書くJavaScript/ Shibuya.XSS techtalk #10

Shibuya.XSS techtalk #10 の発表資料です。

Avatar for Masato Kinugawa

Masato Kinugawa

December 13, 2017
Tweet

More Decks by Masato Kinugawa

See All by Masato Kinugawa
Shadow DOMとセキュリティ - 光と影の境界を探る / Shibuya.XSS techtalk #13
Avatar for Masato Kinugawa masatokinugawa
0
400
Shadow DOM & Security - Exploring the boundary between light and shadow
Avatar for Masato Kinugawa masatokinugawa
1
1.1k
ブラウザのレガシー・独自機能を愛でる-Firefoxの脆弱性4選- / Browser Crash Club #1
Avatar for Masato Kinugawa masatokinugawa
1
780
注目したいクライアントサイドの脆弱性2選/ Security.Tokyo #3
Avatar for Masato Kinugawa masatokinugawa
8
3.9k
バグハンティングのすゝめ / P3NFEST
Avatar for Masato Kinugawa masatokinugawa
5
2.4k
Pwn2OwnでMicrosoft Teamsをハッキングして2000万円を獲得した方法/ Shibuya.XSS techtalk #12
Avatar for Masato Kinugawa masatokinugawa
13
20k
How I Hacked Microsoft Teams and got $150,000 in Pwn2Own
Avatar for Masato Kinugawa masatokinugawa
1
22k
JSでDoSる/ Shibuya.XSS techtalk #11
Avatar for Masato Kinugawa masatokinugawa
20
7k
Electron: Abusing the lack of context isolation - CureCon(en)
Avatar for Masato Kinugawa masatokinugawa
5
100k

Other Decks in Technology

See All in Technology
OPENLOGI Company Profile for engineer
Avatar for OPENLOGI hr01
1
37k
S3 Glacier のデータを Athena からクエリしようとしたらどうなるのか/try-to-query-s3-glacier-from-athena
Avatar for emi emiki
0
210
Nx × AI によるモノレポ活用 〜コードジェネレーター編〜
Avatar for puku0x puku0x
0
450
o11yツールを乗り換えた話
Avatar for tak0x00 tak0x00
2
610
AIのグローバルトレンド 2025 / ai global trend 2025
Avatar for kyonmm kyonmm
PRO
1
130
「Roblox」の開発環境とその効率化 ～DAU9700万人超の巨大プラットフォームの開発 事始め～
Avatar for Keita Tanji keitatanji
0
120
Kiroから考える AIコーディングツールの潮流
Avatar for Oikon oikon48
4
680
開発 × 生成AI × コミュニケーション：GENDAの開発現場で感じたコミュニケーションの変化 / GENDA Tech Talk #1
Avatar for GENDA genda
0
120
データモデリング通り #2オンライン勉強会 ～方法論の話をしよう～
Avatar for データ横丁 datayokocho
0
140
薬屋のひとりごとにみるトラブルシューティング
Avatar for tomokusaba tomokusaba
0
210
ビジネス文書に特化した基盤モデル開発 / SaaSxML_Session_2
Avatar for Sansan R&D sansan_randd
0
280
AIエージェントを現場で使う / 2025.08.07 著者陣に聞く！現場で活用するためのAIエージェント実践入門（Findyランチセッション）
Avatar for Shumpei Miyawaki smiyawaki0820
6
890

Featured

See All Featured
Fashionably flexible responsive web design (full day workshop)
Avatar for Andy Clarke malarkey
407
66k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
18
1.1k
Optimizing for Happiness
Avatar for Tom Preston-Werner mojombo
379
70k
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
46
7.6k
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1031
460k
The Language of Interfaces
Avatar for Des Traynor destraynor
158
25k
Fireside Chat
Avatar for paigeccino paigeccino
38
3.6k
Building an army of robots
Avatar for Kyle Neath kneath
306
45k
A better future with KSS
Avatar for Kyle Neath kneath
239
17k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
54
13k
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
29
9.6k
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
30
6k

Transcript

  1. |>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|> >|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|> |>|>|>|>|>|>|>|>|>|>|> |>|>|>|>|>|>|>|>|>|>|>

  2. • • •

  3. None
  4. None

  5. • • http://utf-8.jp/public/jjencode.html

  6. • •

  7. • • 0 1 2 3 4 5 6 7

    8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  8. None
  9. None

  10. BANG!

  11. |>

  12. https://github.com/tc39/proposal-pipeline-operator The pipeline operator is essentially a useful syntactic sugar

    on a function call with a single argument. |>

  13. alert(1)

  14. 1 |> alert

  15. • []()!+|> 8-2=6

  16. • [] !+|> 6-1=5

  17. • []+|> 5

  18. • • •

  19. None

  20. • •

  21. > Function("alert(1)") < ƒ anonymous() {alert(1)}

  22. > Function("alert(1)")() OK

  23. > [].constructor

  24. > []["constructor"]

  25. > []["constructor"] === Array < true > []["constructor"]["constructor"] === Function

    < true

  26. > []["constructor"]["constructor"]("alert(1)")() OK

  27. > []["constructor"]["constructor"]("CODE")()

  28. > []["constructor"]["constructor"]("CODE")()

  29. > "CODE"|>[]["constructor"]["constructor"] > []["constructor"]["constructor"]("CODE")

  30. > []|>"CODE"|>[]["constructor"]["constructor"] > []["constructor"]["constructor"]("CODE")()

  31. exclaim(capitalize(doubleSay("hello"))); "hello" |> doubleSay |> capitalize |> exclaim;

  32. > ("CODE"|>[]["constructor"]["constructor"])()

  33. > ["CODE"|>[]["constructor"]["constructor"]][0]() ( Expression ) [ Expression ][0]

  34. > []|>["CODE"|>[]["constructor"]["constructor"]][0]

  35. > []|>["CODE"|>[]["constructor"]["constructor"]][0]

  36. //JSFuckの基本型 []["constructor"]["constructor"]("CODE")() //5文字JSの基本型 []|>["CODE"|>[]["constructor"]["constructor"]][0]

  37. None

  38. > +[] < 0

  39. > []>[] < false > [0]>[] < true

  40. > [][[]] < undefined

  41. > +[true][0] < 1 > +[true][0]+[true][0] < 2 > +[true][0]+[true][0]+[true][0]

    < 3 > ...

  42. > [true][0]+[] < "true" > [false][0]+[] < "false" > [undefined][0]+[]

    < "undefined"

  43. > ["true"][0][0] < "t" > ["true"][0][1] < "r" > ["true"][0][2]

    < "u"

  44. > []|>["CODE"|>[]["constructor"]["constructor"]][0]

  45. > []["fill"]+[] < "function fill() { [native code] }"

  46. None

  47. [[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[ [+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]] >[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+ [[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]> []][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+ [[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]] +[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[ [+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[ ]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]] [+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]

    ]>[]]+[]][+[]][+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+ [[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]] ]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[ ]][+[]]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]

  48. > []|>["alert(1)"|>[]["constructor"]["constructor"]][0]

  49. []|>[[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[] ][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[+[]]>[]] +[]][+[]][+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+ []][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[ [+[]]>[]][+[]]+[+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[+[[+[]]>[]][+[]]][+[]]+[[][[[[]>[]]+[]] [+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[] ]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[+[[+[]]>[]][+[] ]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]|>[][[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[] ]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[ ]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+

    []][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]> []][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[ +[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+ []][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[]]+[[[+[]]>[]]+[]][+[]][+ [[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[] ]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[] ]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[ [+[]]>[]]+[]][+[]][+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+ [[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[] ][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[ [+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]][[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[] ][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]] >[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]] +[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]] +[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[ ]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[ ]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[ [[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]] [+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]] >[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]] [+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][ +[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]] [+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]] [+[[+[]]>[]][+[]]]]][+[]]

  50. []|>[[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[] ][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[+[]]>[]] +[]][+[]][+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+ []][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[ [+[]]>[]][+[]]+[+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[+[[+[]]>[]][+[]]][+[]]+[[][[[[]>[]]+[]] [+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[] ]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[+[[+[]]>[]][+[] ]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]|>[][[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[] ]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[ ]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+

    []][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]> []][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[ +[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+ []][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[]]+[[[+[]]>[]]+[]][+[]][+ [[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[] ]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[] ]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[ [+[]]>[]]+[]][+[]][+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+ [[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[] ][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[ [+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]][[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[] ][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]] >[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]] +[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]] +[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[ ]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[]]+[]][+[]][+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[ ]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]][+[]]+[[[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]]+[ [[+[]]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]] [+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]] >[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]] [+[]]+[[][[[[]>[]]+[]][+[]][+[]]+[[[[]>[]]+[]][+[]]+[][[]]][+[]][+[[+[]]>[]][+[]]+[+[]]]+[[[]>[]]+[]][+[]][ +[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[]>[]]+[]][+[]][+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]]+[]][+[]][+[[+[]]>[]] [+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]+[[+[]]>[]][+[]]]+[[[+[]]>[]]+[]][+[]] [+[[+[]]>[]][+[]]]]][+[]] OK

  51. unescape("%u0051")

  52. https://syllab.fr/projets/experiments/xcharsjs/5chars.pipeline. html https://babeljs.io/repl/build/5099/#?babili=false&browsers=& build=&builtIns=false&code_lz=IwHwfAhgNgpgTgFyA&debug=f alse&circleciRepo=&evaluate=true&lineWrap=false&presets=st age-0&prettier=false&targets=&version=7.0.0- beta.2%2Bpr.6335

  53. • •

  54. |>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|> >|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>|>