Emoji Algebra

Transcript

1. Emoji Algebra Radoslav Stankov 02/08/2018

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3. Radoslav Stankov @rstankov http://rstankov.com http://github.com/rstankov

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6. Emoji are ideograms and smileys used in electronic messages and

   web pages. They are much like emoticons, but emoji are actual pictures instead of typographics. 
 Originally meaning pictograph, the word emoji comes from Japanese e (ֆ, "picture") + moji (จࣈ, "character"). The resemblance to the English words emotion and emoticon is purely coincidental.

7. Emoji are ideograms and smileys used in electronic messages and

   web pages. They are much like emoticons, but emoji are actual pictures instead of typographics. 
 Originally meaning pictograph, the word emoji comes from Japanese e (ֆ, "picture") + moji (จࣈ, "character"). The resemblance to the English words emotion and emoticon is purely coincidental.

8. Emoji are ideograms and smileys used in electronic messages and

   web pages. They are much like emoticons, but emoji are actual pictures instead of typographics. 
 Originally meaning pictograph, the word emoji comes from Japanese e (ֆ, "picture") + moji (จࣈ, "character"). The resemblance to the English words emotion and emoticon is purely coincidental. !

9. "

10. ? ? ? ?

11. ? ? ?

12. ? ?

13. ?

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16. # Free icon set

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18. "$".length === ?

19. "$".length === 1

20. "$".length === 1 % ⛔ Wrong!

21. "$".length === 2

22. "$".length === 2 ' ✅ Correct!

23. None

24. ")".charCodeAt(0) === 55357

25. ")".charCodeAt(0) === 55357 % ⛔ Wrong!

26. ")".codePointAt(0) === 128568

27. ")".codePointAt(0) === 128568 ' ✅ Correct!

28. "BG"

29. "BG".replace(/./g, c => String.fromCodePoint(c.charCodeAt(0) + 127397))

30. "BG".replace(/./g, c => String.fromCodePoint(c.charCodeAt(0) + 127397)) === *

31. None

32. "+" + "\u200D" + "❤" + "\u200D" + "-"

33. "+" + "\u200D" + "❤" + "\u200D" + "-"

34. "+" + "\u200D" + "❤" + "\u200D" + "-"

35. "+" + "\u200D" + "❤" + "\u200D" + "-" ===

    "."

36. "+" + "\u200D" + "❤" + "\u200D" + "-" ===

    "." ZWJ Zero Width Joiner
37. None

38. "-"+"\u200D" + "+"+ "\u200D" +"/"+ "\u200D" + "0" === "1"

39. [..."1"] === ["-", "+", "/", "0"]

40. "2".length === 1 "❤".length === 2 "3".length === 11

41. function textWithEmojiCount(string){ const split = string.split("\u{200D}"); const count = split.reduce((c,

    s) => { return c + [...s.split(/[\ufe00-\ufe0f]/).join("")].length; }, 0); return Math.round(count / split.length); }

42. textWithEmojiCount("2") === 1 textWithEmojiCount("❤") === 1 textWithEmojiCount("3") === 1

43. None

44. "4"
 "4" + "5" === "6" "4" + "7" ===

    "8"
 "4" + "9" === ":" "4" + ";" === "<" "4" + "=" === ">"

45. "+"

46. "+" + "\u200D" + "?"

47. "+" + "\u200D" + "?" === "@"

48. "+" + ";" + "\u200D" + "?" === "A"

49. None

50. B

51. Thanks C