TypingHub
BETA
Ranking
Practice
テーマ切り替え
言語切り替え / Switch language
Loading...
TypeScript Symbol Master
Click to focus
1 / 20
t
y
p
e
G
r
e
e
t
=
(
n
a
m
e
:
s
t
r
i
n
g
)
=
>
s
t
r
i
n
g
;
↵
const add = (a: number, b: number) => a + b;
1:00
0
/10
Ln 1, Col 1
Invisibles
Font Size
Editor Theme
UTF-8
•
TypeScript