Ai
Size: a a a
Ai
E
E

AK
AK
E
p
const str = 'grid-template-column'
console.log(
str.split('-')
.map((x, i) =>
i !== 0
? `${x.slice(0, 1).charAt(0).toUpperCase()}${x.slice(1)}`
: x)
.join('')
)
S
const str = 'grid-template-column'
console.log(
str.split('-')
.map((x, i) =>
i !== 0
? `${x.slice(0, 1).charAt(0).toUpperCase()}${x.slice(1)}`
: x)
.join('')
)

E

p
E
JB
E
JB
E
Q
Q
mass[toUp] = mass[toUp].toUpperCase();
S
mass[toUp] = mass[toUp].toUpperCase();

E
В