ЛХ
function calc (a, o, b) {
const opertors =
{'+'
: (a,b) => a+b, '-'
: (a,b) => a-b, '*'
: (a,b) => a*b, '/'
: (a,b) => a/b}if (Number.isInteger(Number(a)) && Number.isInteger(Number(b)) &&
Object.keys(operators
).includes(o)) {
return
operators[o](a,b)
}
return new Error('Something went wrong')
}