Split a number into its digits

// Write a function that takes a number (a) as argument
// Split a into its individual digits and return them in an array
// Tipp: you might want to change the type of the number for the splitting
function
myFunction
(
a
)
{

return
}
Test Cases:
myFunction(10)
Expected
[1,0]
myFunction(931)
Expected
[9,3,1]
myFunction(193278)
Expected
[1,9,3,2,7,8]