JavaScript Taskbook Level 3.6
Given an array of numbers, remove numbers from it that have more than three digits.
Given a number, for example, like this:
let num = 12345;
Check that all digits of this number are greater than zero.
Given some array, for example, like this:
[123, 456, 789]
Merge all the elements of this array into one array, splitting them character by character:
[1, 2, 3, 4, 5, 6, 7, 8, 9]
The following structure is given:
let data = [
{
1: 11,
2: 12,
3: 13,
},
{
1: 21,
2: 22,
3: 23,
},
{
1: 24,
2: 25,
3: 26,
},
];
Find the sum of the elements of this structure.
