2

let size = prompt('Size of Elochka?')
let a = 0;
let b = 0;
let c = 1;
let d = size;

while (a < size) {
    while (b < d) {
        console.put(' ')
        b = b + 1;
    }
    b = 0;
    while (b < c) {
        console.put('*')
        b = b + 1;
    }
    b = 0;
    c = c + 2;
    a = a + 1;
    d = d - 1;
    console.put ('\n')
}

a = 0;
b = 0;
c = 1;
d = size;

while (a < size) {
    while (b < d) {
        console.put (' ')
        b = b + 1;
    }
    b = 0;
    while (b < c) {
        console.put ('*')
        b = b + 1;
    }
    b = 0;
    a = a + 1;
    c = c - 1;
}