sorting of arraray 27s number element in javascript

1
2        
3            
4        
5     let numbers = [0, 1, 2, 3, 10, 20, 30];
6numbers.sort((a, b) => a - b);
7
8console.log(numbers);

1homes.sort(function(a, b) {
2    return parseFloat(a.price) - parseFloat(b.price);
3});