JavaScript Exercise: Create a Box builder app to stack boxes
1.The onclick function(call function) is used which includes two functions increment and decrement.
2.The increment function succeeds the previous number by 1.
3.Where as the dicrement function preceeds the previous number by 1.
4.Add box button adds a new number i.e., the increment function is executed similarly the remove box button removes a new number i.e., the dicrement function is executed.
5.The blue and black color code of box is followed alternatively by reached number(11)
6.The getElementById() method returns the element that has the ID attribute with the specified value.