Write a JavaScript to design a simple calculator to perform the following operations: sum, product, difference and quotient.
Link : [ Ссылка ]
![](https://i.ytimg.com/vi/GPrFtLXm1aM/maxresdefault.jpg)
Write a JavaScript to design a simple calculator to perform the following operations: sum, product, difference and quotient.
Link : [ Ссылка ]