Please help explain this calculator code.

var calculator = {
sum: 0,
add: function(value) {
this. sum = this. sum + value;

},
clear: function() {[]
this. sum = 0;

},
equals: function() {
return this. sum;

}
}

that looks really complicated. Try going to khan academy to get an explanation, they almost always have great explanations for things.

Explanation:

in software engineering and computer science, abstraction is: the process of removing physical, the way that different data types interact, is the beginning of abstraction.

answer; /// i believe ist (al shugart);