JSFiddle - React, Tailwind, and code Playground

by damir aushenov

JavaScript

var calculator = {
    calculate: function (x, y, fn) {
        return fn(x,y);
    }
};
var sum = function(x, y) {
    return x +y;
}, diff = function(x,y) {
    return x - y;
};
var sumResult = calculator.calculate(1,2, sum),
    diffResult = calculator.calculate(1,2, diff);
alert(sumResult);
alert(diffResult);