CODE EXAMPLE FOR JAVASCRIPT

currying in javascript mdn

It is a technique in functional programming, transformation of the 
function of multiple arguments into several functions of a single 
argument in sequence. It is also called nested function is ecmascript

//Without currying
function calculateVolume(length, breadth, height) {
        return length * breadth * height;
    }
//With Currying
function calculateVolume(length) {
        return function (breadth) {
            return function (height) {
                return length * breadth * height;
            }
        }
    }