So many time we got confused in currying and closure JavaScript functions just because both uses functions inside function.
So This is the answer of your question.
First I will explain What is closure in JavaScript ?
Creating a closure is nothing more than accessing a variable outside of a function's scope. Please note that a function inside a function isn't a closure. Closures are always use when need to access the variables outside the function scope.
Here is an example of closure function:
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function apple(x){
function google(y,z) {
console.log(x*y);
}
google(7,2);
}
apple(3);
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Answer will be 21. So here inside google function we are able to access the variable x which is outside the scope of the function google(). ...