Infosys BPM React Js Frontend Developer Interview Questions and Answers

Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.

• Currying helps in creating reusable functions and partial application.

• It allows for easier composition of functions.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return 5.

Closures are functions that have access to their own scope, as well as the scope in which they were defined.

• Closures allow functions to access variables from their outer function even after the outer function has finished executing.

• They help in maintaining state in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }

• Example...read more