Callbacks work fine for handling asynchronous code in JavaScript, but promises and the async and await keywords are cleaner and more flexible. Topics Spotlight: New Thinking about Cloud Computing ...

Node’s approach to scaling with callback functions requires less memory to handle more connections than most competitive architectures that scale with threads, including Apache HTTP Server, the ...

The callback function accepts a Customer object and returns a string. Listing 1 shows the code that both defines the variable and assigns a function to the variable to it using the JavaScript-like ...