Pass the callback function as an argument to another function, which will call it at a specific event or upon completion of a task. Callbacks are commonly used in many JavaScript libraries and ...

J. Bernstein's Constant Database program. find(key,callback,offset) - Finds the first instance of a key and returns the value in the callback. false if the key was not found. key (string) - they key ...

I have noticed a callback issue with createState(): Please see the following script, you can use it right as it is, ideally in a test environment, of course ;) const ...

In JavaScript ... callback function: // Define a function that takes a callback as an argument function doSomethingAsync(callback) { // Simulate an asynchronous operation setTimeout(function ...