Function pointers are pointers that point to functions instead of data types. They can be used to allow variability in the function that is to be called, at run-time.
A key component of interactive web systems, input tags are HTML elements designed to take a specific form of input from users. Different types of input elements can regulate the data entered to fit a specified format and provide security to password entry.
Node Package Manager (npm) provides following two main functionalities: Online repositories for node.js packages/modules which are searchable on search.nodejs.org. Command line utility to install Node.js packages, do version management and dependency management of Node.js packages.
Design patterns are a good way to keep your code readable and DRY. DRY stands for don't repeat yourself. Below you could find more examples about the most important design patterns.