Seek the peak
Nodejs is basically a way to run javascript outside the context of the browser. Powered by V8. We can use node for many things now like tooling and servers. To get started, you can just type node in your terminal and you'll have a full JS REPL. Note that this is just Javascript but it's not in the context of… Continue reading NodeJS API- Express
- Callback what's Callback function? callback function is a function which is passed to another function as an argument. and the callback function is called (or executed) inside the other function. Basic Example var getUser = (id, callback) => { var user = { id: id, name: 'Ahmed' }; callback(user); }; getUser(31, (userObject) => {… Continue reading Callback function
What are JavaScript modules? What is their purpose? Definition: how to encapsulate a piece of code into a useful unit, and how to register its capability/export a value for the module. Dependency References: how to refer to other units of code. CommonJS is a way of defining modules with the help of an exports object, that defines… Continue reading Relation between CommonJS, AMD and RequireJS?
React provides developers with many methods or “hooks” that are called during the life-cycle of an component, which allows us to update the UI and application state. Knowing when to use which of them is crucial to properly understanding how to work with React. ReactJs is a javascript library for building user interfaces. What is User… Continue reading ReactJs – Component Life Cycle
Webpack is essentially a code bundler. It takes your code, transforms and bundles it, then returns a new ‘compiled’ version. Also, it’s built in a way that you can easily perform and make your bundles smaller, or even lazy load your code as the user goes through your application. webpack is partly complicated because it’s incredibly powerful. So let’s… Continue reading WebPack
One key feature in a functional language is the concept of first-class functions. The idea is that you can pass functions as parameters to other functions and return them as values. Functional programming involves writing code that does not change state. The primary reason for doing so is so that successive calls to a function… Continue reading Functional Programming
Callback what's Callback function? callback function is a function which is passed to another function as an argument. and the callback function is called (or executed) inside the other function. Basic Example var getUser = (id, callback) => { var user = { id: id, name: 'Ahmed' }; callback(user); }; getUser(31, (userObject) => { console.log(userObject); });… Continue reading ES6 – Promises
