A proxy is a gateway between a client and the entire internet. But there are several use cases for a proxy. For example: if you’re inside a corporate network, there are 99% chances that you’re behind a proxy which controls your access to the internet by allowing and restricting what you can visit and what you can’t visit. Such kind of proxy is known as forward proxy.
If we talk about server side, let’s say you are having an application deployed on some servers and are exposed to internet, but you want to implement a middleman which can prevent the…
If you code, it is certain that you use methods and functions no matter what programming language you are using. In javascript, since a lot of things works asyncronously, callbacks add a great feature to perform the post tasks. Let’s dive deep into it and understand what are they and how they work.
Let’s write a simple javascript function which returns a number
const getNumber = () => {
return 10
}
console.log(getNumber())This code is self explanatory. A function getNumber() when called returns a number 10 and logs it in console.
[thejsway@jsmachine]$ node callback.js
10Now, let’s do some…
