Have they ever asked you? “Can you explain null and undefined in JavaScript?” This question is very trivial but important. As a JavaScript developer, you must have absolute understanding on undefined and null. Let us start by looking at code below: https://gist.github.com/debugmodedotnet/62fc783b3dd79f3feec4b6c87f04d077 Output of above code listing would be “undefined” as shown in the imageContinueContinue reading “undefined and null in JavaScript”
Monthly Archives: March 2017
How to create a Class in JavaScript
Have they ever asked you that “How you create class in JavaScript?” I am sure, regardless level of JavaScript interview; you must have come across this question. Well, there is no one answer of this question. However, before you go ahead and read detailed answer in this post, let me give you a gist inContinueContinue reading “How to create a Class in JavaScript”
Step by Step building Node.js based REST API to perform CRUD operations on MongoDB.
Download Source Code of this post from GitHub here Node.js is one of the greatest platform to create backend of the application. Does not matter whether you are creating a mobile app for iOS or Single Page Web application using Angular, you will need a backend for the application. Usually you perform databases operations, authentications,ContinueContinue reading “Step by Step building Node.js based REST API to perform CRUD operations on MongoDB.”
Dhananjay Kumar 