Pass FormData object from Client to Server
We will learn how to pass FormData from Client side using React to Server side using Express.js
JavaScript
JavaScript .sort() method
JavaScript has a built-in sort prototype method. Which can be used to sort elements of an array. When we call .sort() method of an array of numbers or strings JavaScript automatically sort the array.
Builder Design Pattern
Builder Design Pattern is a design pattern, which is used to create object from a complex or from a general object.
Create a simple Compiler with JavaScript
In this post we are going to make a small compiler with JavaScript. We will start by understanding what compiler is, phases of compilation then we will make a simple compiler.
Understanding the big-O with JavaScript
Finding a complexity for a program is always an important task. It gives us clear indication of how much slower or faster our program will get when you give more data input at it.
Pure & Impure Function
In Functional JavaScript a Pure Function is a function that doesn’t depend on anything outside of it’s scope nor modify it.
Introduction to NodeJS Streams
Streams are core concept of nodejs. Streams are data (array or object), they do not process all at once rather than piece by piece.
Formatting Number & Date with Intl Object
The Intl object provides access to several constructors, each of them allows to do string comparison, number formatting and date and time formatting.
JavaScript Expression & Statement
An expression is any valid set of literals, variables, operators that evaluates to a single value.
Difference between Undefined & Null in JavaScript
In JavaScript undefined & null sound like same, but they are different.