Sometimes we just want to use an application without having to sign up and sign in with our email and password first. However, the application's owners need to know how many users have used their application in order to get feedback on who is using i...
What is React JS? React is a powerful and flexible JavaScript library for creating user interfaces. Yes, you read that correctly; it's a javascript library, not a framework. React was created by Facebook in 2011 and has since grown to be one of the...
Let's understand first Is hoisting applicable to both let and const? When using var At the time of memory allocation, var is initialised with undefined. When using let It appears that let is not being hoisted. But let me tell you variables dec...
What is lexical environment? Lexical environment is made up of local memory and reference to the outer lexical environment. Every time an execution context is created, a lexical environment is created along with it. Let's try to understand using a ...
Learn about Hoisting, Call Stack, Scope, and Single Thread
Definition of an Execution Context When you run a Java Script program, it creates an execution context. Memory creation and code execution take place within the Execution Context. Execution context is like a container with two compartments. Memory c...
Arrays Arrays are variables that can hold more than one value. The values may also be of different types. Example const number = [1, 2, 3, 4]; const names = ["Jonh", "Tom", "Harry"]; const bool = [true, false]; const mixed = [1, "Ron", true, nul...
Git is a distributed version control system that allows developers to collaborate on large or small projects. This cheat sheet helps familiarise you with fundamental git commands. Setting Git username: git config --global user.name "Manideep" Setti...
This cheetsheet will provide a quick overview of Markdown syntax elements. Heading Markdown Syntax # H1 ## H2 ### H3 ### H4 ### H5 ### H6 Output Bold Markdown Syntax **Bold** Output Italic Markdown Syntax *Itali...