Nodejs

Unleash Your App’s Inner Speed Demon with These Hysterical Hacks — Introduction: The Need for Speed In the fast-paced world of web development, it’s not enough for your applications to simply work — they need to work faster than a caffeinated cheetah on roller skates. That’s why I compiled this handy-dandy list of tips and tricks for optimizing your Node.js, TypeScript, and Nest.js applications. And I…

The Six MAIN Primitive Types: Boolean: represents a logical value of either true or false. Null: represents a null value, or a deliberate non-value. Undefined: represents an undefined value, which occurs when a variable has been declared but has not been assigned a value. Number: represents numeric values, including integers and floating-point numbers. String: represents…

If you’re working with Mongoose, the popular object data modelling (ODM) library for MongoDB in Node.js, having a quick reference guide or “cheat sheet” can be incredibly helpful. …

Whenever we write code, we write functions. A function is a reusable block of code that can be called anywhere. When we call a function, we can provide inputs to it as arguments, it runs the code and return output. What is the Closure concept ? The closure concept is the function declaration inside another function…

So far, we covered various aspects of JavaScript, including data types, operators, conditionals, loops, functions, objects, truthy and falsey values, type coercion and conversion, and logical operators. A Brief Summary Variables and Data Types Variables can be declared using const, let, or var const is used for variables that won’t be reassigned let is used for variables…

If, Else Statements If else statements in JavaScript are a way to make decisions in your code. The basic idea is that you can tell your code to do one thing if a certain condition is true, and another thing if it’s not. For example, let’s say you’re building a website that requires…

What are functions in JavaScript? In JavaScript, a function is a block of reusable code that performs a specific task. Functions can be called (or invoked) multiple times, with different inputs, to produce different outputs. In JavaScript, function arguments are values that are passed to a function when it is called. …