JavaScript is a high-level, interpreted programming language that is primarily known for its role in enhancing web pages to provide a more dynamic and interactive user experience. Developed initially by Netscape
What exactly is "this"? When a function is invoked, in addition to the explicit arguments passed to it, it receives other implicit parameters under the hood that are accessible within the body of the function. One of these is thethisparameter which represents the object that is associated wit...
This kind-of result object that encapsulates (aka holds, manages, contains) the result of an asynchronous operation is a promise object.Promises, wrapping the asynchronous operation result, can be returned synchronously from a function, assigned to variables, or used as arguments. That's the idea...
In JavaScript, "undefined" is a variable that has been declared but has not been assigned a value. It is also the default value for function arguments that are not provided. On the other hand, "null" is an assignment value representing the intentional absence of any object value. It is ...
An arrow function is a shorthand for writing anonymous functions (functions without a name) in JavaScript. Arrow functions provide a more concise syntax compared to regular function expressions and do not have their own "this", "arguments", "super", or "new.target"....
Here, the term “vanilla” refers to uncustomized JavaScript. Many major companies use Vanilla JS, including Google, Microsoft, Apple, Amazon, and others. Vanilla JavaScript is an excellent way to learn the basics of JavaScript programming before adding in ties to more advanced features offered ...
Function Call –Call the function in your program to execute the code inside the function body. To call a function, you need to write the name of the function followed by its arguments, which are enclosed in parentheses. Function Definition –This defines the function by providing the code th...
When a copy of a class is created that inherits all the class properties and functions, it is called instantiating a class. To instantiate a class in Python, the class like it is called a function, passing the arguments defined by the __init__ method. The newly created object is the re...
This is the very first section of the blog. In this, we will be raising the curtains from the basics of Node Js. Node Js is a backend framework developed in 2009 by Ryan Dahl as a cross-platform Javascript runtime environment. Node Js runs on a V8 Javascript engine and is used to ...
So, what is the difference between a normal function and an arrow function? 🤔️ 1. this points to In JavaScript, thethisis a basic and important knowledge point. 1.1 Ordinary functions In ordinary functions,thisis dynamic, and its value depends on how the function is called. There are...