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As a developer, while setting up a new project, we want our code to be clean, readable, and maintainable. To achieve this, we can use tools like ESLint, Prettier, and Husky in the React application. Understanding the tools ESLint ESLint is a popula...
In this article, we will be discussing javascript objects. We will see : What are javascript objects Different ways of creating them Different ways of accessing them What are javascript objects? Javascript objects are similar to real-world objec...
Recently in an interview, I was asked a question about multiple classes assigned to the same div in CSS. Let's see this in detail. Many classes can be assigned to the div by the following method. Just separate in class names with spaces like this. <...
In this article, we will see Promises. Promises in javascript are the same as promises in real-life ie result-oriented conditions. According to MDN : A Promise is a proxy for a value not necessarily known when the promise is created. It allows you ...
In this article, we will learn about closures According to MDN docs, A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). In other words, a closure gives you acc...
In this article, we will see scope, scope chain and lexical environment. Let us first see a script and try to guess its output function a(){ c() function c(){ console.log(b) } } var b=5; a(); //output:5 In the above program, the javascript engine wi...
In this article, we see debouncing and throttling with the help of code examples and use cases. Debouncing A common use case of debouncing is the search bar on a website. When we type something in the search bar, it makes an API call to fetch data f...
In this article, we will discuss local storage and session storage. Developers often use Web Storage API to store some data into the web browser. Web storage objects localStorage and sessionStorage allow to save key/value pairs in the browser. Ad...
In this article, we will see Hoisting along with some examples. Usually, people say in hoisting means variables and function declarations are physically moved to the top of your code, but this is not in fact what happens. According to MDN docs: The...
