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Tag Archives: JavaScript-Questions

In this article, we will learn to find the maximum resolution supported by the camera. We need to request camera access from the user and… Read More
In this article, we will try to understand how we may handle Promise’s rejection with a try/catch block while using await inside an asynchronous (having… Read More
It would be great if selecting text on a webpage showed some options like copy, paste, or share. A selection menu accomplishes this. Basically, it… Read More
In this article, we will try to analyze how we may handle an undefined key (or a property of an object) in JavaScript using certain… Read More
CoffeeScript is a lightweight programming language that compiles into JavaScript. It provides simple and easy-to-learn syntax, avoiding the complex syntax of JavaScript. CoffeeScript is influenced… Read More
In this article, we will try to understand what is the scope of a variable as well as its function (or a method). We will… Read More
tsconfig.json file is a file of JSON format which allows us to point the root level files and different compiler options to setup that require… Read More
Here the job is to apply restrictions so that a function can not be called more than one time. The user will be able to… Read More
In this article, we are going to learn about the readyStates of a request in AJAX. readyState is an XMLHttpRequest property.  There are five ready… Read More
In this article, we will learn how can we stop or cancel the already sent HTTP request to the server. XMLHttpRequest is an object that… Read More
What is Polymorphism? Polymorphism is one of the core concepts of object-oriented programming language. Polymorphism means the same function with different signatures is called many… Read More
API stands for Application Programming Interface. An API is a set of pre-built programs that can be used with the help of JavaScript. APIs are… Read More
In this article, we will first understand in brief the Promise.all() as well as Promise.allSettled() methods and then we will try to visualize how do… Read More
In this article, we will first try to understand how we may declare or use Promise.any() and Promise.race() methods followed by some facts which will… Read More
The frequently Asked Questions (FAQ) section is one of the most important sections of any website, especially if you are providing services. If you want… Read More

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