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Interview Questions for Senior Javascript Developer
Introduction As a Senior Javascript Developer, you will be responsible for developing and maintaining web applications using Javascript. You will need to have a strong understanding of the language and be able to write efficient code. To ensure that you are the right fit for the job, employers will ask you a variety of questions…
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A Comprehensive Tutorial on Building Real-time Applications in Node.js
Introduction Real-time applications are becoming increasingly popular in the world of web development. Node.js is a powerful platform for building real-time applications. It is an open-source, cross-platform JavaScript runtime environment that allows developers to create highly scalable and efficient applications. In this tutorial, we will explore the basics of building real-time applications in Node.js. What…
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How to Use Document.write in JavaScript
What is Document.write? Document.write is a JavaScript command that allows you to write HTML directly into the page. It is a powerful tool that can be used to create dynamic web pages. It is important to note that document.write should only be used for small amounts of HTML, as it can cause problems with page…
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How to Parse XML in Node.js with Example Code
Introduction XML (Extensible Markup Language) is a markup language that is used to store and transport data. It is a popular data format used for data interchange on the web. Node.js is a JavaScript runtime environment that allows developers to create server-side applications. In this article, we will learn how to parse XML in Node.js…
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Optimizing HTML and JavaScript Code with Async and Defer
What is Async and Defer? Async and Defer are two attributes that can be used in the <script> tag to optimize the loading of JavaScript files. Async and Defer are both used to tell the browser to download the JavaScript file while the HTML document is still being parsed. The difference between the two is…
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Optimizing Javascript Code for Performance
Introduction Javascript is a powerful language that can be used to create dynamic and interactive web applications. However, it is important to optimize your code for performance in order to ensure that your application runs smoothly and efficiently. In this article, we will discuss some tips and techniques for optimizing your Javascript code. Minimizing Code…
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Optimizing Node.js Code: Tips and Examples
Introduction Node.js is a powerful and popular JavaScript runtime environment that is used to build and run web applications. It is an open-source, cross-platform runtime environment for developing server-side and networking applications. Node.js applications are written in JavaScript and can be run on a variety of platforms, including Windows, Mac OS X, and Linux. Node.js…
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How to Create Your First React App Tutorial
Introduction React is a popular JavaScript library for building user interfaces. It is used by many companies and developers around the world to create powerful web applications. In this tutorial, we will show you how to create your first React app and get started with the basics. Prerequisites Before you begin, you should have a…
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How to Get the Size of the Screen, Current Web Page and Browser Window in JavaScript
Introduction Knowing the size of the screen, current web page and browser window can be useful for many web development tasks. In this article, we will look at how to get the size of the screen, current web page and browser window in JavaScript. Getting the Size of the Screen The object in JavaScript contains…
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How to Set a Default Parameter Value for a JavaScript Function
Introduction Default parameter values are a great way to make your JavaScript functions more flexible and easier to use. By setting a default value for a parameter, you can make sure that the function will always have a value to work with, even if the user doesn’t provide one. In this article, we’ll look at…