JavaScript allows developers to create and manipulate style tags in order to change the appearance of a webpage. By using the document.createElement() method, the .sheet property, and the .insertRule() and .deleteRule() methods, we can add, modify, and remove CSS rules from a stylesheet. By combining these techniques with event listeners, ... Read More

Closures, Symbols, WeakMaps, class private fields, and Proxies are a few techniques that can be used to create a private variable in JavaScript. Every technique has benefits and drawbacks, so it's crucial to pick the one that best suits your requirements. Like many other programming languages, JavaScript has the ... Read More

Promise rejection handlers are a powerful tool in JavaScript for handling errors that occur in asynchronous code. In this article, we will learn how to build a global promise rejection handler in JavaScript and how it might assist your application manage errors. You can detect unhandled promise rejections using the ... Read More

Creating a function from a string in JavaScript can be helpful in situations when you need to generate a function dynamically at runtime or when you have a string that contains the code for a function you wish to execute. The ability to construct a function from a string ... Read More

There are many ways to convert a plain object into an ES6 Map in JavaScript. The simplest and most effective way is using the Object.entries() function and the Map() constructor. In contrast, the more flexible alternatives include Object.keys() and Array.prototype.forEach() and the for...in loop and Map() function method. A ... Read More

Converting pixel values to number values in JavaScript is a simple task that can be accomplished using built-in functions such as parseInt(), parseFloat(), Number() and also string method replace(). Each method has its own advantages and disadvantages and the best method to use will depend on the specific requirements of ... Read More

In JavaScript, there are many built-in methods that can convert a number into an array. The simplest one is to the split() method. We can also use the map(), reduce(), or form() methods to perform the task. Some of the most popular methods for converting a number into an array ... Read More

HTML5 includes a number of built-in form validation features that allow developers to easily add validation to their forms. One of these features is the "required" attribute, which specifies that an input field is required and must be filled out before the form can be submitted. The “required” attribute ... Read More

Data science integrates math and statistics, specialized programming, advanced analytics, machine learning, and artificial intelligence (AI) with specific subject matter expertise to reveal actionable insights hidden in an organization’s data. Data science is one of the fields which has shown the quickest growth rates across all industries. This is ... Read More

When we move from our academics into the industry, especially engineering individuals, we face a very common problem that we are mainly taught about the obsolete or near obsolete technologies. For example, many schools still use MATLAB. In the engineering sector, whether it is chemical engineer, electrical engineer, or nanoengineer, ... Read More