Category: JavaScript

Get JavaScript object from array of objects by value of property Working with arrays of objects is a common task in JavaScript development. Often, you may need to find a specific object in the array based on the value of a property. In this blog post, we will explore different solutions to this problem. Solution…

When working with HTML forms, there may be situations where you want to make a SELECT tag or an input field readonly. This can be useful when you want to display the value to the user but prevent them from modifying it. In this article, we will explore different ways to achieve this using JavaScript.…

Converting an Object to a String When working with JavaScript, you may come across situations where you need to convert an object to a string. This can be useful when you want to store the object in a database, send it over a network, or simply display it as a string in your application. There…

How can I get file extensions with JavaScript? Working with file extensions can be a common requirement when dealing with file uploads, file validations, or file management in JavaScript. In this blog post, we will explore different approaches to extract file extensions using JavaScript. 1. Using the split() method The split() method allows us to…

Optional function parameters are a common requirement in JavaScript development. They allow developers to define default values for parameters, which can be overridden when the function is called. Traditionally, developers have used various techniques to achieve optional parameters, but is there a better way to do it? Let’s explore some solutions. Solution 1: Using Default…

React-router URLs don’t work when refreshing or writing manually If you’ve been working with React and React-router, you may have encountered a common issue where the URLs of your application don’t work as expected when refreshing the page or manually typing them in the address bar. This can be quite frustrating, but fear not, there…

__proto__ VS. prototype in JavaScript When working with JavaScript, you may come across the terms “proto” and “prototype”. These two concepts are related to object inheritance and can sometimes be confusing. In this article, we will explore the differences between proto and prototype in JavaScript and how they are used. __proto__ The “proto” property is…

When working with arrays of objects in JavaScript, you may often come across the need to retrieve distinct values from the array. In other words, you want to remove any duplicate objects and only keep one instance of each unique object. In this blog post, we will explore different approaches to achieve this in JavaScript.…

How do I retrieve an HTML element’s actual width and height? As a JavaScript developer, you may often come across situations where you need to retrieve the actual width and height of an HTML element. Whether you want to dynamically adjust the layout or perform calculations based on the dimensions, knowing how to access this…

When working with JavaScript, it is often necessary to retrieve the current year. Whether you need to display the current year on a website or use it for some other purpose, there are several ways to accomplish this task. In this blog post, we will explore three different solutions to get the current year in…