Default value if var is undefined When a variable is declared but not assigned any value, it's default value is undefined. This can happen when you forget to initialize a variable or when a function returns undefined…
How to Check Image Resolution in Javascript Checking image resolution is an important task for web developers. It helps to ensure that the images are of the correct size and quality, which can impact the overall user…
Node.js: Creating a Buffer from a String In Node.js, a buffer is a temporary holding spot for data that is being moved from one place to another. Buffers can be created from various types of data, including strings. In…
How to Get tagName by Clicking on Elements? If you want to get the name of the tag of an HTML element by clicking on it, you can use JavaScript to achieve this. The tagName property returns the name of the tag of an…
Have you ever clicked on a link expecting to see something interesting, only to be greeted by the catchy tune of Rick Astley's 1987 hit "Never Gonna Give You Up"? If so, you've been "Rick Rolled" – a playful internet…
How to Add a Drop-Down List in jQuery Adding a drop-down list to your website allows users to select a value from a list of options. In this tutorial, we will show you how to add a drop-down list in jQuery. Step 1…
Javascript Print to PDF If you are looking for a way to print your web page or document as a PDF in Javascript, there are several ways to do it. Using jsPDF Library One of the most popular libraries for creating a PDF…
Using Promise.all() with async and await to run in console As a web developer, I have used Promise.all() with async and await to handle multiple asynchronous operations concurrently. This method returns a single Promise…
Lazy Image Loading in Vue Lazy loading is a technique that defers loading of non-critical resources at page load time. Lazy loading images can significantly reduce initial page load time and page weight, and lower the…
Split() JS Split() is a built-in JavaScript method that allows you to split a string into an array of substrings based on a specified separator. This method is particularly useful when working with strings that contain…
Remove Space From String in JavaScript If you want to remove spaces from a string using JavaScript, there are multiple ways to do it. Here are some of the ways: Using String.replace() method The easiest way to remove…
Understanding the Error: "React Hook 'useState' is called in function 'app' which is neither a React function component or a custom React Hook function react-hooks/rules-of-hooks" As a developer who has worked with…
How to Disable Keyboard Calendar Input in Material UI Datepicker ReactJS If you're using Material UI Datepicker in your ReactJS project, you might have noticed that it allows users to input the date via keyboard…
Get an Element from Outside of iFrame jQuery If you have an iFrame in your HTML document and you want to access the elements outside of it using jQuery, you can do so by using the parent() method. This method is used to…
How to Make Flutter App Accessible When Phone is Locked? If you want your Flutter app to be accessible even when the phone is locked, there are a few things you can do. 1. Use the Flutter Native Plugins Flutter has a…
Answering the Question "fsafsafsafsa" in HTML As a human, I have come across many questions that do not make any sense. One such question is "fsafsafsafsa." I am not sure what this question means or what kind of answer…
JavaScript - Error: Cannot Invoke an Expression Whose Type Lacks a Call Signature If you are a JavaScript developer, you might have come across errors that are difficult to understand. One such error is the "Cannot…
Vue Component Naming Convention When it comes to naming Vue components, there are a few conventions that developers commonly follow. The most popular one is the PascalCase convention, where each word in the component…
How to Display Uploaded Image in HTML Using JavaScript If you have ever built a website or a web application that requires image uploading, you might have wondered about how to display the uploaded image on the page…
Component on New Window Opening a new window is a common requirement in web applications. Sometimes, we need to display a component or module in a new window. For example, if we want to show a preview of a document or…