It doesn’t matter if you are a front-end developer or back-end developer before storing or passing data you need to validate it. The data validation process can be complex or may be tricky sometimes. Validation is required because we face different types of users some of them know about the values that they enter and
Nowadays, exporting data to PDF is common. The PDF files can contain links, buttons, tables, and formatted data like doc files and can be electronically signed as actual documents. While providing bulk download functionality to users, PDF can be an idle choice. It can be useful to provide dynamically created data offline. There are plenty
An array is a very useful data type to store multiple values structurally in every programming language. While in web development, JavaScript handles front-end data storage. Manipulating arrays is pretty common in JavaScript. It contains operations like adding, removing, or deleting some elements from an array. But sometimes, we need to remove duplicate elements from
JavaScript has in-built functions for strings like slice(), substring(), and replace() methods. Here, we will use in-built methods like toUpperCase() and toLowerCase(). In this tutorial, we will convert a string into uppercase and lowercase with JavaScript. Convert String Into Uppercase In JavaScript String conversion to uppercase is frequently used in web development. Here, we store
You have seen some websites that automatically refresh or reload the webpage after some specific time like 60 seconds. Also, you have noticed some website updates frequently. Auto refresh functionality is generally used to provide fresh content to a user without the user needing to perform any type of action. Webpages like live scores, result
While working with files, sometimes we need to validate file extensions or get file extensions for independent use like displaying files based on extensions. With HTML input, we can ask a user to upload a file to a webpage. Validating user input is necessary during file upload. It can be risky to enable users to
Sometimes we face a requirement to show a video preview to a user before uploading it to the server. Social media sites like Facebook and Twitter provide this type of functionality so users can see which video file is selected. We can create similar functionality for showing video previews easily using JavaScript. In this article,
Sometimes we face a requirement to show an image preview to users before uploading to a server so they can verify which image or images are selected by them and if wrong images are selected then they can remove them before uploading to a server. Social media sites and hosting platforms provide this type of
JavaScript frameworks have revolutionized web development, enabling developers to build powerful and dynamic applications efficiently. As technology progresses, new frameworks emerge, each with its own unique features and advantages. In this post, we’ll explore the top 10 JavaScript frameworks that are dominating the web development landscape in 2023. From established giants to up-and-coming stars, these
Counting the number of characters in a textarea is a common requirement in website development. There can be various reasons for that like enforcing a character limit or providing a live character count for user input, JavaScript offers a simple and effective way to achieve this. In this blog post, we will explore how to
