Cache memory, often known as cache, is a different memory system in a computer that stores frequently used data and instructions for a short period. While loading a website, the browser we are using will automatically cache some resources, such as images, scripts, and stylesheets, to be utilized again when ... Read More

In the HTML, the radio buttons allow developers to create multiple options for a choice. Users can select any option, and we can get its value and know which option users have selected from the multiple options. So, it is important to check which radio button the user selects to ... Read More

In this tutorial, we will understand the special features of Javascript. Javascript is a popular programming language. Javascript features are flexible. Many open-source libraries are available. GitHub contains a large volume of Javascript code by developers across the world. Javascript works well in the front end and back end. Javascript ... Read More

Nowadays, many applications allow their users to upload and download files. For example, plagiarism checker tools allow users to upload a document file with some text. After that, it checks for plagiarism and generates a report, and users can download it. Everyone knows to create an upload file button using ... Read More

On the internet, we will find very few websites that don’t contain the form. Most websites contain the contact form, some contain the job application form, and some contain the product order form. The form allows us to take input from users and manipulate it at the front end or ... Read More

Nowadays, validation of mobile number input is a required feature for any application, and it requires validation of the length of the mobile number. Many apps use the mobile number for authentication purposes, sending OTP to users' mobile numbers for successful authentication. If the user enters the wrong mobile number, ... Read More

Email validation is an important feature we need to add to the authentication form. Nowadays, most applications use email and a one-time password for authentication. If the user enters the wrong email, they should not be able to authenticate their selves. Also, we need to validate the email while getting ... Read More

Sometimes, we require to take the date from the users' string format. So, users can make mistakes while entering the date value into the input field. So, we need to validate the date string at our end in the application code. Below, we will learn various solutions to validate the ... Read More

We will learn to trim white spaces from the input in ReactJS. Sometimes, users add unnecessary space at the start or end of the input by mistake. So, as a developer, we need to check if the input string contains the white space at the start or end. If we ... Read More

ReactJS allows us to define a state object for every component. In the state object, we can add the different variables as a property of the state object. After that, we can use the state variables inside the component to render or perform other operations in the component. This ... Read More