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Articles by Rushi Javiya
Page 3 of 14
How to trigger the HTML button after hitting enter button in the textbox using JavaScript?
Generally, developers add the submit button to submit the input field's text. However, if they allow users to submit the input value by pressing enter, it improves the UX of the application. Here, we will learn the general way to detect the key press using the key listener event. Afterwards, we can perform any operation whenever the user presses the enter key button. Syntax Users can follow the syntax below to detect whenever the user presses the enter key. input.addEventListener("keypress", function (event) { if (event.keyCode == 13) { ...
Read MoreHow to trigger the onchange event on input type=range while dragging in Firefox?
The range input allows users to select any value within a specified range. By default, the onchange event only triggers when the user releases the mouse, not during dragging. This creates poor user experience as users can't see real-time value updates. The onchange event triggers only when the user releases the mouse button, so it won't update the value while dragging the range slider. This behavior occurs in all browsers, including Firefox, Chrome, and Safari. Let's examine this problem and explore the solution using the oninput event. Problem: onchange Event Limitation In this example, the range ...
Read MoreHow to trigger the setInterval loop immediately using JavaScript?
The setInterval() method allows us to continuously trigger a callback function after every particular time period. We can pass the callback function as the first parameter to trigger after every time period, and the time period in milliseconds as a second parameter. The setInterval() method invokes the callback function after a particular number of milliseconds for the first time. Now, the problem is we need to invoke the callback function instantly for the first time at 0 milliseconds, and after that, we need to invoke it continuously in the given time period. The Default Behavior Problem In ...
Read MoreHow to share code between Node.js and the browser?
Sharing code between the backend and front end of a full-stack application can be a challenging task. However, it's essential for building maintainable and scalable applications. By sharing code, we can avoid code duplication, reduce development time, and maintain consistency across our applications. In this tutorial, we'll explore different techniques for sharing code between Node.js and the browser and learn how to choose the best approach for our project. Techniques for Sharing Code Between Node.js and the Browser Users can follow the approaches below to share code between Node.js and the browser: CommonJS Modules CommonJS ...
Read MoreHow to use Ejs in JavaScript?
EJS is a templating language that allows us to generate HTML markup using plain JavaScript. It provides a simple and intuitive way to generate dynamic content in our web applications, making it easier to manage and organize our code. EJS is easy to use and can be integrated into any JavaScript project with just a few steps. In this tutorial, we will learn the basics of how to use EJS in JavaScript, including how to set up our project, create an EJS template, and render the template to generate dynamic HTML output. Steps to Use EJS in a ...
Read MoreHow to use SolverJS?
SolverJS is a comprehensive JavaScript package that provides a range of functions to help us solve common math problems. We know that web applications often require complex logic to function properly, and these logical solutions can easily become long and difficult to manage. This is where Solver JS comes in - it includes a wide range of general and complex mathematical solutions and provides functions not available in standard JavaScript. In this tutorial, we will learn how to use Solver JS and its various functions. The package includes functions such as date conversions, keyword extraction, string case checking, URL ...
Read MoreHow to update an object with setState in ReactJS?
In React, state objects store component data that can change over time. This tutorial covers how to update state objects using both class components with setState() and functional components with hooks. Using setState() in Class Components The setState() method is used to update state in class components. When updating nested objects, use the spread operator to preserve other properties. Syntax this.setState({ student: { ...this.state.student, fees: new_value, }, }); Example: Updating Simple State Object This example shows how to update a ...
Read MoreHow to Trim White Spaces from input in ReactJS?
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 find white spaces in the input, we should trim it; Otherwise, it can cause issues. For example, we need to store the email in the database, and while registering the email, the user has also added the white spaces by mistake, and we stored the email in the database ...
Read MoreHow to validate a Date in ReactJS?
Sometimes, we require to take the date from the users in string format. Users can make mistakes while entering the date value into the input field, so we need to validate the date string in our application code. Below, we will learn various solutions to validate dates in ReactJS. Using the Validator NPM Package The Validator is an NPM package that contains various methods to validate strings. It includes the isDate() method to validate date strings with any delimiter. It also contains methods to validate emails and phone numbers. Use the below command to install the ...
Read MoreHow to Validate an Email in ReactJS?
Email validation is an important feature we need to add to authentication forms. 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 themselves. Also, we need to validate the email while getting the user's email via contact forms. The user may enter the wrong email format due to some mistake. To correct users' mistakes, we can alert them by showing an error message. Below, we will learn two approaches to validate email addresses in ReactJS using different methods. Using the validator ...
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