Tiempo de lectura: 2 minutos Today we are going to learn how we can integrate tests with Jest that allow us to test the React components created. The first thing we have to do is install Jest: npm install –save-dev jest Install testing-library/jest-dom: npm install –save-dev @testing-library/jest-dom We installed ts-jest npm install –save-dev ts-jest We installed: npm install –save-dev babel-jest … Read more
Tiempo de lectura: < 1 minuto A few weeks ago, I updated a PHP website to Next.js with React, and to my surprise, when I loaded the page, it displayed the PHP version without loading the previous resources correctly because they did not exist. To solve this issue, we can try loading a file that was included in the previous website … Read more
Tiempo de lectura: 2 minutos Today we’re going to see how we can communicate a web created with React with an iFrame or frame in React or HTML with JavaScript. Loading the Frame We create an iframe: <iframe src={urlCargar} style={{ width: ‘100%’, height: ‘500px’ }} /> In urlCargar we put the URL of the web from which we want to … Read more
Tiempo de lectura: 2 minutos Photo by Pixabay In this example, we’ll see how to dynamically generate options for a select element in HTML using JSON data and JavaScript. First, let’s display the array of elements we’ll use as an example: const jsonData = [ { id: 1, name: “NameDevCodelight1” }, { id: 2, name: “NameDevCodelight2” }, { id: 3, … Read more
Tiempo de lectura: 2 minutos Photo by James Wheeler In this example, I’m going to show a basic structure for making a POST type AJAX request with jQuery in JavaScript. First, we define the parameters of the AJAX request. Here, we set the URL to which we’ll send the request, the type of request which will be POST, and the … Read more
Tiempo de lectura: 2 minutos Photo by Yaqui Zanni In this example, I’m going to show a basic structure for making a GET type AJAX request with jQuery in JavaScript. First, we define the parameters of the AJAX request. Here, we set the URL to which we’ll send the request, the type of request which will be GET, and the … Read more
Tiempo de lectura: 2 minutos To create a horizontal menu with different options that change content based on the selected option, follow these steps. First, create an unordered list (<ul>) representing your menu and give it some styles to remove bullets and set a dark background. Each list item (<li>) represents a menu option and is floated left (float: left) … Read more
Tiempo de lectura: 2 minutos html Copy code In Node.js, you can use middlewares in Express.js to customize the handling of HTTP requests before or after they reach the routes. In this tutorial, you will learn how to create a middleware that extracts the X-REAL-IP and x-forwarded-for headers from incoming HTTP calls in your Express application. Prerequisites: Node.js installed on … Read more
Tiempo de lectura: 3 minutos To create a horizontal menu with different options and change the content based on the selected option, you need to follow these steps. First, create an unordered list <ul> that represents your menu and give it some styles to remove bullets and give it a dark background. Each list item <li> represents an option in … Read more
Tiempo de lectura: 3 minutos html Copy code In this tutorial, we are going to build an interactive tip calculator that allows users to input their bill amount and desired tip percentage. As users enter these values, the calculator will automatically display the total amount to pay, which can be useful in situations like dining at a restaurant. Here are … Read more
