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Front End Technology Articles
Page 635 of 652
How to Add Spinner Loader in NextJS?
We can use conditional rendering to only display the spinner when certain conditions are met, such as when data is being fetched from an API. Additionally, we can use CSS to style the spinner and make it match the overall design of our website. What is NextJS? Next.js is a JavaScript framework for building server-rendered React applications. It provides a set of features and tools that make it easy to build and deploy high-performance web applications, such as automatic code splitting, server-side rendering, and static site generation. Next.js also simplifies the setup process and provides a development environment that allows ...
Read MoreHow to add Popup in NextJS?
We can add a Popup in NextJS by using a library such as react-modal or reactjs-popup. This will allow us to create a modal component that can be easily integrated into our NextJS application. We can also use CSS to style the popup to match the design of our website. Let us first learn what Next.js is. Next.js is an open-source web development framework. The Next.js is React Based framework with server side rendering capability. Both speed and SEO are excellent. You can simply build and test sophisticated react-based applications using Next.js. Next.js is written in Typescripts. It offers a ...
Read MoreHow to add default vertical scaling to a text canvas using Fabric.js?
We can add default vertical scaling to a text canvas using Fabric.js by first creating a text object and then setting the "scaleY" property to the desired scaling value. Additionally, we can use the "setCoords()" method to update the object's coordinates to reflect the scaling change. Before diving into the approach let’s just have a quick look what Fabric.js is − What is Fabric.js? Fabric.js is a JavaScript library for creating and manipulating HTML5 canvas elements. It allows developers to create and manipulate canvas elements using an object-oriented API, making it easy to add, edit, and delete shapes, text, images, ...
Read MoreHow to add code input in React.js?
We can add code input in React.js by creating a component that renders an input field and handles user input. To do this, we can use the built-in React hooks such as useState to manage the input value and handle changes. Additionally, we can also use event handlers to handle user input and update the input value accordingly. Let us first understand what ReactJS and analyze the use of React Hook “useState” as it will be used inside the code. ReactJS React is a JavaScript library for building user interfaces. It makes it easy to create interactive UIs. Design simple ...
Read MoreHow to add an active class on click event in a custom list group in Bootstrap?
We can add an active class to a custom list group item in Bootstrap 4 by using JavaScript or jQuery. This can be achieved by adding an onclick event to each list group item and then using the "addClass" method to add the active class to the item that was clicked. By doing this, we can easily create a custom list group with an active state that changes based on user interaction. Bootstrap Intro Bootstrap is a popular open-source front-end development framework. It helps to create responsive and mobile-first webpages by providing a set of pre-designed CSS and JavaScript ...
Read MoreHow to add a line through to a canvas-type text using Fabric.js?
To add a line through to a canvas-type text using Fabric.js, you can use the "set('textDecoration', 'line-through')" method on the text object. This method allows you to set the textDecoration property of the text object to "line-through", which will add a line through the text. Finally, you need to call the "renderAll()" method to update the canvas with the new text decoration. Fabric.js is a JavaScript library for working with object-oriented canvas graphics. It provides an easy-to-use API for creating and manipulating canvas elements, such as shapes, text, and images. With Fabric.js, you can create complex canvas graphics and animations ...
Read MoreHow does the Fabric architecture work in React Native?
React Native's Fabric architecture is a performance-focused update to the traditional React architecture. It uses asynchronous rendering and a new reconciliation algorithm to improve app performance and reduce the time it takes to update the UI. Fabric also allows for more efficient use of memory and better handling of complex animations and interactions. The Problem In the current architecture, all the UI operations are handled by a sequence of cross-bridge steps. There are four core sections in the current architecture − The React code written by the developer (which is very similar to its web counterpart), The JavaScript that ...
Read MoreHow to add image before optgroup label using Bootstrap?
Introduction When building web pages using Bootstrap, it may be useful to add an image before the label of an optgroup element. This can help to visually group options within a select element and make the page more user-friendly. In this article, we will discuss adding an image before the label of an optgroup element using Bootstrap. What is an optgroup? An optgroup is an HTML element that groups related options within a select element. The optgroup element creates a label for the group of options, and the options within the optgroup are indented and visually grouped together. Syntax ...
Read MoreES6 Trampoline Function
In this tutorial, we will mainly focus on the Trampoline function that appeared first in ES6(ECMAScript 6). We will start with the discussion of the Trampoline function. Need of using the Trampoline function. Advantages and disadvantages of using the Trampoline function. Now, let’s see the Trampoline function. What is a Trampoline Function? The trampoline is just a mechanism for optimizing recursion and preventing stack-overflow errors in languages that do not provide tail call optimization, such as JavaScript ES5. To overcome this problem of tail call optimization, trampoline was introduced in ES6 version. A trampoline function is essentially a loop that ...
Read MoreHow to click anywhere on the page except one element using jQuery?
We will learn to check if users have clicked anywhere on the page except one element using JavaScript and jQuery. While working with the modals, we require to close the modal when the user clicks the outside of the modal. So, we can achieve that using various methods of JavaScript or jQuery. Also, there are other use cases where we need to check whether users have clicked on a particular element. For example, when users click outside the dropdown menu, close the dropdown menu; Otherwise, select the option from the dropdown menu. Here, we have different approaches to check if ...
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