Javascript Library Articles - Page 5 of 18

"Process out of Memory" is an error that occurs when a Node.js program tries to use more memory than the system has available. This can happen when the program grows too big or runs for too long and can cause the system to stop working properly. To prevent this error, we may need to limit the amount of memory our program uses or find ways to optimize its performance. In this tutorial, we will learn about the "Process out of Memory Exception" in Node.js, what causes it to occur, and how to solve it. We will also explore some ... Read More

Emojis have become an essential part of modern communication. In this tutorial, we will learn how to create an emoji picker in NextJS, a popular React-based framework for building server-rendered applications An emoji picker is a UI component that displays a collection of emojis and allows users to select one or more emojis for use in their text. A well-designed emoji picker can improve the user experience and increase engagement on your site. In this tutorial, we will create an emoji picker that displays a grid of emojis and updates the selected emoji in the state. Steps to create ... Read More

The linear progress bar is often used to show download and upload percentages in the application. We can show the upload or downloaded completion percentage using the linear progress bar. Also, it improves the UX of the application as it shows progress with animation. In this tutorial, we will learn to show linear progress using the Material UI progress bar and custom progress bar. Use the Material UI to show the LinearProgress bar in ReactJS Users can use the below command in the React application to install the Material UI library. npm install @mui/material @emotion/react @emotion/styled ... Read More

The handleChange() is not a built-in function in the React, but as its name suggests, we can define it to handle changes that users made in the input. In the react, we need to handle the input whenever a user enters some value in the input field to make it editable. Here, we will learn to use the handleChange() function with single and multiple inputs. Use the handleChange() function with functional components In react, we can define the components using the function keyword and call them functional components. We can use hooks to manage the input value while using the ... Read More

The Material UI is a library containing various components with different styles and responsive designs. For example, Material UI contains an AppBar component, which we can directly import into the React component and use as a child component of other components. Also, the Material UI library contains different components like buttons, links, tab bars, pagination etc. Furthermore, we can manipulate every component by passing a prop while using the component. For example, we can make an AppBar responsive by passing the respected props. This tutorial will teach us to use the AppBar component in Material UI. Users should install the ... Read More

While working with the forms in React, sometimes we may require to focus on any input. For example, we want to enable the submit button only if the user enters some text in the input field. In such cases, we can focus on the input so that users know that they have to enter some text in the input field to enable the button. In this tutorial, we will learn multiple ways to focus on the input field after rendering in ReactJS. Use the autoFocus attribute with the input field We can use the autofocus attribute in HTML to focus ... Read More

ReactJS is a frontend library, so we can use it to create web pages. It’s natural to show data in real-time applications, and the backend manages it. So, whenever React needs data to show on the web page, it gets it from the backend by making API calls. Sometimes, we may require to send data to the backend to store it in the database. For example, we have taken the user’s profile image and need to send it to the backend to store it in the database. In many cases, we require to send single or multiple files to ... Read More

The Menu item component shows users various menu options, and they can select any option from the menu item component. The menu item component in React Js is similar to the element in HTML, or we can say it is a dropdown menu. Also, menu components contain a submenu to show multiple options for any menu item. Developers should use the HTML tag to implement menu item components from scratch. However, many React libraries available on the internet provide pre-designed Menu item components. So, we will use different libraries to build the menu item components below. Use ... Read More

Most of all, you have used Instagram and have looked at the Like button given below every post. There are two things to notice about Instagram Like button: one is its shape is a heart shape which we need to create, and another is it fills up with red colour when we Like someone's post. There are two different ways to create Instagram Like button. One is created from scratch using CSS and JavaScript, and another uses two different icons. One is filled, and another is outlined. Use the Material UI library We will use the FormControlLabel component from the ... Read More

The Fabric.js Circle class is used to provide the circle shape by using the fabric.Circle object. The Circle object is used to provide the circle shape, and the circle is movable, and it can be stretched according to the requirements. For the stroke, color, width, height, and fill color the Circle is customizable. Comparing to the canvas class the Circle class provides the rich functionality. The Circle class contains the different properties, but to change the selection background color of a canvas circle can be done using selectionBackgroundColor property. The selectionBackgroundColor property of a Fabric.js class specifies to change the ... Read More