How to focus on the next field input in ReactJS ? Last Updated : 10 Nov, 2023 Summarize Comments Improve Suggest changes Share Like Article Like Report To focus on the next field input in ReactJS when the current input field reaches its max character capacity, we have to find the next input HTML element and make it focus. Prerequisites:NPM & Node.jsReact JSHTML InputApproach:To focus on the next input field we will switch the focus to some event. Each time the user types in the current text field, we have to check whether the field has a maximum character that is specified. If yes, then we have to focus on the text input field. We can use focus() function to focus the particular input field. Steps to Create React Application:Step 1: Create a React application using the following command: npx create-react-app foldernameStep 2: After creating your project folder, i.e., foldername, move to it using the following command: cd foldernameProject Structure: Example: This example uses handleChange function to check the input lengeth and change the focus to next input. JavaScript // Filename - App.js import React from "react"; class App extends React.Component { render() { return ( <div> <InputFields></InputFields> </div> ); } } class InputFields extends React.Component { handleChange = (e) => { const { maxLength, value, name } = e.target; const [fieldName, fieldIndex] = name.split("-"); let fieldIntIndex = parseInt(fieldIndex, 10); // Check if no of char in field == maxlength if (value.length >= maxLength) { // It should not be last input field if (fieldIntIndex < 3) { // Get the next input field using it's name const nextfield = document.querySelector( `input[name=field-${fieldIntIndex + 1}]` ); // If found, focus the next field if (nextfield !== null) { nextfield.focus(); } } } }; render() { return ( <div style={{ padding: 30 }}> <InputFild name="field-1" length="3" handleChange={this.handleChange} /> <InputFild name="field-2" length="4" handleChange={this.handleChange} /> <InputFild name="field-3" length="3" handleChange={this.handleChange} /> </div> ); } } class InputFild extends React.Component { render() { return ( <input style={{ margin: 10 }} type="text" name={this.props.name} maxLength={this.props.length} onChange={this.props.handleChange} ></input> ); } } export default App; Steps to Run the Application: Use this command in the terminal inside the project directory. npm startOutput: This output will be visible on http://localhost:/3000 on the browser window. Comment More infoAdvertise with us Next Article How to set input box to be a floating number in ReactJS ? K KapilChhipa Follow Improve Article Tags : Web Technologies ReactJS javascript-functions React-Questions Similar Reads How to Remove Focus from Input Field in TypeScript ? Removing the focus from an input field is a common requirement in web development. This can be useful in scenarios like form validation, user interactions, or controlling focus behavior. The below approaches can be used to achieve this task in TypeScript:Table of Content Using the blur() methodSetti 3 min read How to create basic text input in React Native ? Text input is a basic component that allows users to input text through the keyboard. It is widely used in mobile applications for taking usernames, passwords, user details, and much more.In React Native, we have a TextInput component to achieve this. It comes with many props that help us to modify 4 min read How to add code input in React JS? In this article, we are going to learn how we can add Code Input in React JS. React is a front-end JavaScript library for constructing user interfaces or UI components. It is maintained by Facebook and a community of individual developers and companies. Approach to add code input: To incorporate our 2 min read How to set input box to be a floating number in ReactJS ? When working with forms in ReactJS, you may encounter scenarios where you need to accept floating-point numbers as input from users. We will set an input box to accept floating numbers in ReactJS and handle the validation of the entered values. PrerequisitesReact JS NPM and Node.jsApproach If we wan 2 min read How to add Phone Input in Next.js ? In this article, we are going to learn how we can add phone input in NextJs. NextJS is a React-based framework. It has the power to Develop beautiful Web applications for different platforms like Windows, Linux, and mac.ApproachTo add our phone input we are going to use the react-phone-input-2 packa 2 min read How to add AutoSize Input in React.js ? We are going to learn how we can add AutoSize input in ReactJs. React is a free and open-source front-end JavaScript library for building user interfaces or UI components. Prerequisites:Nodejs and NPMReact JSApproach: Â To add our autosize input we are going to use the react-input-autosize package. T 2 min read Like