How to useMaterial UI component in ReactJS
Material UI for React has this component available for us and it is very easy to integrate. We can use the error Property for TextField Component in ReactJS using the following approach.
Steps to Install MUI: Install the material-ui modules using the following command:
npm install @material-ui/core
Dependencies list after installtion
{
"dependencies": {
"@material-ui/core": "^4.12.4",
"@testing-library/jest-dom": "^5.17.0",
"@testing-library/react": "^13.4.0",
"@testing-library/user-event": "^13.5.0",
"react": "^18.2.0",
"react-dom": "^18.2.0",
"react-scripts": "5.0.1",
"web-vitals": "^2.1.4"
}
}
Example: Implemented TextField input from Material UI with input length validation.
Javascript
// Filename - App.js import React, { useState } from "react" ; import TextField from "@material-ui/core/TextField" ; import InputAdornment from "@material-ui/core/InputAdornment" ; const App = () => { const [mobile, setmobile] = useState( "" ); const [isError, setIsError] = useState( false ); return ( <div style={{ marginLeft: "40%" , }} > <h2> Validate Mobile number length in ReactJS? </h2> <TextField type= "tel" error={isError} value={mobile} label= "Enter Phone Number" onChange={(e) => { setmobile(e.target.value); if (e.target.value.length > 10) { return setIsError( true ); } setIsError( false ); }} InputProps={{ startAdornment: ( <InputAdornment position= "start" > +91 </InputAdornment> ), }} /> <h3> Your Mobile Number is: {isError ? "Invalid" : "+91" + mobile}{ " " } </h3> </div> ); }; export default App; |
Step to Run Application: Run the application using the following command from the root directory of the project.
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output. In the above example, we can see when the user exceeds the 10 digits, the TextField color turns to red to indicate the error, this is how we can validate mobile number length in ReactJS.
How to validate mobile number length in ReactJS ?
Validating mobile number length in React JS App is an important step to check whether the number entered by the user is genuine or not. It is effective in many case like creating a user form, collection of employee details, etc.
Approaches to validate mobile number length in React Js are
Table of Content
- Using JavaScript Regular Expression in React JS
- Using Material UI component