Dynamic Forms are nothing but one of the crucial parts of a web app. It plays a vital role in collecting data or information about the users. Developers are responsible to validate those input data in the form fields in order to provide a good user experience.
There are two types of forms inputs in React,
- Uncontrolled Component
- Controlled Component
To add multiple input fields dynamically in JavaScript,
- Creating a copy of a field group to be used as a template.
- Getting the container of the input fields.
- Set input fields id is based on the total number of form groups in the parent.
- addinput() - make sure this method adds to the button.
- At the end insert the input form before the end of the parent form.
The main purpose of the forms is to collect the required information or data in a meaningful fashion and logically for communication and pass to another entity. It is advisable to have a JavaScript function that handles the form submission and also has access to the form's user data. The traditional way to do this technique is called 'controlled components'. The benefits of forms are increased efficiency of employees and reduced volume of work. Instead of manually putting the data into the databases, we can automate the process by directing the data from the forms to the databases.
Here is an example of how you can add form fields dynamically in ReactJS:
Fig : Preview of the output that you will get on running this code from your IDE.
Code
In this solution we're using React and Reactstrap libraries.
Instructions
Follow the steps carefully to get the output easily.
- Install the Node.js and React on your IDE(preferable Visual Studio Code).
- Create React Application using npx create-react-app foldername.
- cd foldername.
- Install npm i reactstrap.
- Open the folder in IDE.
- Copy the code using "copy" button above and paste it in index.js file(remove the earlier code from index.js).
- Open the terminal from IDE.
- npm start to run the file.
I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.
I found this code snippet by searching for 'how to add form fields dynamically in reactjs' in kandi. You can try any such use case!
Environment Tested
I tested this solution in the following versions. Be mindful of changes when working with other versions.
- The solution is created in Visual Studio Code 1.73.1.
- The solution is tested on node v18.12.1 and npm v8.19.2.
- React version-18.2.0.
- Reactstrap version-9.0.2.
Using this solution, we are able to add form fields dynamically in reactjs with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to add form fields dynamically in reactjs.
Dependent Libraries
reactby facebook
The library for web and native user interfaces
reactby facebook
JavaScript 209050 Version:v18.2.0 License: Permissive (MIT)
reactstrapby reactstrap
Simple React Bootstrap 5 components
reactstrapby reactstrap
JavaScript 10504 Version:v9.1.10 License: Permissive (MIT)
You can also search for any dependent libraries on kandi like 'react' and 'reactstrap'.
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