Ways to showcase the contents of a React JavaScript document, or more specifically, a file designed for React interpretation

After trying multiple solutions, I found a conceptual guide on How to call and form a React.js function from HTML. However, the HTML generated doesn't seem to be calling from the JavaScript file as expected. It appears identical to what is mentioned in the Stack Overflow post, so I suspect it may involve an issue with the Babel version.

Any help would be greatly appreciated!

EDIT: Here is the JavaScript code for reference:

[JS code here]

EDIT 2:

React CLI Output:

[CLI output here]

Answer №1

To ensure that your JavaScript code can be executed by the client's browser, it needs to be requested by inserting a <script> tag in your HTML document. The tag should look something like this:

<script src="https://example.com/my-react-code.js"></script>

If you skip this step, your code will remain dormant on your server.

Before loading the file, your code must be transpiled as noted by @Vijay in the comments section. Transpiling involves converting your code written in EcmaScript 2015 (a modern version of JavaScript) into a format supported by most browsers for proper execution. Tools like Babel can help with this process. For detailed instructions on setting up Babel in various environments, refer to their setup page.

To use Babel for transpiling, follow these steps:

  1. Save your code in a file named src/my-react-code.js.
  2. Install Babel locally using npm install --save-dev babel-cli.
  3. Transpile the source file to create a new file named dist/my-react-code.js using the command:
    ./node_modules/.bin/babel src -d dist
    .

Nevertheless, some additional steps are required beyond what has been mentioned here. Your source file should import packages like React using import React from 'react';, along with any other necessary dependencies. Also, configuring Babel may involve installing plugins such as babel-preset-es2015, babel-preset-react, and babel-preset-stage-0. Make sure to create a .babelrc configuration file specifying the presets to be used.

The usage of Babel via the command line is further documented at https://babeljs.io/docs/setup/ under different environment options. Remember, after successful transpilation, compare the original source code with the final result to see the adaptations made by Babel to enable compatibility with older JavaScript versions.

Exploring various configurations and tools like bundlers (browserify, webpack), build automation tools (grunt, gulp), and testing frameworks (mocha, jest) can enhance your development workflow. It is vital to tailor your work environment based on your preferences while utilizing these resources effectively.

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