#Unpkg babel code#

ReactDOM.render( Hello World, document.getElementById( 'root'))Īs you can see, we put the HTML element of h1 in the middle of Javascript's code as a parameter. Instead, in the next section you will set up a JSX preprocessor to convert all your tags automatically. When youre ready to move forward, remove this new tag and the type 'text / babel' attributes you ve added.

However, it makes your website slow and isnt suitable for production. If you are compiling generators or async function to ES5, and you are using a version of babel/core or babel/plugin-transform-regenerator older than 7.18.0, you must also load the regenerator runtime package. This approach is fine for learning and creating simple demos.

#Unpkg babel download#

The download weight difference is huge if we don't really need Babel. Find out the best CDN to use with babel-polyfill or use multiple CDN as fallback. As of Babel 7.4.0, this package has been deprecated in favor of directly including core-js/stable (to polyfill ECMAScript features). There is another (and probably better) way with HTM (Hyperscript Tagged Markup) a JSX alternative using standard tagged templates made by developit, creator of Preact. Since we need Babel to translate the JSX, we will run the ReactDOM.render() in. That's right, your code is not optimized and loading Babel can be too heavy. The is the container for our entire application. Find out the best CDN to use with babel-polyfill or use multiple CDN as fallback. Īnything between the opening and the closing div tag is where React will render what we've created. but i have problem when im importing another file. Let's create a with id='root' in an index.html file. Hi guys im using React and React-DOM unpkg to add react to my webpage. We also need Babel to convert the JSX syntax.

This way, you can see and understand how react-dom dependency works under the hood. In this article, we will look at a brief overview of the following key components that comprise the React Ecosystem. We can see it this way: ReactDOM.render(WHAT to render, WHERE to render)īefore we dive in, in this post, we will use both React, and ReactDOM CDN links in an HTML file to run the React app instead of installing the create-react-app. One functionality of ReactDOM is to render React elements to the web page, which can be achieved with ReactDOM.render() method.