Posted in react
6029
4:00 am, October 11, 2021
 

react hello world with variable name

i was just testing some of the hello world examples on the react site, and as they use JSX they cant be directly entered into your code, so you need to run a pre compiler (not sure of the exact term for this) but if you add them to code pen in babel and then you can compile it to raw javascript or react.

HTML

<div id="root"></div>

Scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/18.0.0-alpha-5fa4d79b0-20211008/umd/react.production.min.js" integrity="sha512-5PVmWGoNJocWPdQJmJd1aRbz3cFcFgXctWKLWcitqtgX64jF+ttfg9g2oLltmeQ1HUo3gT6QchaMK3h+S+JG4Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/18.0.0-alpha-5fa4d79b0-20211008/umd/react-dom.production.min.js" integrity="sha512-pUsjUv+9XgkTn+UbLyNIT4YNZPF2p0E45FBKmDL7Ti8iovYwp2CUkQs6Q7J9y5scLxWaOM+T5jJc0ls+WHUcmQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

<!--
<script src="https://unpkg.com/react/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom/umd/react-dom.development.js"></script>-->

Javascript

/*
const name = 'KruXoR';
const element = Hello, {name};

ReactDOM.render(
  element,
  document.getElementById('root')
);
*/

function formatName(user) {
  return user.firstName + ' ' + user.lastName;
}

const user = {
  firstName: 'Luke',
  lastName: '@kruxor' };


const element = /*#__PURE__*/React.createElement("h1", null, "Hello, ", formatName(user), "!");

ReactDOM.render(element, document.getElementById('root'));

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This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...

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