emboitement d'éléments

README.md

@@ -26,6 +26,7 @@ où `tag` peut prendre comme valeur :
 
 * `v0` : premier exemple basique avec *React*  
    voir `/src/scripts/main.js` et le point d'insertion `#insertReactHere` dans `/src/index.html`
+* `v0.5` : second exemple avec création d'un emboitement d'éléments  
 
 Faire ```git checkout main``` pour revenir à la version finale.
 

src/scripts/main.js

@@ -4,11 +4,16 @@ import { createRoot } from 'react-dom/client';
 const bootstrapReact = () => {
       const root = createRoot(document.getElementById('insertReactHere'));  // DOM existing parent for created element = "insertion point"
 
-      root.render(
-         React.createElement('h3',                                          // element created by react
-                             null, 
-                             'I am a simple component generated with React'),  
-      );
+   // create an h3 element with text as child
+   const innerH3 = React.createElement('h3', null, 'Elements created by React');
+   // create a div element with text as child
+   const innerDiv1 = React.createElement('div', null, 'this div, created by React, is in an article');
+   // create a div element with text as child
+   const innerDiv2 = React.createElement('div', null, 'this div, created by React, is in the same article');
+   // create an article div element with three above created elements as children
+   const article = React.createElement('article', null, innerH3, innerDiv1, innerDiv2);
+
+   root.render(article);
    }
 
 window.addEventListener('DOMContentLoaded', bootstrapReact);