Traduccio API- Requeriments de l'Entorn de JavaScript

content/docs/reference-javascript-environment-requirements.md

@@ -1,14 +1,14 @@
 ---
 id: javascript-environment-requirements
-title: JavaScript Environment Requirements
+title: Requeriments de l'Entorn de JavaScript
 layout: docs
 category: Reference
 permalink: docs/javascript-environment-requirements.html
 ---
 
-React 16 depends on the collection types [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) and [Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set). If you support older browsers and devices which may not yet provide these natively (e.g. IE < 11) or which have non-compliant implementations (e.g. IE 11), consider including a global polyfill in your bundled application, such as [core-js](https://github.com/zloirock/core-js) or [babel-polyfill](https://babeljs.io/docs/usage/polyfill/).
+React 16 depèn dels tipus de col·lecció [Map](https://developer.mozilla.org/ca/docs/Web/JavaScript/Referencia/Objectes_globals/Map) i [Set](https://developer.mozilla.org/ca/docs/Web/JavaScript/Reference/Global_Objects/Set). Si vols compatibilitat amb els navegadors i dispositius més antics que no poden proporcionar aquests productes de forma nativa (per exemple, IE < 11) o que tenen implementacions no compatibles (per exemple IE 11), considera incloure un *polyfill* global a la teva aplicació, com ara [core-js](https:github.com/zloirock/core-js) o [babel-polyfill](https:babeljs.io/docs/age).
 
-A polyfilled environment for React 16 using core-js to support older browsers might look like:
+Un entorn *polyfilled* de React 16 que faci servir *core-js* per fer-lo compatible amb els navegadors més antics es podria semblar a:
 
 ```js
 import 'core-js/es/map';
@@ -23,8 +23,8 @@ ReactDOM.render(
 );
 ```
 
-React also depends on `requestAnimationFrame` (even in test environments).  
-You can use the [raf](https://www.npmjs.com/package/raf) package to shim `requestAnimationFrame`:
+React també depèn de `requestAnimationFrame` (fins i tot en entorns de test). 
+Pots fer servir el paquet [raf](https://www.npmjs.com/package/raf) per a apedaçar `requestAnimationFrame`:
 
 ```js
 import 'raf/polyfill';