requestAnimationFrame & polyfill in React 16

If you read my previous post, “My first time using React 16.0”, you know that I got the following warning when I typed npm run test in Terminal: > react-universal-blog-app@1.0.0 test /Users/mariacam/Development/react-universal-blog-app > jest PASS src/sum.test.js PASS src/App.test.js ‚óŹ Console console.error node_modules/fbjs/lib/warning.js:33 Warning: React depends on requestAnimationFrame. Make sure that you load a polyfill in older browsers. Test Suites: 2 passed, 2 total Tests: 2 passed, 2 total Snapshots: 0 total Time: 1. [Read More]