Set up project:
mkdir project
cd project
npm init -y| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
| // BrowserRouter is the router implementation for HTML5 browsers (vs Native). | |
| // Link is your replacement for anchor tags. | |
| // Route is the conditionally shown component based on matching a path to a URL. | |
| // Switch returns only the first matching route rather than all matching routes. | |
| import { | |
| BrowserRouter as Router, | |
| Link, | |
| Route, | |
| Switch, | |
| } from 'react-router-dom'; |