diff options
Diffstat (limited to 'part1/unicafe/src/App.js')
-rw-r--r-- | part1/unicafe/src/App.js | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/part1/unicafe/src/App.js b/part1/unicafe/src/App.js index 1b6f57e..4210f9c 100644 --- a/part1/unicafe/src/App.js +++ b/part1/unicafe/src/App.js @@ -14,6 +14,26 @@ const Display = (props) => { ) } +const Statistics = (props) => { + const good = props.good + const bad = props.bad + const neutral = props.neutral + const total = good + neutral + bad + + const average = (good - bad) / 9.0 + const positive_percent = (good/total) * 100 + return ( + <> + <Display text="good" count={good} /> + <Display text="neutral" count={bad} /> + <Display text="bad" count={bad} /> + <Display text="all" count={total} /> + <Display text="average" count={average} /> + <Display text="positive(%)" count={positive_percent} /> + </> + ) +} + const App = () => { // save clicks of each button to its own state const [good, setGood] = useState(0) @@ -27,12 +47,7 @@ const App = () => { <Button onclick={() => setNeutral(neutral + 1)} text="neutral" /> <Button onclick={() => setBad(bad + 1)} text="bad" /> <h2>statistics</h2> - <Display text="good" count={good} /> - <Display text="neutral" count={neutral} /> - <Display text="bad" count={bad} /> - <Display text="all" count={good + neutral + bad} /> - <Display text="average" count={(good - bad) / 9.0} /> - <Display text="positive(%)" count={(good/(good + neutral + bad)) * 100} /> + <Statistics good={good} neutral={neutral} bad={bad} /> </div> ) } |