begin work on ex1.12

1 files changed, 37 insertions, 0 deletions

diff --git a/part1/anecdotes/src/App.js b/part1/anecdotes/src/App.js
new file mode 100644
index 0000000..efb32a2
--- /dev/null
+++ b/part1/anecdotes/src/App.js
@@ -0,0 +1,37 @@
+import { useState } from 'react'
+
+const Button = (props) => {
+  return (
+    <button onClick={props.onclick}>
+      {props.text}
+    </button>
+  )
+}
+
+const Display = (props) => {
+  return (
+    <p>{props.text} {props.count}</p>
+  )
+}
+
+const App = () => {
+  // save clicks of each button to its own state
+  const [good, setGood] = useState(0)
+  const [neutral, setNeutral] = useState(0)
+  const [bad, setBad] = useState(0)
+
+  return (
+    <div>
+      <h1>give feedback</h1>
+      <Button onclick={() => setGood(good + 1)} text="good" />
+      <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} />
+    </div>
+  )
+}
+
+export default App