task done

labs/lab4/src/Task.jsx

@@ -0,0 +1,38 @@
+import { useState } from "react";
+const ClickableEntry = (props)=>{
+    const [clickCount,updateClickCount] = useState(0)
+
+    const clickHandler = (event)=>{
+        updateClickCount(clickCount+1);
+        props.updateTotoal();
+    }
+
+    return(
+        <li onClick={clickHandler}>{props.text}{clickCount>0 && `(${clickCount})`}</li>
+    )
+
+}
+
+const Task = (props)=>{
+    const [totalClickCount,updateTotalClickCount] = useState(0)
+    const addOne =()=>{
+        updateTotalClickCount(totalClickCount+1);
+    } 
+    const books = ['Мастер и Маргарита',
+        'Белая гвардия',
+        'Война и мир',
+        'Анна карненина',
+        'Игрок',
+    ]
+    return(
+        <>
+        <ul>
+        {books.map((x,i)=><ClickableEntry text={x} key={i} updateTotoal={addOne}/>)}
+        </ul>
+        <p>Totoal:{totalClickCount}</p>
+        </>
+    )
+}
+
+
+export default Task;