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+### DataTable
+
+Renders a table with rows dynamically created from an array of primitives.
+
+Render a `<table>` element with two columns (`ID` and `Value`).
+Use `Array.prototype.map` to render every item in `data` as a `<tr>` element, consisting of its index and value, give it a `key` produced from the concatenation of the two.
+
+```jsx
+function DataTable({ data }) {
+  return (
+    <table>
+      <thead>
+        <tr>
+          <th>ID</th>
+          <th>Value</th>
+        </tr>
+      </thead>
+      <tbody>
+        {data.map((val, i) =>
+          <tr key={`${i}_${val}`}>
+            <td>{i}</td>
+            <td>{val}</td>
+          </tr>
+        )}
+      </tbody>
+    </table>
+  );
+}
+```
+
+```jsx
+const people = ['John', 'Jesse'];
+ReactDOM.render(
+  <DataTable data={people} />,
+  document.getElementById('root')
+);
+```
+
+<!-- tags: array,functional -->
+
+<!-- expertise: 0 -->