freeCodeCamp/guide/english/certifications/front-end-libraries/react/give-sibling-elements-a-unique-key-attribute/index.md

title

title
Give Sibling Elements a Unique Key Attribute

Give Sibling Elements a Unique Key Attribute

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Hints

Hint 1

It is just almost same as previous challenge. Just you need to add key attribute.

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Solutions

Solution 1 (Click to Show/Hide)

Just add key attribute to the <li> tag to make unique

const renderFrameworks = frontEndFrameworks.map((item) =>
  <li key={item+1}>{item}</li>
);