Tell us what’s happening:
What is the point of giving keys. How can we use these keys?
**Your code so far**
const frontEndFrameworks = [
'React',
'Angular',
'Ember',
'Knockout',
'Backbone',
'Vue'
];
function Frameworks() {
const renderFrameworks = frontEndFrameworks.map(x => <li key={x}>{x}</li>)
return (
<div>
<h1>Popular Front End JavaScript Frameworks</h1>
<ul>
{renderFrameworks}
</ul>
</div>
);
};
**Your browser information:**
User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36
Challenge: Give Sibling Elements a Unique Key Attribute
Link to the challenge: