Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialTakuya Hirata
23,296 Pointsmap()
I think the map() method returns a new array. If so, how the code below works?
{props.initialPlayers.map( player => <Player name={player.name} score={player.score} key={player.id.toString()}/> )}
2 Answers
Robert Anthony
19,952 PointsIt returns an array with each array item containing a piece of JSX. When this is transpiled (converted to HTML and JavaScript) by Babel, it will appear as a set of HTML elements.
Takuya Hirata
23,296 PointsThanks Robert!