let elements = ['one', 'two', 'three']; return ( <ul> {elements.map(function(value, index) { return <li key={index}>{value}</li> })} </ul> );
let elements = ['one', 'two', 'three']; return ( <ul> {elements.map(function(value, index) { return <li key={index}>{value}</li> })} </ul> );