how to use map in javascript react code example

Example 1: react map

{array.map((item)=>{
  return (
    <div key={item.id}>I am one Object in the Array {item}</div>
  )
})}

Example 2: how map work in react

{this.state.data.map((person) => <TableRow key = {shortid.generate()} data = {person} />)}