how to print an array inside another array in react
return(
<div>
{Object.keys(data).map((key) => {
return (
<div key={key}>
<h1>{key}</h1>
{data[key].map((dataItem) => {
return (
<span key={dataItem.user}>{dataItem.id}</span>
)
})}
</div>
)
})}
</div>
)