JAVASCRIPT

two dimensional array in javascript

let activities = [
    ['Work', 9],
    ['Eat', 1],
    ['Commute', 2],
    ['Play Game', 1],
    ['Sleep', 7]
];
Code language: JavaScript (javascript)

two dimensional array object in javascript

const IDs = Object.entries(formData?.Recipient).map(([k, v]) => v.map(item => item?.UserID));

this.setState({

  selectedUser : IDs.flat()
})
console.log(IDs.flat())