const arr = [
{ id: 1, language: 'javascript', room: 'A'},
{ id: 2, language: 'node.js', room: 'B' },
{ id: 3, language: 'typescript', room: 'C' },
{ id: 4, language: 'php', room: 'D' },
];
console.log(arr);
/*
run:
[{
id: 1,
language: "javascript",
room: "A"
}, {
id: 2,
language: "node.js",
room: "B"
}, {
id: 3,
language: "typescript",
room: "C"
}, {
id: 4,
language: "php",
room: "D"
}]
*/