JSFiddle - React, Tailwind, and code Playground
JavaScript
let s = 1;
let r = 20;
let users = [{
"id": "1",
"chat_id": "73"
}, {
"id": "20",
"chat_id": "129"
}];
let rData = users[0].id == r ? users[0] : users[1];
let sData = users[0].id == s ? users[0] : users[1];
console.log('R:', rData);
console.log('S:', sData);