Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

var arr = [{
    "name": "amit",
        "online": true
}, {
    "name": "rohit",
        "online": false
}, {
    "name": "kk",
        "online": true
}, {
    "name": "mohit",
        "online": true
}];
var onlineUsers=arr.filter(function (x) {
    return x.online;
});
console.log(onlineUsers.length)

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