Looping through nested object in JavaScript

Question

I want to looping through servers javascript object and get the serverName and serverStatus

let servers = {
  server1: {
    serverName: "India",
    serverStatus: "fair"
  },
  server2: {
    serverName: "USA",
    serverStatus: "Good"
  },
  server3: {
    serverName: "Aus",
    serverStatus: "Excelent"
  },
  server4: {
    serverName: "England",
    serverStatus: "Super"
  }
}

for (let server in servers) {
  for (let s in server) {
    console.log(s.serverName);
  }
}

Can you change the structure of servers? Using an object in that way is really inconvenient. servers should be an array. — 3limin4t0r
– 3limin4t0r, Commented Jul 13, 2020 at 15:51
This might help you - stackoverflow.com/questions/8312459/… — Vna
– Vna, Commented Jul 13, 2020 at 15:53

Barmar · Accepted Answer · 2020-07-13 15:55:15Z

4

You don't need nested loops. The first loop loops through the property names, you just need to access the corresponding property.

let servers = {
  server1: {
    serverName: "India",
    serverStatus: "fair"
  },
  server2: {
    serverName: "USA",
    serverStatus: "Good"
  },
  server3: {
    serverName: "Aus",
    serverStatus: "Excelent"
  },
  server4: {
    serverName: "England",
    serverStatus: "Super"
  }
}

for (let server in servers) {
  console.log(`Name: ${servers[server].serverName} Status: ${servers[server].serverStatus}`);
}

edited Jul 13, 2020 at 15:55

answered Jul 13, 2020 at 15:51

Barmar

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1 Comment

KcH Over a year ago

also for status , servers[server].serverStatus :) Thanks for a quick sol sir

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