Javascript loop through object array?

Question

I am trying to loop through the following:

{
    \"messages\": [{
        \"msgFrom\": \"13223821242\",
        \"msgBody\": \"Hi there\"
    }, {
        \"         


        

Answer 1

You can use forEach method to iterate over array of objects.

data.messages.forEach(function(message){
    console.log(message)
});

Refer: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach

Answer 2

All the answers provided here uses normal function but these days most of our code uses arrow functions in ES6. I hope my answer will help readers on how to use arrow function when we do iteration over array of objects

let data = {
      "messages": [{
           "msgFrom": "13223821242",
           "msgBody": "Hi there"
       }, {
          "msgFrom": "Bill",
          "msgBody": "Hello!"
       }]
 }

Do .forEach on array using arrow function

 data.messages.forEach((obj, i) => {
     console.log("msgFrom", obj.msgFrom);
     console.log("msgBody", obj.msgBody);
 });

Do .map on array using arrow function

 data.messages.map((obj, i) => {
     console.log("msgFrom", obj.msgFrom);
     console.log("msgBody", obj.msgBody);
 });

Answer 3

for (let key in data) {
    let value = data[key];
    for (i = 0; i < value.length; i++) {
      console.log(value[i].msgFrom);
      console.log(value[i].msgBody);
    }
  }