Replace object value with values from an external array

Question

I am working on a webchat that gets data of every message through a JSON protocol. Through ajax() I receive the following information:

{"id":"33","senderId":"1","message":"My fellow citizens","timestamp":"2014-10-24 11:45:04","conversationid":"2","status":"0"}

The senderId is the key to identify user's name, since if senderId="1" it means that Michael sent the message. The array has the following names:

nameArray = ["Micheal", "Earvin", "Kareem", "Wilt", "Hakeem"]

I tried the following code, but it is not working.

senderId = JSON.parse(element.senderId)     
            for (var i=0; i<senderId.length; i++) {
                if (senderId[i] == 1) {
                    senderId[i] = nameArray[0];
                break;
                }
            }

Do you know how a way to change the senderId information according to the values of nameArray?

Thanks in advance for your replies!

Sadikhasan · Accepted Answer · 2015-03-12 03:28:06Z

1

Assuming element is the object {"id":"33","senderId":"1","message":"My fellow citizens","timestamp":"2014-10-24 11:45:04","conversationid":"2","status":"0"} and you want to replace senderId: 1 with Micheal, you can

element.senderId = nameArray[element.senderId - 1];

Demo

edited Mar 12, 2015 at 3:28

Sadikhasan

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answered Mar 12, 2015 at 3:23

Arun P Johny

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Comments

eusoj · Accepted Answer · 2015-03-12 03:41:50Z

0

With the object that you have, you don't need a for loop to replace the name. Indeed you can use a direct search into the array including and exception if the senderId doesn't exist in your nameArray.

Also, replace directly an value into the object is not a really good practice, I recommend you add another attribute to the object to have the record of the senderId if you need it in the future.

index = element.senderId - 1;
element.name = (index in nameArray ? nameArray[index] : "Anonymous");

answered Mar 12, 2015 at 3:41

eusoj

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1 Comment

d_z90 Over a year ago

I don't need the record of the sender in my case, so I will use Sadikhasan's and Arun's solution. But the attribute that you add is also helpful and I am going to add it too. In any case, thanks for your help eusoj :)

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