How to get the first Data in JavaScript

Question

Hi ,

 

I have Mulltiple Data's in Javascript Like ("10002938760183,98037801738394,28364920474800,28364920474801,28364920474802") this type of data.

 

I need to  get the first element of 10002938760183 this data.

 

How to get this data in Javascript .

 

Example:

 

var str = "How, are, you, doing, today";

var res = str.split(","); 

 

Output is : How, are, you, doing, today 

 

I need a output on "How" only.

 

Thanks,

Dhanabalan R