Pulling array from object

Question

Im trying to pull the gpa numbers from the array that is in the object and have them displayed in the console but my code keeps giving me undefined '0' error. Any help would be appreciated.

var fsInfo = {
    name: 'John Doe',
    address:{
        street: '123 Some Street ',
        city: 'Town, ',
        state: 'HI',
    gpa: [3.0,4.0,2.0]
    }
 }

console.log("GPA: " + fsInfo.gpa['0'],fsInfo.gpa['1'],fsInfo.gpa['2'])

thefourtheye · Accepted Answer · 2013-10-12 05:18:55Z

1

Use

console.log("GPA: " + fsInfo.gpa[0],fsInfo.gpa[1],fsInfo.gpa[2])

Note: Array indices are numbers.

In your case, they are inside address. So you should do

console.log("GPA: " + fsInfo.address.gpa[0],fsInfo.address.gpa[1],fsInfo.address.gpa[2])

If your object had been like this

var fsInfo = {
    name: 'John Doe',
    address:{
        street: '123 Some Street ',
        city: 'Town, ',
        state: 'HI'
    },
    gpa: [3.0,4.0,2.0]
 }

then

console.log("GPA: " + fsInfo.gpa[0],fsInfo.gpa[1],fsInfo.gpa[2])

will work.

edited Oct 12, 2013 at 5:18

answered Oct 12, 2013 at 5:12

thefourtheye

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2 Comments

Surreal Dreams Over a year ago

You can use non-integer indices, but in JavaScript that's an object. In this object, gpa is a non-numeric index to the array. You're correct here, though - the indexes are int, not string.

Joshua Velez Over a year ago

Wow didn't even see I closed it in the wrong location. I feel so stupid lol. Thanks alot

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