JSON - searching through keys with variable names (unknown)

Question

Total JSON noob here. I\'m trying to cycle through some JSON to pull out the first image from an array inside the object, and after 4 hours of having at it, I\'ve decided I

Answer 1

var json = JSON.parse(YOUR_JSON_STRING).custom_fields, //Fetch your JSON
    image;                                             //Pre-declare image
for(key in json){                               //Search each key in your object
    if(key.indexOf("image") != -1){             //If the index contains "image"
        image = json[key];                //Then image is set to your image array
        break;                                  //Exit the loop
    }
}
/*
image[0]  //the URL
image[1]  //the width
image[2]  //the height
image[3]  //your boolean