var content="";
var input="";
var output="";
var outputJson="";
function readBlob(opt_startByte, opt_stopByte) {

    var files = document.getElementById('files').files;
    if (!files.length) {
      alert('Please select a file!');
      return;
    }

    var file = files[0];
    var start = parseInt(opt_startByte) || 0;
    var stop = parseInt(opt_stopByte) || file.size - 1;

    var reader = new FileReader();

    // If we use onloadend, we need to check the readyState.
    reader.onloadend = function(evt) {
      if (evt.target.readyState == FileReader.DONE) { // DONE == 2
        document.getElementById('byte_content').textContent = evt.target.result;
        document.getElementById('byte_range').textContent = 
            ['Read bytes: ', start + 1, ' - ', stop + 1,
             ' of ', file.size, ' byte file'].join('');
             content = evt.target.result;
			 input = JSON.parse(content);
			 output = {
    "c2array": true,
    "size": [input.frames.length, 4, 1],
    "data": input.frames.map(function(frame){
        return [
            [frame.image || ""],
            [frame.title],
            [frame.mediatype || ""],
            [frame.thumb || ""]
        ];
    })
};

                
// the "null, 4" part is just to pretty-format the json (indent 4 spaces)
var outputJson = JSON.stringify(output, null, 4);
      }
    };

    var blob = file.slice(start, stop + 1);
    reader.readAsBinaryString(blob);
  }
  
  document.querySelector('.readBytesButtons').addEventListener('click', function(evt) {
    if (evt.target.tagName.toLowerCase() == 'button') {
      var startByte = evt.target.getAttribute('data-startbyte');
      var endByte = evt.target.getAttribute('data-endbyte');
      readBlob(startByte, endByte);
    }
  }, false);

/*
{
  "name": "werwer",
  "frames": [
    {
      "title": "[Nieuwe Dia]",
      "image": "\\files\\cacc0075a0c044cbc9ec.jpg",  //without the filepath
      "thumb": "\\files\\cacc0075a0c044cbc9ec.jpg",  //thumb could be neglected
      "mediatype": null, //same as thumb
      "media": [] //same as thumb
    },
    {
      "title": "[Nieuwe Dia]",
      "image": null,
      "thumb": null,
      "mediatype": null,
      "media": []
    },
    {
      "title": "[Nieuwe Dia]",
      "image": null,
      "thumb": null,
      "mediatype": null,
      "media": []
    },
    {
      "title": "[Nieuwe Dia]",
      "image": null,
      "thumb": null,
      "mediatype": null,
      "media": []
    }
  ]
};
*/

var output = {
    "c2array": true,
    "size": [input.frames.length, 4, 1],
    "data": input.frames.map(function(frame){
        return [
            [frame.image || ""],
            [frame.title],
            [frame.mediatype || ""],
            [frame.thumb || ""]
        ];
    })
};

                
// the "null, 4" part is just to pretty-format the json (indent 4 spaces)
var outputJson = JSON.stringify(output, null, 4);
console.log("test");
console.log(output);
document.getElementById("out").innerHTML = outputJson;[/code:11qmusfh]

This following code, it is by the way.

{"c2array":true,"size":[2,1,1],"data":[[["test1"],["test2"]]]}[/code:3azz1ccf]

This is my JSON as I am still figuring out the ins and outs before I push this to our development cycle. The array is named List, and List.At(1) returns 0 instead of the expected "test2" and I can't for the life of it seem to figure out what is going wrong 

EDIT: Scrap that out, I figured it out (seems that Construct refuses to load the array if I use one bracket instead of two)

{"c2array":true,"size":[10,1,1],"data":[[["Test1"]],[["Test2"]],[["3"]],[[40]],[[5.0]],[[60000]],[[7,0]],[[8.000.000]],[[9*10]],[[10]]]}[/code:usizcc2k]

I load this into my project with AJAX and (try to ) parse this into my array. When I call Array.At(0) I get an 0 back. What would be the correct way to call from the array say the 2nd position? (Array.At(1) I guess right?)

Error is fixed. Anyhow, how can I populate instance variables with JSON data at index 0, 1 etc etc? That's more or less the question.

This is all run from preview btw.

Edit: Also from my own server (using an export) I get nothing.