JSFiddle - React, Tailwind, and code Playground

HTML

<div id="r"></div>

JavaScript

json = {
    "201510":
    {
        "05":
        {
            "Daily01sec":
            {
                "TG01152780600": "\/201510\/05\/Daily01sec\/TG01152780600.bin"                       
            }
        }
    },
"201509":
    {
        "05":
        {
            "Daily01sec":
            {
                "TG01152780600": "\/201510\/05\/Daily01sec\/TG01152780600.bin"                     
            }
        }
    }
};

function arrayConvert(json){
    var arr = [];
    for(index in json){
        var obj = json[index];
        var key = null;
        while(typeof obj == 'object'){
            for(ind in obj){
         	    if(key == null) key = ind;
                obj = obj[ind];
            }
        }
        arr.push({'key':key, 'val':obj});
    }
    return arr;
}

myarray = arrayConvert(json);

i = myarray.length;

while(i--){
    obj = myarray[i];
    div = document.getElementById('r');
    div.insertAdjacentHTML('beforeEnd', "Key: "+obj.key+", Value: "+obj.val+"<br>");
}