function list2script(ls)
{

}
let upld = document.getElementById("listjson");
upld.onchange = function(event) {
    var fileList = upld.files;
    //TODO do something with fileList.  
    var reader = new FileReader();

    reader.addEventListener('load', function (e) {
      content = e.target.result;
      
      list2script(content);
    });
    reader.readAsBinaryString(fileList[0]);
 }