sokol-luajit/editor/www/partials/world_assets_js.html

<!-- DataTables JavaScript -->
<script src="../js/dataTables/jquery.dataTables.min.js"></script>
<script src="../js/dataTables/dataTables.bootstrap.min.js"></script>

<!-- Page-Level Demo Scripts - Tables - Use for reference -->
<script>

function clickElem(elem) {
	// Thx user1601638 on Stack Overflow (6/6/2018 - https://stackoverflow.com/questions/13405129/javascript-create-and-save-file )
	var eventMouse = document.createEvent("MouseEvents")
	eventMouse.initMouseEvent("click", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
	elem.dispatchEvent(eventMouse)
}

function openFile(func) {
	readFile = function(e) {
		var file = e.target.files[0];
		if (!file) {
			return;
		}
       
        var fileobj = URL.createObjectURL(file);
        console.log(fileobj);
		var reader = new FileReader();
		reader.onload = function(e) {
            var jdata = { filename: file.name, filesize: file.size, data: e.target.result };
			fileInput.func(jdata);
			document.body.removeChild(fileInput)
		}
		reader.readAsBinaryString(file)
        console.log(e.target.files);
	}
	fileInput = document.createElement("input")
	fileInput.type='file'
	fileInput.style.display='none'
	fileInput.onchange=readFile
	fileInput.func=func
	document.body.appendChild(fileInput)
	clickElem(fileInput)
}

function postData( url, data )
{
    $.ajax({
        type: 'POST',
        url: url,
        data: data,
        success: function(data) { console.log("Posted data"); },
        contentType: "application/json",
        dataType: 'json'
    });
}

$(document).ready(function () {

    $('#openAsset').on("click", function(evt){
        openFile(function( data ) { 
            var pdata = JSON.stringify(data);
            console.log(pdata);
            postData("/world/assets/loaddata", pdata );
        });
    });

    $('#dataTables-example').DataTable({
        responsive: true
    });
});

</script>