Something like this:
$(document).on('click', '#imgDownloadId', function (e) {
e.preventDefault();
var data = [];
$(".img-checked").each(function (index) {
var imageID = $(this).prop("id");
var imagename = imageID.substring(2);
var imgSourcePath = "\\MyProject\\Images\\Cars\\" + imagename;
data.push(imgSourcePath);
});
});