$(".button_click").on("click", function () {
var imagePath = "https://dummyimage.com/16:9x1080";
var fileName = "Dummy_image.png";
saveAs(imagePath, fileName); // This is a function please download the file from the link
//Download file from this link
// https://raw.githubusercontent.com/eligrey/FileSaver.js/master/dist/FileSaver.js
});