function takeScreenshot() {
var screen = document.createElement("canvas");
var width = window.innerWidth;
var height = window.innerHeight;
screen.width = width;
screen.height = height;
var ctx = screen.getContext("2d");
ctx.drawImage(document.body, 0, 0, width, height);
var img = new Image();
img.src = screen.toDataURL("image/png");
// Save the screenshot to the device's photo gallery
navigator.clipboard.writeText(img.src);
}