Function downloadFile

js/main.js:1079–1085

(dataURL,ending)

	*/

	const downloadFile = function(dataURL,ending) {
		let a = document.createElement(`a`);
		a.setAttribute("href", dataURL);
		a.setAttribute("download", "downloadedSign" + ending);
		a.click();
		a.remove();
	}

	function getFile() {
		var screenshotTarget;