vendor/ar.js
function writeStringToFS(target, string, callback) {
		var byteArray = new Uint8Array(string.length);
		for (var i=0; i<byteArray.length; i++) {
			byteArray[i] = string.charCodeAt(i) & 0xff;
		}
		writeByteArrayToFS(target, byteArray, callback);
	}
function writeStringToFS(target, string, callback) {
		var byteArray = new Uint8Array(string.length);
		for (var i=0; i<byteArray.length; i++) {
			byteArray[i] = string.charCodeAt(i) & 0xff;
		}
		writeByteArrayToFS(target, byteArray, callback);
	}
transfer image