fix demo

index.html

@@ -42,10 +42,9 @@
 				button.disabled = true;
 				await nextTick();
 				await sleep();
-				const from = document.getElementById("from").textContent;
 				const src_lang = document.getElementById("src_lang").value;
 				const tgt_lang = document.getElementById("tgt_lang").value;
-				const to = await translator(from, { src_lang, tgt_lang });
+				const to = await translator(from.textContent, { src_lang, tgt_lang });
 				c.log(to);
 				await nextTick();
 				document.getElementById("to").value = to[0].translation_text;
@@ -293,4 +292,4 @@
 		</div>
 		
 	</body>
-</html>
+</html>