create key index funct

contents.js

@@ -59,18 +59,20 @@ function createIndexSection(contribution) {
 	let table = document.createElement("table"); 
 	let title = document.createElement("h4");
 	title.innerHTML = contribution.title;
-	contribution.audio.forEach((track) => {
-		console.log(track);
-	// 	let row = document.createElement("tr");
-	// 	let col1 = document.createElement("td");
-	// 	let col2 = document.createElement("td");
-	// 	col1.setAttribute("class", "symbol");
-	// 	col2.setAttribute("class", "filename");
-	// 	col2.innerHTML = track;
-	// 	row.appendChild(col1);
-	// 	row.appendChild(col2);
-	// 	table.appendChild(row);
-	});
+	if (contribution.audio){
+		let tracks = contribution.audio;
+		tracks.forEach((track) => {
+			let row = document.createElement("tr");
+			let col1 = document.createElement("td");
+			let col2 = document.createElement("td");
+			col1.setAttribute("class", "symbol");
+			col2.setAttribute("class", "filename");
+			col2.innerHTML = track;
+			row.appendChild(col1);
+			row.appendChild(col2);
+			table.appendChild(row);
+		});
+	}
 	trackList.appendChild(title);
 	trackList.appendChild(table);
 }