JavaScript 在线编辑器 | JavaScript代码测试

<!DOCTYPE html>
<html>
<body>

function myFunction(xml, i) {
  var xmlDoc = xml.responseXML; 
  x = xmlDoc.getElementsByTagName("CD");
  len = x.length;
  document.getElementById("showCD").innerHTML =
  "Artist: " +
  x[i].getElementsByTagName("ARTIST")[0].childNodes[0].nodeValue +
  "<br>Title: " +
  x[i].getElementsByTagName("TITLE")[0].childNodes[0].nodeValue +
  "<br>Year: " + 
  x[i].getElementsByTagName("YEAR")[0].childNodes[0].nodeValue;
}

function next() {
  if (i < len-1) {
    i++;
    displayCD(i);
  }
}

function previous() {
  if (i > 0) {
    i--;
    displayCD(i);
  }
}
</script>

</body>
</html>