​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>单击该按钮可创建包含链接的 NAV 元素。</p>
​
<button onclick="myFunction()">试一试</button>
​
<p id="myP"></p>
​
<script>
function myFunction() {
  var x = document.createElement("NAV");   
  document.body.appendChild(x);
​
  var anchorElmnt = document.createElement("A");
  anchorElmnt .setAttribute("href", "/html");
  var txt1 = document.createTextNode("HTML");
  anchorElmnt .appendChild(txt1);
​
  x.appendChild(anchorElmnt);
}
</script>
​
</body>
</html>
​
​