​x
 
<!DOCTYPE html>
<html>
<body>
​
<h3>演示如何创建 OL 元素</h3>
​
<p>点击按钮来创建 OL 元素和 LI 元素。</p>
​
<p id="demo"></p>
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<button onclick="myFunction()">试一下</button>
​
<script>
function myFunction()
{
var x = document.createElement("OL");
x.setAttribute("id", "myOl");
document.body.appendChild(x);
​
var y = document.createElement("LI");
var t = document.createTextNode("咖啡");
y.appendChild(t);
document.getElementById("myOl").appendChild(y);
}
</script>
​
</body>
</html>
​