​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>获取文本内容</h1>
​
<h2 id="01">Hello World!</h2>
<h2 id="02">Hello China!</h2>
<h2 id="03">Hello Shanghai!</h2>
​
<p id="demo"></p>
​
<script>
var myElement = document.getElementById("03");
var myText = myElement.textContent || myElement.innerText;
document.getElementById("demo").innerHTML = myText; 
</script>
​
</body>
</html>
​