代码示例:(标识:jsck_node_textcontent_set)
<!DOCTYPE html>
<html>
<body>

<h1>Element 对象</h1>

<h2>textContent 属性</h2>

<p id="demo" onclick="myFunction()">点击我可改变我的文本内容。</p>

<script>
function myFunction() {
  document.getElementById("demo").textContent = "我已更改。";
}
</script>

</body>
</html>
运行结果: