代码示例:(标识:eg_js_jquery_gettext)
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery.min.js"></script>
</head>
<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>
$(document).ready(function() {
  var myElement = $("#03");
  var myText = myElement.text();
  $("#demo").text(myText); 
});
</script>

</body>
</html>
运行结果: