要在jQuery中获取div标签的innerHTML，请将该类与innerHTML一起使用。您可以尝试运行以下代码来学习如何使用jQuery获取div标签的innerHTML-
<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("#button1").click(function(){
var one = $('.a').innerHTML;
alert(one);
});
});
</script>
</head>
<body>
<div class="a">Value one</div>
<button id="button1">Get</button>
</body>
</html>