<html>
<body>
<h1 id="myH1" style="color:red">我的标题</h1>
<p>点击按钮获取 H1 元素的 style 属性。</p>
<p id="demo"></p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
var x = document.getElementById("myH1").style.color;
document.getElementById("demo").innerHTML = x;
};
</script>
</body>
</html>