html运行实例（eg_js_jquery_style

代码示例：（标识：eg_js_jquery_style_show）

<!DOCTYPE html>
<html>
<body>

<h1>显示 HTML 元素</h1>

<h2 id="01" style="display:none">Hello World!</h2>
<h2 id="02" style="display:none">Hello China!</h2>
<h2 id="03" style="display:none">Hello Shanghai!</h2>

<script>
var myElement = document.getElementById("02");
myElement.style.display = "";
</script>

</body>
</html>