请写一个html目的是实现点击h1标题后渐显新的标题
<!DOCTYPE html>
<html>
<head>
<title>点击h1标题后渐显新的标题</title>
<style>
#newTitle {
opacity: 0;
transition: opacity 1s ease-in-out;
}
<pre><code> #newTitle.show {
opacity: 1;
}
</style>
</code></pre>
</head>
<body>
<h1 onclick="showNewTitle()">原标题</h1>
<h1 id="newTitle">新标题</h1>
<pre><code><script>
function showNewTitle() {
document.getElementById("newTitle").classList.add("show");
}
</script>
</code></pre>
</body>
</html>
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