使用

<!-- 引入行号插件的CSS -->
<link href="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/line-numbers/prism-line-numbers.css" rel="stylesheet" />
<!-- 引入行号插件的JS -->
<script src="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/line-numbers/prism-line-numbers.js"></script>

<!-- 在代码块上添加`line-numbers`类 -->
<pre><code class="language-javascript line-numbers">
// 这是一个带有行号的JavaScript示例
function greet(name) {
    console.log("Hello, " + name + "!");
}
</code></pre>