> For the complete documentation index, see [llms.txt](https://jack80342.gitbook.io/thymeleaf/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jack80342.gitbook.io/thymeleaf/i.-using-thymeleaf/13-wen-ben-mo-ban-mo-shi/13.3-textual-prototype-only-comment-blocks-adding-code.md).

# 13.3 文本原型注释块：添加代码

`JAVASCRIPT`和`CSS`模版模式（`TEXT`不可用）允许在一句特殊的注释语法之间包含代码。当处理模版时，Thymeleaf将自动取消注释：

```javascript
var x = 23;

/*[+

var msg  = "This is a working application";

+]*/

var f = function() {
    ...
```

将会当作以下内容执行：

```javascript
var x = 23;

var msg  = "This is a working application";

var f = function() {
...
```

你可以在这些注释里包含表达式。它们会被执行：

```javascript
var x = 23;

/*[+

var msg  = "Hello, " + [[${session.user.name}]];

+]*/

var f = function() {
...
```


---

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