> For the complete documentation index, see [llms.txt](https://bushuaichen.gitbook.io/ray-papijs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bushuaichen.gitbook.io/ray-papijs/can-shu.md).

# 参数

在使用变量的时候 我们经常调用一些内容

比如 %javascript\_ray\_10\_500% 让变量返回一个 10\~500 的随机数

那么如何传递参数呢,首先给参数命名 %javascript\_ray\_args\[0]\_args\[1]\_args.....%

请看以下示例 

```
#file: plugins\PlaceholderAPI\javascripts\main.js


function main() {

    #.length 是 判断长度
    #args.length 是判断有几个参数
    #首先判断 两个参数都有
    if (args.length) == 2{
        var min = args[0];
        var max = args[1];
    #这里是 如果参数 0不为空
    } else if (args.length) == 1{
        var min = args[0];
        var max = 10;
    #如果都是空 就创建一个 1~10的随机数
    } else {
        var min = 1;
        var max = 10;
    }
    #开始随机参数
    var value = Math.floor(Math.random()*(max-min+1)+min);
    
    return value;
}
main();
```

解读:

%javascript\_ray% 1\~10 中的一个随机数

%javascript\_ray\_5% 5\~10 中的一个随机数

%javascript\_ray\_500\_1000% 500\~1000 中的一个随机数


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