Jade Mixin：500 TypeError：无法读取undefined的属性'length'

Question

我有一个混合因素给我带来了麻烦：

mixin dialog(title, description, choices)
    form.choices.dialog.row
        legend
            h1 #{title}
            p.description #{description}
        fieldset
            for choice in choices
                label
                    input(type= "radio", name = "choice.name", checked = "checked", required = "required")
                    | choice.name
        div.row.form-actions
            button(type="submit", ) Make Choice

要调用它，我首先将mixin文件包含在这个mixin中：

import dialog

然后我在创建一个javascript变量之后使用mixin：

- var investiageUFODialog = [{headerText: "Would you like to investiage the UFO?", description: "Choose whether or not to investigate the UFO."}, {choices: [{name: "Yes"}, {name: "No"}]}]

mixin dialog(investiageUFODialog.headerText, investiageUFODialog.description, investiageUFODialog.choices)

我做错了什么？

Answer 1

如果你想像这样使用它，那么

investiageUFODialog不能是一个数组。只需将其更改为：

- var investiageUFODialog = {headerText: "Would you like to investiage the UFO?", description: "Choose whether or not to investigate the UFO.", choices: [{name: "Yes"}, {name: "No"}]}

另外，在你的mixin中，你需要写name = choice.name（不带引号）。