Now, you can place UI elements within the repeat element, and when you view the form the UI elements will be "unrolled", so that one control will appear for each member in the homogeneous set.

现在，您可以把UI元素放置在repeat元素内，当您察看表单时，UI元素将是“展开的”，这样将为同构集中的每个成员显示一个控件。

youdao

For example, there is no native HTML element for a tree control, so one must be created via scripting.

例如，树形控件没有本机HTML元素，因此必须通过脚本进行创建。

youdao

The ContextMenu control is also in charge of adding an oncontextmenu handler to each control or page element that registers to get one. I defined two ways for an element to get its own context menu.

快捷菜单也负责为每个控件或为注册快捷菜单的页面元素添加oncontextmenu事件处理器。

youdao