内省 [⚠️ need proofread]
文档部分之间的交互。
这个类别是Typst的内省能力的所在：通过counter函数，您可以访问和操作页面、节、图表和方程计数器，或创建自定义计数器。与此同时，query函数允许您在文档中搜索元素，以构建诸如图表列表或显示当前章节标题的标题等内容。 [⚠️]
Most of the functions are contextual. It is recommended to read the chapter on context before continuing here.
定义
counterCounts through pages, elements, and more.hereProvides the current location in the document.locateDetermines the location of an element in the document.locationIdentifies an element in the document.metadataExposes a value to the query system without producing visible content.queryFinds elements in the document.stateManages stateful parts of your document.