## clear() {#default} Clears all items from this collection. ```js clear() ``` ### Examples Shows how to work with drop down-list structured document tags. ```js let doc = new aw.Document(); let ta......let doc = new aw.Document(); let tag = new aw.Markup.StructuredDocumentTa(doc...StructuredDocumentTa(doc, aw.Markup.SdtType.DropDownList, aw.Markup.MarkupLevel...