# Sections ⇐ Map Sections class **Kind**: global class **Extends**: Map * [Sections](#Sections) ⇐ Map * _instance_ * [.clear()](#Sections+clear) * [.get([target])](#Sections+get) ⇒ Section \| null * [.first()](#Sections+first) ⇒ Section \| null * [.last()](#Sections+last) ⇒ Section \| null * [.unpack(packaging, navigation, resolve, canonical)](#Sections+unpack) ⇒ [Promise.<Sections>](#Sections) * [.destroy()](#Sections+destroy) * _static_ * [.hooks](#Sections.hooks) : object ## sections.clear() Clear sections **Kind**: instance method of [Sections](#Sections) ## sections.get([target]) ⇒ Section \| null Get an item from the spine **Kind**: instance method of [Sections](#Sections) **Returns**: Section \| null - section | Param | Type | | --- | --- | | [target] | string \| number | **Example** ```js sections.get(); ``` **Example** ```js sections.get(3); ``` **Example** ```js sections.get("#chapter_001"); ``` **Example** ```js sections.get("chapter_001.xhtml"); ``` **Example** ```js sections.get("epubcfi(/6/8!/4/2/16/1:0)") ``` ## sections.first() ⇒ Section \| null Find the first Section in the Spine **Kind**: instance method of [Sections](#Sections) **Returns**: Section \| null - first section ## sections.last() ⇒ Section \| null Find the last Section in the Spine **Kind**: instance method of [Sections](#Sections) **Returns**: Section \| null - last section ## sections.unpack(packaging, navigation, resolve, canonical) ⇒ [Promise.<Sections>](#Sections) Unpack items from a opf into spine items **Kind**: instance method of [Sections](#Sections) | Param | Type | Description | | --- | --- | --- | | packaging | Packaging | | | navigation | Navigation | | | resolve | function | URL resolve | | canonical | function | Resolve canonical url | ## sections.destroy() destroy **Kind**: instance method of [Sections](#Sections) ## Sections.hooks : object **Kind**: static property of [Sections](#Sections) **Read only**: true **Properties** | Name | Type | | --- | --- | | content | Hook | | serialize | Hook |