@mapgis/webclient-common

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport"> <script src="scripts/prettify/prettify.js"></script> <script src="scripts/prettify/lang-css.js"></script> <title> MapGIS Client for JavaScript API </title> <script type="text/javascript"> </script>  <script src="scripts/jquery.min.js"></script> <script src="scripts/adminlte/app.min.js"></script> <link type="text/css" rel="stylesheet" href="styles/bootstrap.min.css"> <link type="text/css" rel="stylesheet" href="styles/adminlte/AdminLTE.min.css"> <link type="text/css" rel="stylesheet" href="styles/adminlte/skin-blue.min.css"> <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css"> <link type="text/css" rel="stylesheet" href="styles/common.css"> <link type="text/css" rel="stylesheet" href="styles/header.css"> <link type="text/css" rel="stylesheet" href="styles/examples.css"> <link type="text/css" rel="stylesheet" href="styles/style.customize.css"> <link type="text/css" rel="stylesheet" href="styles/font-awesome.css"> <link type="text/css" rel="stylesheet" href="styles/jaguar.css"> <script src="scripts/bootstrap.min.js"></script> </head> <body class='sidebar-mini'> <div id="wrap" class="clearfix"> <header class="header-wrapper main-header mapgis-header"> <nav class="navbar navbar-static-top lite"> <div class="nav-header"> <div class="navbar-header"> <div class="navbar-title" style="display: flex;align-items: center; "> <a href="index.html"> <img class="mapgis-webclient-logo" src="data:image/png;base64,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"> </a> <a class="navbar-brand"> <span class="mapgis-webclient-text"> MapGIS Client for JavaScript（Common） </span> </a> <div id="suffix-title">for MapboxGL</div> </div> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse" aria-expanded="false" > <i class="fa fa-bars"></i> </button> </div> </div> </nav> </header> <div class="navigationDiv"> </div> <div class="main content-wrapper examples-container"> <h1 class="page-title" data-filename="Collection.html">Class: Collection</h1> <section> <header> <h2></span>Collection </h2> </header> <article> <div class="container-overview"> <dt> <div class="nameContainer"> <h4 class="name" id="Collection"> new Collection<span class="signature">(collection)</span> </h4> <div class="tag-source"> base/Collection.js, line 5 </div> </div> <p class="summary"><h5>支持如下方法：</h5> <a href='#add'>[1、添加一个元素到集合中]</a><br/> <a href='#add2'>[2、添加一个元素到集合中的指定位置]</a><br/> <a href='#addMany'>[3、添加多个元素到集合中]</a><br/> <a href='#addMany2'>[4、添加多个元素到集合中的指定位置]</a><br/> <a href='#at'>[5、返回指定下标处的元素]</a><br/> <a href='#clone'>[6、克隆并返回一个新集合对象]</a><br/> <a href='#concat'>[7、将一个数组或者集合对象链接到当前集合对象末尾]</a><br/> <a href='#every'>[8、检测数组所有元素是否都符合指定条件]</a><br/> <a href='#filter'>[9、通过一个过滤条件（函数提供）来过滤并返回元素]</a><br/> <a href='#find'>[10、返回第一个符合过滤条件（函数提供）的元素]</a><br/> <a href='#findIndex'>[11、返回第一个符合过滤条件（函数提供）的元素的下标]</a><br/> <a href='#flatten'>[12、扁平化一个集合对象]</a><br/> <a href='#forEach'>[13、对集合中的所有元素执行传入的函数]</a><br/> <a href='#getItemAt'>[14、获取指定下标的元素]</a><br/> <a href='#includes'>[15、判断集合中是否包含该元素]</a><br/> <a href='#indexOf'>[16、返回元素在集合中的下标]</a><br/> <a href='#indexOf2'>[17、判断集合中是否包含该元素-选择起始下标]</a><br/> <a href='#isCollection'>[18、判断传入的对象是否是一个集合对象]</a><br/> <a href='#join'>[19、通过传入一个分隔符，将集合中的元素通过分隔符拼接成一个字符串并返回]</a><br/> <a href='#lastIndexOf'>[20、从集合的最末尾开始，寻找该元素，并返回元素下标]</a><br/> <a href='#lastIndexOf2'>[21、从集合的最末尾开始，寻找该元素，并返回元素下标 - 指定起始额位置]</a><br/> <a href='#map'>[22、通过一个遍历函数来遍历该集合下的所有元素，并返回一个新集合对象]</a><br/> <a href='#pop'>[23、删除并返回集合的最后一个元素]</a><br/> <a href='#push[24、添加一个元素到集合中]</a><br/> <a href='#reduce'>[25、接收一个函数做为累加器，将集合中的每一个元素(下标从小到大的顺序)进行累加，最后返回一个对象]</a><br/> <a href='#reduceRight'>[26、接收一个函数做为累加器，将集合中的每一个元素(下标从大到小的顺序)进行累加，最后返回一个对象]</a><br/> <a href='#remove'>[27、删除一个元素，仅会删除找到的第一个元素,并发送删除事件]</a><br/> <a href='#removeAll'>[28、删除集合中的所有元素，删除完成后会发送数据变更事件]</a><br/> <a href='#removeAt'>[29、删除指定下标的元素]</a><br/> <a href='#removeMany'>[30、删除集合中的多个元素，删除完成后会发送数据变更事件]</a><br/> <a href='#reorder'>[31、将指的元素调整到集合中指的下标位置]</a><br/> <a href='#reverse'>[32、将集合对象中的元素反转，并返回新集合对象]</a><br/> <a href='#shift'>[33、删除并返回集合的第一个元素]</a><br/> <a href='#slice'>[34、截取集合中从start开始到end下标的元素，并返回一个新集合对象]</a><br/> <a href='#some'>[35、判断集合对象中的元素是否满足过滤条件]</a><br/> <a href='#sort'>[36、通过一个排序函数来对当前的集合进行排序，之后返回一个新集合对象，参考js的sort函数]</a><br/> <a href='#splice'>[37、向集合中删除一个元素]</a><br/> <a href='#splice2'>[38、向集合中添加一个元素]</a><br/> <a href='#toArray'>[39、返回集合对象中元素组成的数组]</a><br/> <a href='#unshift'>[40、向集合起始位置添加一个或多个元素]</a><br/> <a href='#all'>[41、获取集合中的所有元素并返回一个数组]</a><br/> <a href='#unique'>[42、去除集合中的重复元素]</a><br/> <a href='#createInstance'>[43、创建实例]</a><br/></p> </dt> <dd> <div class="description"> <p>集合类用来存储相同类型的项的数组，提供了大量的实用方法来处理集合中的元素，包括filter()、find()和reduce()等。<br> 集合中的元素可以是任何类型。例如，GraphicsLayer.graphics是存储在GraphicsLayer中的图形的集合。您可以使用Collection类中的方法来添加、删除、重新排序或操作GraphicsLayer中的图形。<br> 集合的另一个示例是Map.layers，它是所有地图的集合。</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>collection</code></td> <td class="type"> <span class="param-type">Array.<*></span> </td> <td class="description last"> <p>构造参数，要传入的元素数组</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Example</h5> <p class="code-caption"><h7 id='Collection'>初始化一个集合对象</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3])</code></pre> </dd> </div> <h3 class="subsection-title">Members</h3> <dl> <dt> <div class="nameContainer"> <h4 class="name" id="items">items<span class="type-signature type array.<any>">Array.<any></span> </h4> </div> </dt> <dd> <div class="description"> <p>数组集合中的元素</p> </div> <dl class="details"> </dl> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="items">items<span class="type-signature type array.<any>">Array.<any></span> </h4> </div> </dt> <dd> <div class="description"> <p>items</p> </div> <dl class="details"> </dl> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="length">length<span class="type-signature type number">Number</span> </h4> </div> </dt> <dd> <div class="description"> <p>数组集合的长度</p> </div> <dl class="details"> </dl> </dd> </dl> <h3 class="subsection-title">Methods</h3> <dl> <dt> <div class="nameContainer"> <h4 class="name" id=".isCollection"> Collection.isCollection<span class="signature">(item)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{Boolean}</span> </h4> <div class="tag-source"> base/Collection.js, line 405 </div> </div> </dt> <dd> <div class="description"> <p>判断传入的对象是否是一个集合对象</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>item</code></td> <td class="type"> <span class="param-type">*</span> </td> <td class="description last"> <p>要判断的对象</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> Boolean </td> <td class="description last">是否是集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='isCollection'>判断传入的对象是否是一个集合对象</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) const isCollection = Collection.isCollection(collection)</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="add"> add<span class="signature">(item, index)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 94 </div> </div> </dt> <dd> <div class="description"> <p>添加一个元素到集合中</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>item</code></td> <td class="type"> <span class="param-type">*</span> </td> <td class="description last"> <p>要添加的元素</p></td> </tr> <tr> <td class="name"><code>index</code></td> <td class="type"> <span class="param-type">Number</span> </td> <td class="description last"> <p>指的元素要添加的位置，如果不指定，默认添加到集合末尾</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">添加完元素后的集合对象</td> </tr> </tbody> </table> <h5>Examples</h5> <p class="code-caption"><h7 id='add'>添加一个元素到集合中</h7></p> <pre class="prettyprint"><code>const collection = new Collection() collection.add({ key: 'value' })</code></pre> <p class="code-caption"><h7 id='add2'>添加一个元素到集合中的指定位置</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) collection.add({ key: 'value' }, 1)</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="addMany"> addMany<span class="signature">(items, index)</span> </h4> <div class="tag-source"> base/Collection.js, line 115 </div> </div> </dt> <dd> <div class="description"> <p>添加多个元素到集合中，添加完成后会发送数据变更事件</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>items</code></td> <td class="type"> <span class="param-type">Array.<*></span> </td> <td class="description last"> <p>要添加的多个元素</p></td> </tr> <tr> <td class="name"><code>index</code></td> <td class="type"> <span class="param-type">Number</span> </td> <td class="description last"> <p>指的元素要添加的位置，如果不指定，默认添加到集合末尾</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Examples</h5> <p class="code-caption"><h7 id='addMany'>添加多个元素到集合中</h7></p> <pre class="prettyprint"><code>const collection = new Collection() collection.addMany([1, 2, 3])</code></pre> <p class="code-caption"><h7 id='addMany2'>添加多个元素到集合中的指定位置</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) collection.addMany([1, 2, 3], 2)</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="all"> all<span class="signature">()</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{Array.<*>}</span> </h4> <div class="tag-source"> base/Collection.js, line 801 </div> </div> </dt> <dd> <div class="description"> <p>获取集合中的所有元素并返回一个数组</p> </div> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> Array.<*> </td> <td class="description last">集合中元素构成的数组</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='toArray'>返回集合对象中元素组成的数组</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) collection.all()</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="at"> at<span class="signature">(index)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{*}</span> </h4> <div class="tag-source"> base/Collection.js, line 140 </div> </div> </dt> <dd> <div class="description"> <p>返回指定下标处的元素</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>index</code></td> <td class="type"> <span class="param-type">Number</span> </td> <td class="description last"> <p>元素下标，默认从0开始，允许使用正整数和负整数，负整数从集合中的最后一个元素开始倒数</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> * </td> <td class="description last">查询到的元素</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='at'>返回指定下标处的元素</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) const item = collection.at(1)</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="clone"> clone<span class="signature">()</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 156 </div> </div> </dt> <dd> <div class="description"> <p>克隆并返回一个新集合对象</p> </div> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">克隆后的集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='clone'>克隆并返回一个新集合对象</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) const cloneObj = collection.clone()</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="concat"> concat<span class="signature">(collection)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 173 </div> </div> </dt> <dd> <div class="description"> <p>将一个数组或者集合对象链接到当前集合对象末尾</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>collection</code></td> <td class="type"> <span class="param-type">Array</span> | <span class="param-type"><a href="Collection.html">Collection</a></span> </td> <td class="description last"> <p>要链接的数组或者集合对象</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">链接后的新集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='concat'>将一个数组或者集合对象链接到当前集合对象末尾</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) collection.concat([{'a': 1}, {'b': 2}]) collection.concat(new Collection([4, 5, 6]))</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="createInstance"> createInstance<span class="signature">(item)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{*}</span> </h4> <div class="tag-source"> base/Collection.js, line 868 </div> </div> </dt> <dd> <div class="description"> <p>创建实例，可由子类重载</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>item</code></td> <td class="type"> <span class="param-type">*</span> </td> <td class="description last"> <p>要创建的实例对象</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> * </td> <td class="description last">创建的实例对象</td> </tr> </tbody> </table> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="every"> every<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{Boolean}</span> </h4> <div class="tag-source"> base/Collection.js, line 206 </div> </div> </dt> <dd> <div class="description"> <p>检测数组所有元素是否都符合指定条件（通过函数提供）</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>过滤条件</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> Boolean </td> <td class="description last">是否全部满足过滤条件</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='every'>检测数组所有元素是否都符合指定条件</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) const isNumber = collection.every(function(item) { return typeof item === 'number' })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="filter"> filter<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 233 </div> </div> </dt> <dd> <div class="description"> <p>通过一个过滤条件（函数提供）来过滤并返回元素</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>过滤条件，如果过滤条件不是函数，则返回undefined</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">过滤后的新集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='filter'>通过一个过滤条件（函数提供）来过滤并返回元素</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3, 4, 5]) const newCollection = collection.filter(function(item) { return item > 2 })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="find"> find<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{*}</span> </h4> <div class="tag-source"> base/Collection.js, line 257 </div> </div> </dt> <dd> <div class="description"> <p>返回第一个符合过滤条件（函数提供）的元素，如果没找到则返回undefined</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>过滤条件，如果过滤条件不是函数，也返回undefined</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> * </td> <td class="description last">第一个符合过滤条件的元素</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='find'>返回第一个符合过滤条件（函数提供）的元素，如果没找到则返回undefined</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3, 4, 5]) const item = collection.find(function(item) { return item > 2 })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="findIndex"> findIndex<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{Number}</span> </h4> <div class="tag-source"> base/Collection.js, line 282 </div> </div> </dt> <dd> <div class="description"> <p>返回第一个符合过滤条件（函数提供）的元素的下标，如果没找到则返回-1</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>过滤条件</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> Number </td> <td class="description last">第一个符合过滤条件（函数提供）的元素的下标</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='findIndex'>返回第一个符合过滤条件（函数提供）的元素的下标，如果没找到则返回-1</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3, 4, 5]) const index = collection.findIndex(function(item) { return item > 1 })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="flatten"> flatten<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 300 </div> </div> </dt> <dd> <div class="description"> <p>扁平化一个集合对象，通过传入的扁平化函数来指定要扁平化的对象数组，直到指定的对象数组为空或者元素数量为0，之后返回一个新集合对象</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>扁平化函数，通过该函数来指定要扁平化的对象数组，如果该函数不是一个函数对象，则返回undefined</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">扁平化后的集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='flatten'>扁平化一个集合对象</h7></p> <pre class="prettyprint"><code>const collection = new Collection([{ layers: [1, 2, 3] },{ items: [4, 5, 6] }]) const flatten = collection.flatten(function(item) { return item.layers || item.items })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="forEach"> forEach<span class="signature">(fn)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{<a href="Collection.html">Collection</a>}</span> </h4> <div class="tag-source"> base/Collection.js, line 347 </div> </div> </dt> <dd> <div class="description"> <p>对集合中的所有元素执行传入的函数</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>fn</code></td> <td class="type"> <span class="param-type">function</span> </td> <td class="description last"> <p>针对元素的执行函数，参考js数组的forEach方法</p></td> </tr> </tbody> </table> <dl class="details"> </dl> <h5>Returns:</h5> <table class="params"> <thead> <tr> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="type"> <a href="Collection.html">Collection</a> </td> <td class="description last">执行完函数后的集合对象</td> </tr> </tbody> </table> <h5>Example</h5> <p class="code-caption"><h7 id='forEach'>对集合中的所有元素执行传入的函数</h7></p> <pre class="prettyprint"><code>const collection = new Collection([1, 2, 3]) collection.forEach(function(item) { console.log("item:", item) })</code></pre> </dd> <dt> <div class="nameContainer"> <h4 class="name" id="getItemAt"> getItemAt<span class="signature">(index)</span><span class="glyphicon glyphicon-circle-arrow-right"></span><span class="type-signature returnType">{*}</span> </h4> <div class="tag-source"> base/Collection.js, line 359 </div> </div> </dt> <dd> <div class="description"> <p>获取指定下标的元素，没找到则返回undefined</p> </div> <table class="params"> <thead> <tr> <th>Name</th> <th>Type</th> <th class="last">Description</th> </tr> </thead> <tbody> <tr> <td class="name"><code>index</code></td> <td class="type"> <span class="param-type">Number</span> </td> <td class="description last"> <p>元素下标</p></td> </tr> </tbody> </table> <dl class="details">