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</a>
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<nav class="md-nav md-nav--secondary" aria-label="目录">
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<label class="md-nav__title" for="__toc">
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<span class="md-nav__icon md-icon"></span>
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目录
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</label>
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
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<a href="#_2" class="md-nav__link">
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<span class="md-ellipsis">
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简介
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</span>
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</a>
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<li class="md-nav__item">
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<a href="#_3" class="md-nav__link">
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<span class="md-ellipsis">
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导入方式
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#_4" class="md-nav__link">
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<span class="md-ellipsis">
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函数参考
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</span>
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</a>
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<nav class="md-nav" aria-label="函数参考">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#_5" class="md-nav__link">
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<span class="md-ellipsis">
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基本数组操作
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</span>
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</a>
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<nav class="md-nav" aria-label="基本数组操作">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#arraylengtharr" class="md-nav__link">
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<span class="md-ellipsis">
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array.length(arr)
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arraypusharr-item" class="md-nav__link">
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<span class="md-ellipsis">
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array.push(arr, item)
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arraypoparr" class="md-nav__link">
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<span class="md-ellipsis">
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array.pop(arr)
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arrayshiftarr" class="md-nav__link">
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<span class="md-ellipsis">
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array.shift(arr)
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arrayunshiftarr-item" class="md-nav__link">
|
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<span class="md-ellipsis">
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array.unshift(arr, item)
|
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</span>
|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="#_6" class="md-nav__link">
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<span class="md-ellipsis">
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数组查找
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</span>
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</a>
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<nav class="md-nav" aria-label="数组查找">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#arrayindexofarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
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|
|
array.indexOf(arr, item)
|
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</span>
|
|
</a>
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|
</li>
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<li class="md-nav__item">
|
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<a href="#arraylastindexofarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
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|
array.lastIndexOf(arr, item)
|
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|
</span>
|
|
</a>
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|
</li>
|
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<li class="md-nav__item">
|
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<a href="#arrayincludesarr-item" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
array.includes(arr, item)
|
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="#_7" class="md-nav__link">
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<span class="md-ellipsis">
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数组转换
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</span>
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</a>
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<nav class="md-nav" aria-label="数组转换">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#arrayjoinarr-sep" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
|
array.join(arr, sep)
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|
|
</span>
|
|
</a>
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</li>
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<li class="md-nav__item">
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<a href="#arrayreversearr" class="md-nav__link">
|
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<span class="md-ellipsis">
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array.reverse(arr)
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|
|
</span>
|
|
</a>
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</li>
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<li class="md-nav__item">
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<a href="#arraysortarr" class="md-nav__link">
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<span class="md-ellipsis">
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array.sort(arr)
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#arrayslicearr-start-end" class="md-nav__link">
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<span class="md-ellipsis">
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array.slice(arr, start, end)
|
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</span>
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</a>
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</li>
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</ul>
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</ul>
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</nav>
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<li class="md-nav__item">
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<a href="#_8" class="md-nav__link">
|
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<span class="md-ellipsis">
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|
示例代码
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#_9" class="md-nav__link">
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<span class="md-ellipsis">
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|
注意事项
|
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../util/" class="md-nav__link">
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<span class="md-ellipsis">
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工具库
|
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</span>
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</a>
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</ul>
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</li>
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</ul>
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</nav>
|
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</div>
|
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</div>
|
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</div>
|
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|
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
|
|
<div class="md-sidebar__scrollwrap">
|
|
<div class="md-sidebar__inner">
|
|
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|
|
|
<nav class="md-nav md-nav--secondary" aria-label="目录">
|
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<label class="md-nav__title" for="__toc">
|
|
<span class="md-nav__icon md-icon"></span>
|
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目录
|
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</label>
|
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
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|
|
<li class="md-nav__item">
|
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<a href="#_2" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
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|
|
简介
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#_3" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
导入方式
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#_4" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
函数参考
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="函数参考">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#_5" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
基本数组操作
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="基本数组操作">
|
|
<ul class="md-nav__list">
|
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|
|
<li class="md-nav__item">
|
|
<a href="#arraylengtharr" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.length(arr)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arraypusharr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.push(arr, item)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arraypoparr" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.pop(arr)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayshiftarr" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.shift(arr)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayunshiftarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.unshift(arr, item)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#_6" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
数组查找
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="数组查找">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayindexofarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.indexOf(arr, item)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arraylastindexofarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.lastIndexOf(arr, item)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayincludesarr-item" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.includes(arr, item)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
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|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#_7" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
数组转换
|
|
|
|
</span>
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="数组转换">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayjoinarr-sep" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.join(arr, sep)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arrayreversearr" class="md-nav__link">
|
|
<span class="md-ellipsis">
|
|
|
|
array.reverse(arr)
|
|
|
|
</span>
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#arraysortarr" class="md-nav__link">
|
|
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array.sort(arr)
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array.slice(arr, start, end)
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<h1 id="_1">数组库<a class="headerlink" href="#_1" title="Permanent link">¶</a></h1>
|
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<h2 id="_2">简介<a class="headerlink" href="#_2" title="Permanent link">¶</a></h2>
|
|
<p>数组库(<code>@array</code>)提供了一系列数组操作函数,包括数组长度获取、元素添加、删除、查找、排序等功能。</p>
|
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<h2 id="_3">导入方式<a class="headerlink" href="#_3" title="Permanent link">¶</a></h2>
|
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<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>@array;
|
|
</code></pre></div>
|
|
<h2 id="_4">函数参考<a class="headerlink" href="#_4" title="Permanent link">¶</a></h2>
|
|
<h3 id="_5">基本数组操作<a class="headerlink" href="#_5" title="Permanent link">¶</a></h3>
|
|
<h4 id="arraylengtharr">array.length(arr)<a class="headerlink" href="#arraylengtharr" title="Permanent link">¶</a></h4>
|
|
<p>获取数组长度。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组</p>
|
|
<p><strong>返回值:</strong>
|
|
- 数组的长度</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>@array;
|
|
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>
|
|
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a>result = array.length(fruits);
|
|
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a>show(`Array length: `, result); !! 输出: 3
|
|
</code></pre></div>
|
|
<h4 id="arraypusharr-item">array.push(arr, item)<a class="headerlink" href="#arraypusharr-item" title="Permanent link">¶</a></h4>
|
|
<p>向数组末尾添加一个元素。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>item</code> - 要添加的元素</p>
|
|
<p><strong>返回值:</strong>
|
|
- 添加元素后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>@array;
|
|
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>
|
|
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>fruits = arr(`apple`, `banana`);
|
|
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a>result = array.push(fruits, `cherry`);
|
|
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a>show(`After push: `, result); !! 输出: ["apple", "banana", "cherry"]
|
|
</code></pre></div>
|
|
<h4 id="arraypoparr">array.pop(arr)<a class="headerlink" href="#arraypoparr" title="Permanent link">¶</a></h4>
|
|
<p>移除数组末尾的元素。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组</p>
|
|
<p><strong>返回值:</strong>
|
|
- 移除元素后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>@array;
|
|
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a>
|
|
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a>result = array.pop(fruits);
|
|
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a>show(`After pop: `, result); !! 输出: ["apple", "banana"]
|
|
</code></pre></div>
|
|
<h4 id="arrayshiftarr">array.shift(arr)<a class="headerlink" href="#arrayshiftarr" title="Permanent link">¶</a></h4>
|
|
<p>移除数组开头的元素。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组</p>
|
|
<p><strong>返回值:</strong>
|
|
- 移除元素后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>@array;
|
|
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>
|
|
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a>result = array.shift(fruits);
|
|
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a>show(`After shift: `, result); !! 输出: ["banana", "cherry"]
|
|
</code></pre></div>
|
|
<h4 id="arrayunshiftarr-item">array.unshift(arr, item)<a class="headerlink" href="#arrayunshiftarr-item" title="Permanent link">¶</a></h4>
|
|
<p>向数组开头添加一个元素。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>item</code> - 要添加的元素</p>
|
|
<p><strong>返回值:</strong>
|
|
- 添加元素后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a>@array;
|
|
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>
|
|
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>fruits = arr(`banana`, `cherry`);
|
|
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a>result = array.unshift(fruits, `apple`);
|
|
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>show(`After unshift: `, result); !! 输出: ["apple", "banana", "cherry"]
|
|
</code></pre></div>
|
|
<h3 id="_6">数组查找<a class="headerlink" href="#_6" title="Permanent link">¶</a></h3>
|
|
<h4 id="arrayindexofarr-item">array.indexOf(arr, item)<a class="headerlink" href="#arrayindexofarr-item" title="Permanent link">¶</a></h4>
|
|
<p>查找元素在数组中的位置。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>item</code> - 要查找的元素</p>
|
|
<p><strong>返回值:</strong>
|
|
- 元素的索引,未找到返回 -1</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>@array;
|
|
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>
|
|
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a>result1 = array.indexOf(fruits, `banana`);
|
|
<a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a>result2 = array.indexOf(fruits, `orange`);
|
|
<a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a>show(`Index of 'banana': `, result1); !! 输出: 1
|
|
<a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a>show(`Index of 'orange': `, result2); !! 输出: -1
|
|
</code></pre></div>
|
|
<h4 id="arraylastindexofarr-item">array.lastIndexOf(arr, item)<a class="headerlink" href="#arraylastindexofarr-item" title="Permanent link">¶</a></h4>
|
|
<p>从数组末尾开始查找元素的位置。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>item</code> - 要查找的元素</p>
|
|
<p><strong>返回值:</strong>
|
|
- 元素的索引,未找到返回 -1</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>@array;
|
|
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>
|
|
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>numbers = arr(1, 2, 3, 2, 1);
|
|
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>result = array.lastIndexOf(numbers, 2);
|
|
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>show(`Last index of 2: `, result); !! 输出: 3
|
|
</code></pre></div>
|
|
<h4 id="arrayincludesarr-item">array.includes(arr, item)<a class="headerlink" href="#arrayincludesarr-item" title="Permanent link">¶</a></h4>
|
|
<p>检查数组是否包含指定元素。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>item</code> - 要检查的元素</p>
|
|
<p><strong>返回值:</strong>
|
|
- 布尔值,表示数组是否包含指定元素</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>@array;
|
|
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>
|
|
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a>result1 = array.includes(fruits, `banana`);
|
|
<a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>result2 = array.includes(fruits, `orange`);
|
|
<a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a>show(`Includes 'banana': `, result1); !! 输出: true
|
|
<a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a>show(`Includes 'orange': `, result2); !! 输出: false
|
|
</code></pre></div>
|
|
<h3 id="_7">数组转换<a class="headerlink" href="#_7" title="Permanent link">¶</a></h3>
|
|
<h4 id="arrayjoinarr-sep">array.join(arr, sep)<a class="headerlink" href="#arrayjoinarr-sep" title="Permanent link">¶</a></h4>
|
|
<p>将数组元素连接成一个字符串。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>sep</code> - 分隔符</p>
|
|
<p><strong>返回值:</strong>
|
|
- 连接后的字符串</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>@array;
|
|
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>
|
|
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a>result = array.join(fruits, `, `);
|
|
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a>show(`Joined: `, result); !! 输出: apple, banana, cherry
|
|
</code></pre></div>
|
|
<h4 id="arrayreversearr">array.reverse(arr)<a class="headerlink" href="#arrayreversearr" title="Permanent link">¶</a></h4>
|
|
<p>反转数组元素的顺序。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组</p>
|
|
<p><strong>返回值:</strong>
|
|
- 反转后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>@array;
|
|
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>
|
|
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>fruits = arr(`apple`, `banana`, `cherry`);
|
|
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a>result = array.reverse(fruits);
|
|
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a>show(`Reversed: `, result); !! 输出: ["cherry", "banana", "apple"]
|
|
</code></pre></div>
|
|
<h4 id="arraysortarr">array.sort(arr)<a class="headerlink" href="#arraysortarr" title="Permanent link">¶</a></h4>
|
|
<p>对数组元素进行排序。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组</p>
|
|
<p><strong>返回值:</strong>
|
|
- 排序后的新数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a>@array;
|
|
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>
|
|
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>numbers = arr(3, 1, 4, 1, 5, 9, 2, 6);
|
|
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a>result = array.sort(numbers);
|
|
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a>show(`Sorted: `, result); !! 输出: [1, 1, 2, 3, 4, 5, 6, 9]
|
|
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a>
|
|
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a>fruits = arr(`cherry`, `apple`, `banana`);
|
|
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a>result = array.sort(fruits);
|
|
<a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a>show(`Sorted fruits: `, result); !! 输出: ["apple", "banana", "cherry"]
|
|
</code></pre></div>
|
|
<h4 id="arrayslicearr-start-end">array.slice(arr, start, end)<a class="headerlink" href="#arrayslicearr-start-end" title="Permanent link">¶</a></h4>
|
|
<p>提取数组的一部分。</p>
|
|
<p><strong>参数:</strong>
|
|
- <code>arr</code> - 数组
|
|
- <code>start</code> - 起始索引(从0开始)
|
|
- <code>end</code> - 结束索引(不包含)</p>
|
|
<p><strong>返回值:</strong>
|
|
- 提取的子数组</p>
|
|
<p><strong>示例:</strong></p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a>@array;
|
|
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>
|
|
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>numbers = arr(0, 1, 2, 3, 4, 5);
|
|
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a>result1 = array.slice(numbers, 2, 4);
|
|
<a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a>result2 = array.slice(numbers, 1);
|
|
<a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a>show(`Slice (2-4): `, result1); !! 输出: [2, 3]
|
|
<a id="__codelineno-12-7" name="__codelineno-12-7" href="#__codelineno-12-7"></a>show(`Slice (1+): `, result2); !! 输出: [1, 2, 3, 4, 5]
|
|
</code></pre></div>
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<h2 id="_8">示例代码<a class="headerlink" href="#_8" title="Permanent link">¶</a></h2>
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<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>@array;
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<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a>
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<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a>!! 创建数组
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<a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a>fruits = arr(`apple`, `banana`, `cherry`);
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<a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a>show(`Original array: `, fruits);
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<a id="__codelineno-13-6" name="__codelineno-13-6" href="#__codelineno-13-6"></a>
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<a id="__codelineno-13-7" name="__codelineno-13-7" href="#__codelineno-13-7"></a>!! 基本操作
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<a id="__codelineno-13-8" name="__codelineno-13-8" href="#__codelineno-13-8"></a>show(`Length: `, array.length(fruits));
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<a id="__codelineno-13-9" name="__codelineno-13-9" href="#__codelineno-13-9"></a>show(`After push: `, array.push(fruits, `orange`));
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<a id="__codelineno-13-10" name="__codelineno-13-10" href="#__codelineno-13-10"></a>show(`After pop: `, array.pop(fruits));
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<a id="__codelineno-13-11" name="__codelineno-13-11" href="#__codelineno-13-11"></a>show(`After unshift: `, array.unshift(fruits, `grape`));
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<a id="__codelineno-13-12" name="__codelineno-13-12" href="#__codelineno-13-12"></a>show(`After shift: `, array.shift(fruits));
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<a id="__codelineno-13-13" name="__codelineno-13-13" href="#__codelineno-13-13"></a>
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<a id="__codelineno-13-14" name="__codelineno-13-14" href="#__codelineno-13-14"></a>!! 查找操作
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<a id="__codelineno-13-15" name="__codelineno-13-15" href="#__codelineno-13-15"></a>show(`Index of 'banana': `, array.indexOf(fruits, `banana`));
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<a id="__codelineno-13-16" name="__codelineno-13-16" href="#__codelineno-13-16"></a>show(`Last index of 'banana': `, array.lastIndexOf(fruits, `banana`));
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<a id="__codelineno-13-17" name="__codelineno-13-17" href="#__codelineno-13-17"></a>show(`Includes 'cherry': `, array.includes(fruits, `cherry`));
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<a id="__codelineno-13-18" name="__codelineno-13-18" href="#__codelineno-13-18"></a>
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<a id="__codelineno-13-19" name="__codelineno-13-19" href="#__codelineno-13-19"></a>!! 转换操作
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<a id="__codelineno-13-20" name="__codelineno-13-20" href="#__codelineno-13-20"></a>show(`Joined: `, array.join(fruits, ` | `));
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<a id="__codelineno-13-21" name="__codelineno-13-21" href="#__codelineno-13-21"></a>show(`Reversed: `, array.reverse(fruits));
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<a id="__codelineno-13-22" name="__codelineno-13-22" href="#__codelineno-13-22"></a>
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<a id="__codelineno-13-23" name="__codelineno-13-23" href="#__codelineno-13-23"></a>!! 排序操作
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<a id="__codelineno-13-24" name="__codelineno-13-24" href="#__codelineno-13-24"></a>numbers = arr(5, 2, 8, 1, 9);
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<a id="__codelineno-13-25" name="__codelineno-13-25" href="#__codelineno-13-25"></a>show(`Original numbers: `, numbers);
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<a id="__codelineno-13-26" name="__codelineno-13-26" href="#__codelineno-13-26"></a>show(`Sorted numbers: `, array.sort(numbers));
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<a id="__codelineno-13-27" name="__codelineno-13-27" href="#__codelineno-13-27"></a>
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<a id="__codelineno-13-28" name="__codelineno-13-28" href="#__codelineno-13-28"></a>!! 切片操作
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<a id="__codelineno-13-29" name="__codelineno-13-29" href="#__codelineno-13-29"></a>show(`Slice (1-3): `, array.slice(numbers, 1, 3));
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</code></pre></div>
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<h2 id="_9">注意事项<a class="headerlink" href="#_9" title="Permanent link">¶</a></h2>
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<ul>
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<li>所有数组操作函数都返回一个新的数组,不会修改原始数组</li>
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<li>数组索引从0开始</li>
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<li>数组元素可以是不同类型的值</li>
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<li>对于大型数组,某些操作(如排序)可能会影响性能</li>
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</ul>
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