AIWROK软件常用数组方法小结汇集方法
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source="https%3A%2F%2Fwww.yuque.com%2Faiwork%2Fnba2pr%2Famyimg7ytupke7vn"></ne-clipboard><div class="lake-content" typography="classic"><ol class="ne-ol" style="padding-left: 23px;"><li id="u6928892a" data-lake-index-type="0"><span class="ne-text">数组.元素升序(arr)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="u6a66aad6" data-lake-index-type="0"><span class="ne-text">功能：将传入的数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">的元素按升序排列。</span></li><li id="u5a257008" data-lake-index-type="0"><span class="ne-text">实现：首先检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出一个错误。使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr.slice()</span></code><span class="ne-text">创建数组的一个副本，以避免直接修改原始数组。然后使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sort(function(a,b){return a-b;})</span></code><span class="ne-text">方法对数组元素进行升序排序。</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sort</span></code><span class="ne-text">方法的比较函数接收两个参数</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">a</span></code><span class="ne-text">和</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">b</span></code><span class="ne-text">，返回它们的差值，这样可以确保数组中的元素按照从小到大的顺序排列。</span></li><li id="uaf62d754" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">null</span></code><span class="ne-text">。</span></li></ul></ul><ol start="2" class="ne-ol" style="padding-left: 23px;"><li id="ucdd254ee" data-lake-index-type="0"><span class="ne-text">数组.元素降序(arr)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="uea4a1491" data-lake-index-type="0"><span class="ne-text">功能：将传入的数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">的元素按降序排列。</span></li><li id="u93b646b7" data-lake-index-type="0"><span class="ne-text">实现：类似上面的</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">元素升序</span></code><span class="ne-text">方法，同样先检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出错误。然后使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr.slice()</span></code><span class="ne-text">复制数组，并通过</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sort(function(a,b){return b-a;})</span></code><span class="ne-text">方法对数组元素进行降序排序。</span></li><li id="ue9e87184" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">null</span></code><span class="ne-text">。</span></li></ul></ul><ol start="3" class="ne-ol" style="padding-left: 23px;"><li id="u920da5b9" data-lake-index-type="0"><span class="ne-text">数组.元素链接(arr, sep)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="u00a0056f" data-lake-index-type="0"><span class="ne-text">功能：将数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">中的所有元素连接成一个字符串，元素之间用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sep</span></code><span class="ne-text">参数指定的分隔符隔开。</span></li><li id="uc3ebd877" data-lake-index-type="0"><span class="ne-text">实现：首先检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出错误。使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr.join()</span></code><span class="ne-text">方法将数组元素连接成字符串，</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">join</span></code><span class="ne-text">方法的参数</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sep</span></code><span class="ne-text">是一个字符串，用于指定分隔符。如果</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">sep</span></code><span class="ne-text">不是字符串，则默认使用逗号</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">,</span></code><span class="ne-text">作为分隔符。</span></li><li id="u454c3bae" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">null</span></code><span class="ne-text">。</span></li></ul></ul><ol start="4" class="ne-ol" style="padding-left: 23px;"><li id="ud819ddbf" data-lake-index-type="0"><span class="ne-text">数组.取长度(arr)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="u43880d88" data-lake-index-type="0"><span class="ne-text">功能：返回数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">的长度。</span></li><li id="u79b69bfd" data-lake-index-type="0"><span class="ne-text">实现：检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出错误。如果</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是一个数组，则返回它的</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">length</span></code><span class="ne-text">属性。</span></li><li id="u0b41b61b" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">0</span></code><span class="ne-text">。</span></li></ul></ul><ol start="5" class="ne-ol" style="padding-left: 23px;"><li id="uadef0768" data-lake-index-type="0"><span class="ne-text">数组.插入元素(arr, el, idx)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="uf6fca932" data-lake-index-type="0"><span class="ne-text">功能：在数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">的指定位置</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">idx</span></code><span class="ne-text">插入元素</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">el</span></code><span class="ne-text">。</span></li><li id="ucf7dd785" data-lake-index-type="0"><span class="ne-text">实现：首先检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出错误。</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">idx</span></code><span class="ne-text">参数是插入元素的位置，如果</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">idx</span></code><span class="ne-text">不是数字，则默认在数组的末尾插入元素。使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr.splice(idx,0,el)</span></code><span class="ne-text">方法在数组的指定位置插入元素。</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">splice</span></code><span class="ne-text">方法的第一个参数是开始操作的位置，第二个参数是删除的元素数量（这里设置为</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">0</span></code><span class="ne-text">，表示不删除任何元素），第三个参数是要插入的元素。</span></li><li id="ue21db6a5" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">null</span></code><span class="ne-text">。</span></li></ul></ul><ol start="6" class="ne-ol" style="padding-left: 23px;"><li id="u5133eddd" data-lake-index-type="0"><span class="ne-text">数组.移除元素(arr, start, len)</span></li></ol><ul class="ne-list-wrap" style="padding-left: 23px; list-style: none;"><ul ne-level="1" class="ne-ul" style="padding-left: 23px; list-style-position: initial; list-style-image: initial;"><li id="u00cd9b3a" data-lake-index-type="0"><span class="ne-text">功能：从数组</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">的指定起始位置</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">start</span></code><span class="ne-text">开始移除</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">len</span></code><span class="ne-text">个元素。</span></li><li id="ufbc1ca93" data-lake-index-type="0"><span class="ne-text">实现：首先检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr</span></code><span class="ne-text">是否为数组，如果不是，则抛出错误。接着检查</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">start</span></code><span class="ne-text">是否为数字，如果不是，则抛出错误。</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">len</span></code><span class="ne-text">参数是要移除的元素数量，如果</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">len</span></code><span class="ne-text">不是数字，则默认从</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">start</span></code><span class="ne-text">位置开始移除到数组末尾的所有元素。使用</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">arr.splice(start,len)</span></code><span class="ne-text">方法移除数组中的元素。</span></li><li id="ufb397b4d" data-lake-index-type="0"><span class="ne-text">错误处理：如果输入的参数不是数组或者</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">start</span></code><span class="ne-text">不是数字，将捕获错误并打印错误信息，同时返回</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding-right: 2px; padding-left: 2px;"><span class="ne-text">null</span></code><span class="ne-text">。</span></li></ul></ul><div><br style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"><ignore_js_op style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"> </ignore_js_op><span style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"></span><ignore_js_op style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"> </ignore_js_op><span style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"></span><ignore_js_op style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"></ignore_js_op></div><div><ignore_js_op style="font-family: "Microsoft YaHei", 微软雅黑, 宋体, Tahoma, Helvetica, SimSun, sans-serif;"><div class="blockcode"><blockquote>/* 安卓手机 Android 和Rhino1.7.13 和ES5 JavaScript环境 */<br><br>var 数组 = {};<br><br>// 1. 元素升序（小到大）<br>数组.元素升序 = function(arr) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> return arr.slice().sort(function(a,b){return a-b;});<br> } catch(e) {<br> printl("[错误] "+e.message); <br> return null;<br> }<br>};<br><br>// 2. 元素降序（大到小） <br>数组.元素降序 = function(arr) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> return arr.slice().sort(function(a,b){return b-a;});<br> } catch(e) {<br> printl("[错误] "+e.message);<br> return null;<br> }<br>};<br><br>// 3. 元素链接（转字符串）<br>数组.元素链接 = function(arr, sep) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> return arr.join(typeof sep=='string'?sep:',');<br> } catch(e) {<br> printl("[错误] "+e.message);<br> return null;<br> }<br>};<br><br>// 4. 取长度<br>数组.取长度 = function(arr) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> return arr.length;<br> } catch(e) {<br> printl("[错误] "+e.message);<br> return 0;<br> }<br>};<br><br>// 5. 插入元素<br>数组.插入元素 = function(arr, el, idx) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> idx = typeof idx=='number'?idx:arr.length;<br> arr.splice(idx,0,el);<br> return arr;<br> } catch(e) {<br> printl("[错误] "+e.message);<br> return null;<br> }<br>};<br><br>// 6. 移除元素<br>数组.移除元素 = function(arr, start, len) {<br> try {<br> if (!Array.isArray(arr)) throw new Error("需要数组");<br> if (typeof start!='number') throw new Error("需要数字位置");<br> len = typeof len=='number'?len:arr.length-start;<br> return arr.splice(start,len);<br> } catch(e) {<br> printl("[错误] "+e.message);<br> return null;<br> }<br>};<br><br>/* 测试用例 */<br>var 测试数据 = ;<br>printl("升序: "+数组.元素升序(测试数据)); // 10,20,30<br>printl("降序: "+数组.元素降序(测试数据)); // 30,20,10<br>printl("链接: "+数组.元素链接(测试数据,"-")); // 30-10-20<br>printl("长度: "+数组.取长度(测试数据)); // 3<br>printl("插入: "+数组.插入元素(测试数据,"新增",1)); // <br>printl("移除: "+数组.移除元素(测试数据,1,2)); // ["新增",10]<br>printl("最终数组: "+测试数据); // </blockquote></div><br></ignore_js_op></div></div><p></p>
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