<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                企業??AI智能體構建引擎,智能編排和調試,一鍵部署,支持知識庫和私有化部署方案 廣告
                ## Object.freeze(obj) 定義:凍結對象,如果對象的屬性不是對象,那么就不能被修改。 * 在 `'use strict' `模式下,修改或添加新屬性會報錯;在 普通模式 下靜默不會有任何反應 ![Object-freeze-1](https://box.kancloud.cn/a356fa94b39e5b6f63ce2f69f78107f0_607x490.png) * * * * * * 如果對象的屬性是對象,那么是可以修改的,除非這個對象也是凍狀態,則就不會被修改 ![Object-freeze-2](https://box.kancloud.cn/271c9c56e7e6bada9f17d69567170dff_340x297.png) * * * * * ## Object.seal(obj) 定義:密封對象,與freeze功能類似,無法添加屬性,但密封的對象可以改變它們現有的屬性 ![Object-freeze-3](https://box.kancloud.cn/943b67c890863fd145a6a9dc6ad78567_597x378.png) > MDN
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看