てくてく

<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__b6c71b0800998" src="https://embed.zenn.studio/card#zenn-embedded__b6c71b0800998" data-content="https%3A%2F%2Fdackdive.hateblo.jp%2Fentry%2F2015%2F04%2F30%2F102841" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://dackdive.hateblo.jp/entry/2015/04/30/102841" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://dackdive.hateblo.jp/entry/2015/04/30/102841</a></p>


<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__4585d4eb297d8" src="https://embed.zenn.studio/card#zenn-embedded__4585d4eb297d8" data-content="https%3A%2F%2Fqiita.com%2Fqiita_taro%2Fitems%2F19a153df2543d09267e9" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://qiita.com/qiita_taro/items/19a153df2543d09267e9" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://qiita.com/qiita_taro/items/19a153df2543d09267e9</a></p>


<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__d2f7bfaf5fbda" src="https://embed.zenn.studio/card#zenn-embedded__d2f7bfaf5fbda" data-content="https%3A%2F%2Ftech.kurojica.com%2Farchives%2F10875%2F" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://tech.kurojica.com/archives/10875/" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://tech.kurojica.com/archives/10875/</a></p>


<p>単なるreturnはundefinedを返す。</p>


<p>グローバル変数に代入した値の寿命はいつまでなのか？</p>


<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__867efd3574da1" src="https://embed.zenn.studio/card#zenn-embedded__867efd3574da1" data-content="https%3A%2F%2Fskill-up-engineering.com%2F2020%2F06%2F20%2F%25E9%259D%259E%25E5%2590%258C%25E6%259C%259F%25E9%2580%259A%25E4%25BF%25A1%25E3%2581%25AE%25E3%2581%25BE%25E3%2581%25A8%25E3%2582%2581-ajaxfetchaxios%25E3%2581%25AA%25E3%2581%25A9%2F" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://skill-up-engineering.com/2020/06/20/%E9%9D%9E%E5%90%8C%E6%9C%9F%E9%80%9A%E4%BF%A1%E3%81%AE%E3%81%BE%E3%81%A8%E3%82%81-ajaxfetchaxios%E3%81%AA%E3%81%A9/" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://skill-up-engineering.com/2020/06/20/非同期通信のまとめ-ajaxfetchaxiosなど/</a></p>


<p>promise<br>
jQuery以外の非同期通信</p>
