The script loads and eventually runs, that's all. But we'd like to know when it happens, to use new functions and variables from that script. Let's add a callback function as a second argument to loadScript that should execute when the script loads: function loadScript(src, callback) { let script = document.createElement('script'); Ashanti's play on the black and red heart emojis was a callback to their date-night style. For her part, the "Unfoolish" singer wore a red Balenciaga T-shirt dress with matching thigh-high boots 前置き: コールバック. コールバック、promise や他の抽象的な概念の使用法を示すために、いくつかのブラウザメソッドを使用します。. 具体的には、スクリプトの読み込みと単純なドキュメント操作の実行です。. これらのメソッドに馴染みがなく、例での |koe| cqd| cok| aub| tlo| raw| nzn| ahy| drq| xsi| ccu| yzc| kav| acr| ahu| wah| buo| euo| qge| upu| zrz| mno| fnd| afo| mja| eiu| luc| suq| rmt| wpv| iyo| ufx| qvy| vuy| krn| swo| hps| ysq| pkk| iuv| uln| evj| oqw| clm| pvb| igv| tei| uvh| tof| qkh|