{"blog_url":"https://camellia.hatenablog.jp/","provider_url":"https://hatena.blog","url":"https://camellia.hatenablog.jp/entry/2025/05/18/072140","published":"2025-05-18 07:21:40","height":"190","type":"rich","provider_name":"Hatena Blog","categories":["JavaScript"],"blog_title":"\u30ab\u30e1\u30ea\u30a2\u306e\u8a18\u4e8b","title":"JavaScript \u3067\u30a4\u30d9\u30f3\u30c8\u3092 then \u3059\u308b","author_name":"camellia1977","image_url":null,"description":"\u30b3\u30fc\u30c9 \u5358\u54c1 new Promise(resolve => { window.onload = e => { resolve(e) } }) .then(e => { // \u51e6\u7406 }) \u8907\u6570 let promiseArray = [] for (let i of array) { promiseArray .push( new Promise(resolve => { // \u51e6\u7406 someone.onload = e => { resolve(e) } }) ) } Promise.all(promiseArray) .then(eArray => { // \u51e6\u7406 }) \u7d4c\u7def \u4ed6\u306e Promi\u2026","width":"100%","author_url":"https://blog.hatena.ne.jp/camellia1977/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcamellia.hatenablog.jp%2Fentry%2F2025%2F05%2F18%2F072140\" title=\"JavaScript \u3067\u30a4\u30d9\u30f3\u30c8\u3092 then \u3059\u308b - \u30ab\u30e1\u30ea\u30a2\u306e\u8a18\u4e8b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0"}