{"id":16568,"date":"2024-01-09T18:19:41","date_gmt":"2024-01-09T09:19:41","guid":{"rendered":"http:\/\/www.tyosuke20xx.com\/blog\/?p=16568"},"modified":"2024-01-09T18:19:43","modified_gmt":"2024-01-09T09:19:43","slug":"javascript%e3%80%80%e8%a4%87%e9%9b%91%e3%81%aa%e8%a8%88%e7%ae%97","status":"publish","type":"post","link":"http:\/\/www.tyosuke20xx.com\/blog\/?p=16568","title":{"rendered":"Javascript\u3000\u8907\u96d1\u306a\u8a08\u7b97"},"content":{"rendered":"\n
<!DOCTYPE html>\n<html lang="ja">\n<head>\n  <meta charset="utf-8">\n  <title>My Playground<\/title>\n  <style>\n    table {\n      border-collapse: collapse;\n    }\n    th {\n      font-weight: normal;\n      background: #eee;\n    }\n    th,\n    td {\n      padding: 4px;\n      border: 1px solid;\n    }\n    th:nth-child(1) {\n      width: 180px;\n    }\n    th:nth-child(2) {\n      width: 180px;\n    }\n    td:nth-child(2) {\n      text-align: right;\n    }\n    tr:last-child {\n      font-weight: bold;\n    }\n    input[type="checkbox"] {\n      margin-right: 8px;\n    }\n  <\/style>\n<\/head>\n<body>\n  <table>\n    <thead>\n      <tr><th>\u5546\u54c1\u540d<\/th><th>\u4fa1\u683c<\/th><\/tr>\n    <\/thead>\n    <tbody id="items">\n      <tr><td>\u5408\u8a08 (\u9001\u6599\u8fbc)<\/td><td><span id="total">0<\/span>\u5186<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n  <p>\n    \u203b \u7a0e\u8fbc\u4fa1\u683c\u3001\u9001\u6599350\u5186\u306f5,000\u5186\u4ee5\u4e0a\u3067\u7121\u6599\n  <\/p>\n  <script>\n    \/\/ \u5408\u8a08\u91d1\u984d\u30920\u3067\u521d\u671f\u5316\n    let total = 0;\n    \/\/ \u9001\u6599\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u5909\u6570\n    let shipping;\n    \/\/ HTML\u304b\u3089items\u3068\u3044\u3046ID\u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb\u8981\u7d20\u3092\u53d6\u5f97\n    const table = document.getElementById('items');\n    \/\/ HTML\u304b\u3089total\u3068\u3044\u3046ID\u3092\u6301\u3064span\u8981\u7d20\u3092\u53d6\u5f97\n    const totalSpan = document.getElementById('total');\n    \/\/ \u5546\u54c1\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u305f\u914d\u5217\n    const items = [\n      {name: 'T\u30b7\u30e3\u30c4', price: 1200},\n      {name: '\u30ab\u30c3\u30c8\u30b7\u30e3\u30c4', price: 4200},\n      {name: '\u30c1\u30ce\u30d1\u30f3', price: 3800},\n      {name: '\u9774\u4e0b', price: 800},\n    ];\n    \n    \/\/ \u3059\u3079\u3066\u306e\u5546\u54c1\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u51e6\u7406\u3092\u884c\u3046\n    items.forEach((item) => {\n      \/\/ \u65b0\u3057\u3044tr\u8981\u7d20\u3092\u4f5c\u6210\n      const tr = document.createElement('tr');\n      \/\/ \u65b0\u3057\u3044td\u8981\u7d20\u3092\u4f5c\u6210\n      const nameTd = document.createElement('td');\n      \/\/ \u5546\u54c1\u540d\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u4f5c\u6210\n      const nameText = document.createTextNode(item.name);\n      \/\/ \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3092\u4f5c\u6210\n      const checkbox = document.createElement('input');\n      \/\/ \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u30bf\u30a4\u30d7\u3092\u8a2d\u5b9a\n      checkbox.type = "checkbox";\n      \/\/ \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306e\u51e6\u7406\n      checkbox.addEventListener('change', () => {\n        \/\/ \u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5408\u8a08\u91d1\u984d\u3092\u52a0\u7b97\n        if (checkbox.checked) {\n          total += Number(item.price);\n        } else {\n          \/\/ \u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u5408\u8a08\u91d1\u984d\u304b\u3089\u6e1b\u7b97\n          total -= Number(item.price);\n        }\n        \/\/ \u5408\u8a08\u91d1\u984d\u304c5000\u4ee5\u4e0a\u307e\u305f\u306f0\u306e\u5834\u5408\u3001\u9001\u6599\u306f0\n        if (total >= 5000 || total === 0) {\n          shipping = 0;\n        } else {\n          \/\/ \u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u3001\u9001\u6599\u306f350\n          shipping = 350;\n        }\n        \/\/ \u5408\u8a08\u91d1\u984d\u3068\u9001\u6599\u3092\u52a0\u7b97\u3057\u3001totalSpan\u306b\u8868\u793a\n        totalSpan.textContent = (total + shipping).toLocaleString();\n      });\n      \/\/ \u65b0\u3057\u3044td\u8981\u7d20\u3092\u4f5c\u6210\n      const priceTd = document.createElement('td');\n      \/\/ \u4fa1\u683c\u3092\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066td\u8981\u7d20\u306b\u8ffd\u52a0\n      priceTd.textContent = item.price.toLocaleString() + '\u5186';\n      \/\/ td\u8981\u7d20\u306b\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3068\u5546\u54c1\u540d\u3092\u8ffd\u52a0\n      nameTd.appendChild(checkbox);\n      nameTd.appendChild(nameText);\n      \/\/ tr\u8981\u7d20\u306b\u5546\u54c1\u540d\u306etd\u8981\u7d20\u3068\u4fa1\u683c\u306etd\u8981\u7d20\u3092\u8ffd\u52a0\n      tr.appendChild(nameTd);\n      tr.appendChild(priceTd);\n      \/\/ tr\u8981\u7d20\u3092\u30c6\u30fc\u30d6\u30eb\u306e\u6700\u5f8c\u306e\u884c\u306e\u524d\u306b\u633f\u5165\n      table.insertBefore(tr, table.rows[table.rows.length - 1]);\n    });\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[78,4],"tags":[41,3],"class_list":["post-16568","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming","tag-javascript","tag-programming"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/16568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16568"}],"version-history":[{"count":1,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/16568\/revisions"}],"predecessor-version":[{"id":16569,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/16568\/revisions\/16569"}],"wp:attachment":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16568"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}