{"id":20479,"date":"2022-09-29T11:20:25","date_gmt":"2022-09-29T02:20:25","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/?p=20479"},"modified":"2026-10-21T15:30:36","modified_gmt":"2026-10-21T06:30:36","slug":"calculate-number-in-table","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/calculate-number-in-table\/","title":{"rendered":"WordPress\u2502\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u6570\u5b57\u3092\u8a08\u7b97\u3057\u3066\u5408\u8a08\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30c6\u30fc\u30d6\u30eb\u306etbody\u306e\u884c\u6570\u3068\u30012\u5217\u76ee\u306e\u6570\u5024\u306e\u5408\u8a08\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e\u8868\u3067\u3082ID\u3092\u91cd\u8907\u3055\u305b\u305a\u3001\u8868\u3054\u3068\u306b\u96c6\u8a08\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7\u4f8b\u306ePHP\u3068script\u306e\u6df7\u5728\u3001window.onload\u306e\u4e0a\u66f8\u304d\u3001parseInt\u306b\u3088\u308b\u5c0f\u6570\u5207\u308a\u6368\u3066\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n\n<h2 class=\"wp-block-heading\">\u52d5\u304f\u8868\u793a\u4f8b<\/h2>\n<div class=\"waza-table-totals\">\n<table><thead><tr><th>\u9805\u76ee<\/th><th>\u5024<\/th><\/tr><\/thead><tbody>\n<tr><td>A<\/td><td>10.25<\/td><\/tr>\n<tr><td>B<\/td><td>20.50<\/td><\/tr>\n<tr><td>C<\/td><td>-0.75<\/td><\/tr>\n<\/tbody><\/table>\n<p>\u884c\u6570\uff1a<span class=\"waza-row-count\">\u672a\u96c6\u8a08<\/span>\u3001\u5408\u8a08\uff1a<span class=\"waza-total\">\u672a\u96c6\u8a08<\/span><\/p>\n<\/div><script>(() => {\n  const run = () => document.querySelectorAll('.waza-table-totals').forEach(box => {\n    const rows = box.querySelectorAll('tbody tr');\n    const output = box.querySelector('.waza-total');\n    const count = box.querySelector('.waza-row-count');\n    if (!output || !count) return;\n    let total = 0, valid = true;\n    rows.forEach(row => {\n      const cell = row.cells[1];\n      const text = cell ? cell.textContent.trim() : '';\n      if (!\/^-?\\d+(?:\\.\\d{1,2})?$\/.test(text)) { valid = false; return; }\n      const [whole, fraction = ''] = text.split('.');\n      const cents = Number(whole + fraction.padEnd(2, '0'));\n      if (!Number.isSafeInteger(cents) || !Number.isSafeInteger(total + cents)) { valid = false; return; }\n      total += cents;\n    });\n    count.textContent = String(rows.length);\n    const digits = Math.abs(total).toString().padStart(3, '0');\n    const formatted = (total < 0 ? '-' : '') + digits.slice(0, -2) + '.' + digits.slice(-2);\n    output.textContent = valid ? formatted : '\u96c6\u8a08\u3067\u304d\u306a\u3044\u5024\u304c\u3042\u308a\u307e\u3059';\n  });\n  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', run, {once:true});\n  else run();\n})();\n<\/script>\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u306e\u884c\u6570\u306f3\u3001\u5408\u8a08\u306f30.00\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u7121\u52b9\u6642\u306f\u300c\u672a\u96c6\u8a08\u300d\u306e\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\u5f8c\u306b\u884c\u3092\u8ffd\u52a0\u30fb\u7de8\u96c6\u3059\u308b\u6a5f\u80fd\u306f\u542b\u307f\u307e\u305b\u3093\u3002<\/p>\n\n<h2 class=\"wp-block-heading\">HTML\u3092\u8a2d\u7f6e<\/h2>\n\n<p class=\"wp-block-paragraph\">\u5909\u66f4\u524d\u306e\u30d6\u30ed\u30c3\u30af\u3092\u4fdd\u5b58\u3057\u3066\u304b\u3089\u3001\u6295\u7a3f\u306e\u30ab\u30b9\u30bf\u30e0HTML\u30d6\u30ed\u30c3\u30af\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u306ewaza-table-totals\u8981\u7d20\u306b\u306f\u30011\u3064\u306e\u8868\u3068\u305d\u306e\u884c\u6570\u30fb\u5408\u8a08\u306e\u51fa\u529b\u6b04\u3092\u5165\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e\u8868\u3092\u7f6e\u304f\u5834\u5408\u306f\u3001\u3053\u306e\u56f2\u307f\u8981\u7d20\u3054\u3068\u5206\u3051\u3001\u8868\u3084\u56f2\u307f\u8981\u7d20\u3092\u5165\u308c\u5b50\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u5217\u76ee\u306f\u534a\u89d2\u6570\u5b57\u3001\u5148\u982d\u306e\u30de\u30a4\u30ca\u30b9\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b2\u6841\u307e\u3067\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30f3\u30de\u533a\u5207\u308a\u3001\u5186\u8a18\u53f7\u3001\u7a7a\u6b04\u3001\u30bb\u30eb\u7d50\u5408\u306f\u6271\u3044\u307e\u305b\u3093\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"html\"><code>&lt;div class=\"waza-table-totals\"&gt;\n&lt;table&gt;&lt;thead&gt;&lt;tr&gt;&lt;th&gt;\u9805\u76ee&lt;\/th&gt;&lt;th&gt;\u5024&lt;\/th&gt;&lt;\/tr&gt;&lt;\/thead&gt;&lt;tbody&gt;\n&lt;tr&gt;&lt;td&gt;A&lt;\/td&gt;&lt;td&gt;10.25&lt;\/td&gt;&lt;\/tr&gt;\n&lt;tr&gt;&lt;td&gt;B&lt;\/td&gt;&lt;td&gt;20.50&lt;\/td&gt;&lt;\/tr&gt;\n&lt;tr&gt;&lt;td&gt;C&lt;\/td&gt;&lt;td&gt;-0.75&lt;\/td&gt;&lt;\/tr&gt;\n&lt;\/tbody&gt;&lt;\/table&gt;\n&lt;p&gt;\u884c\u6570\uff1a&lt;span class=\"waza-row-count\"&gt;\u672a\u96c6\u8a08&lt;\/span&gt;\u3001\u5408\u8a08\uff1a&lt;span class=\"waza-total\"&gt;\u672a\u96c6\u8a08&lt;\/span&gt;&lt;\/p&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n<h2 class=\"wp-block-heading\">JavaScript\u30921\u56de\u3060\u3051\u8aad\u307f\u8fbc\u3080<\/h2>\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u3092\u5b50\u30c6\u30fc\u30de\u306eJS\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3078\u8ffd\u52a0\u3057\u3001\u5bfe\u8c61\u30da\u30fc\u30b8\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30b9\u30bf\u30e0HTML\u5185\u306b\u8a2d\u7f6e\u3059\u308b\u5834\u5408\u306fscript\u30bf\u30b0\u3067\u56f2\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3079\u3066\u306e\u5bfe\u8c61\u8868\u306eHTML\u3092\u5148\u306b\u7f6e\u304d\u3001\u305d\u306e\u5f8c\u308d\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u30921\u56de\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u5f8c\u306b\u8ffd\u52a0\u3057\u305f\u8868\u3084\u5909\u66f4\u3057\u305f\u5024\u306f\u3001\u81ea\u52d5\u3067\u518d\u96c6\u8a08\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6295\u7a3f\u6a29\u9650\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u306b\u3088\u3063\u3066script\u304c\u4fdd\u5b58\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30c6\u30fc\u30de\u5074\u306e\u8aad\u307f\u8fbc\u307f\u3092\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PHP\u6b04\u3078JavaScript\u3060\u3051\u3092\u8cbc\u3089\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"js\"><code>(() =&gt; {\n  const run = () =&gt; document.querySelectorAll('.waza-table-totals').forEach(box =&gt; {\n    const rows = box.querySelectorAll('tbody tr');\n    const output = box.querySelector('.waza-total');\n    const count = box.querySelector('.waza-row-count');\n    if (!output || !count) return;\n    let total = 0, valid = true;\n    rows.forEach(row =&gt; {\n      const cell = row.cells[1];\n      const text = cell ? cell.textContent.trim() : '';\n      if (!\/^-?\\d+(?:\\.\\d{1,2})?$\/.test(text)) { valid = false; return; }\n      const [whole, fraction = ''] = text.split('.');\n      const cents = Number(whole + fraction.padEnd(2, '0'));\n      if (!Number.isSafeInteger(cents) || !Number.isSafeInteger(total + cents)) { valid = false; return; }\n      total += cents;\n    });\n    count.textContent = String(rows.length);\n    const digits = Math.abs(total).toString().padStart(3, '0');\n    const formatted = (total &lt; 0 ? '-' : '') + digits.slice(0, -2) + '.' + digits.slice(-2);\n    output.textContent = valid ? formatted : '\u96c6\u8a08\u3067\u304d\u306a\u3044\u5024\u304c\u3042\u308a\u307e\u3059';\n  });\n  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', run, {once:true});\n  else run();\n})();\n<\/code><\/pre><\/div>\n<h2 class=\"wp-block-heading\">\u5165\u529b\u6761\u4ef6\u3068\u78ba\u8a8d<\/h2>\n\n<p class=\"wp-block-paragraph\">\u5165\u529b\u6587\u5b57\u5217\u3092\u6574\u6570\u90e8\u3068\u5c0f\u6570\u90e8\u306b\u5206\u3051\u3001\u5c0f\u6570\u90e8\u30922\u6841\u306b\u305d\u308d\u3048\u3066\u304b\u3089\u6574\u6570\u3078\u5909\u63db\u3057\u307e\u3059\u3002\u5c0f\u6570\u306eNumber\u306b100\u3092\u639b\u3051\u308b\u65b9\u6cd5\u306f\u3001\u5927\u304d\u306a\u5024\u3067\u5909\u63db\u6642\u306b\u8aa4\u5dee\u304c\u51fa\u308b\u305f\u3081\u4f7f\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5404\u5024\u3092100\u500d\u306e\u5358\u4f4d\u306b\u3057\u305f\u6574\u6570\u3068\u3001\u52a0\u7b97\u9014\u4e2d\u306e\u5408\u8a08\u304c\u5b89\u5168\u306a\u6574\u6570\u7bc4\u56f2\u3092\u8d85\u3048\u305f\u5834\u5408\u306f\u96c6\u8a08\u30a8\u30e9\u30fc\u306b\u3057\u307e\u3059\u30021\u3064\u306e\u5024\u306e\u7d76\u5bfe\u5024\u306e\u4e0a\u9650\u306f90071992547409.91\u3067\u3059\u3002\u6700\u5f8c\u306b\u76f8\u6bba\u3055\u308c\u308b\u5834\u5408\u3067\u3082\u3001\u9014\u4e2d\u3067\u7bc4\u56f2\u3092\u8d85\u3048\u308c\u3070\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u8868\u793a\u3082\u6574\u6570\u306e\u6587\u5b57\u5217\u3078\u5c0f\u6570\u70b9\u3092\u5165\u308c\u3001toFixed\u306b\u3088\u308b\u518d\u5909\u63db\u3092\u907f\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f1a\u8a08\u51e6\u7406\u3084\u4efb\u610f\u7cbe\u5ea6\u306e\u8a08\u7b97\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u898b\u51fa\u3057\u884c\u306f\u6570\u3048\u305a\u3001\u5bfe\u8c61\u306etbody\u306e\u884c\u3092\u6570\u3048\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u6570\u30fb\u8ca0\u6570\u30fb\u5c0f\u6570\u3001\u7a7a\u306e\u8868\u3001\u6570\u5024\u3067\u306a\u3044\u6587\u5b57\u3001\u8907\u6570\u306e\u8868\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30e9\u30fc\u5024\u304c1\u3064\u3067\u3082\u3042\u308b\u5834\u5408\u306f\u5408\u8a08\u306e\u4ee3\u308f\u308a\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5143\u306b\u623b\u3059\u3068\u304d\u306f\u4eca\u56de\u306eHTML\u3068JavaScript\u3092\u53d6\u308a\u9664\u304d\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"375\" height=\"865\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/waza-table-total-mobile-20261001.jpg\" alt=\"\u30b9\u30de\u30db\u5e45\u3067\u30c6\u30fc\u30d6\u30eb\u306e\u884c\u65703\u3068\u5408\u8a0830.00\u3092\u8868\u793a\u3057\u305f\u5b9f\u753b\u9762\" class=\"wp-image-29857\"\/><figcaption class=\"wp-element-caption\">2026\u5e7410\u67081\u65e5\u3001\u5e45390px\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u78ba\u8a8d\u3057\u305f\u8a08\u7b97\u4f8b\u3002<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081\u3068\u53c2\u8003\u8cc7\u6599<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e7410\u670821\u65e5\u3001\u65e7\u30b3\u30fc\u30c9\u306790071992547409.90\u304c90071992547409.91\u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u518d\u73fe\u3057\u3001\u6587\u5b57\u5217\u304b\u3089\u6574\u6570\u3078\u5909\u63db\u3059\u308b\u51e6\u7406\u3068\u8868\u793a\u51e6\u7406\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002\u63b2\u8f09\u30b3\u30fc\u30c9\u3068\u3053\u306e\u30da\u30fc\u30b8\u306e\u52d5\u304f\u898b\u672c\u306f\u540c\u3058\u51e6\u7406\u3067\u3059\u3002\u5c0f\u65702\u6841\u307e\u3067\u3068\u3044\u3046\u5165\u529b\u6761\u4ef6\u3068\u5b89\u5168\u306a\u6574\u6570\u7bc4\u56f2\u306e\u5236\u9650\u306f\u6b8b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Number\/isSafeInteger\" target=\"_blank\" rel=\"noopener noreferrer\">MDN Web Docs\uff1aNumber.isSafeInteger() \u4ed5\u69d8<\/a><\/li><li><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Number\/toFixed\" target=\"_blank\" rel=\"noopener noreferrer\">MDN Web Docs\uff1aNumber.prototype.toFixed() \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/a><\/li><li>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-column-order\/\">WordPress\u2502CSS\u3092\u4f7f\u3063\u3066\u30ab\u30e9\u30e0\u30d6\u30ed\u30c3\u30af\u306e\u8868\u793a\u3092\u4e26\u3073\u66ff\u3048\u3092\u3059\u308b\u65b9\u6cd5<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff1aWordPress\u3067\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u6570\u5b57\u3092\u8a08\u7b97\u3057\u3066\u5408\u8a08\u3092\u8868\u793a\u3059\u308b\u3068\u304d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u4f55\u3092\u96c6\u8a08\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p 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