{"id":1370,"date":"2026-02-10T16:21:24","date_gmt":"2026-02-10T07:21:24","guid":{"rendered":"https:\/\/takaya-com.jp\/archives\/?p=1370"},"modified":"2026-02-10T16:22:50","modified_gmt":"2026-02-10T07:22:50","slug":"zoomandchange","status":"publish","type":"post","link":"https:\/\/takaya-com.jp\/archives\/2026\/02\/zoomandchange\/","title":{"rendered":"JavaScript\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u3092\u30ba\u30fc\u30e0\u3057\u306a\u304c\u3089\u5207\u308a\u66ff\u3048\u308b"},"content":{"rendered":"

<\/p>\n

\u753b\u50cf\u304c\u3086\u3063\u304f\u308a\u30ba\u30fc\u30e0\u3057\u306a\u304c\u3089\u5207\u308a\u66ff\u308f\u3063\u3066\u3044\u304fJavaScript\u3067\u3059\u3002<\/p>\n

\u5b9a\u756a\u306e\u6a2a\u30b9\u30e9\u30a4\u30c9\u3068\u306f\u307e\u305f\u9055\u3063\u305f\u96f0\u56f2\u6c17\u304c\u51fa\u307e\u3059\u3002
\n\u4eca\u56de\u306fJavaScript\u3067\u753b\u50cf\u306e\u5207\u66ff\u3092\u8a2d\u5b9a<\/b>\u3001
\nCSS\u3067\u5207\u308a\u66ff\u308f\u308b\u969b\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a<\/b>\u3059\u308b\u3053\u3068\u3067\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30c7\u30e2\u30da\u30fc\u30b8\u306f\u3001\u3053\u3061\u3089<\/a><\/p>\n

<\/p>\n

\u2193\u4ee5\u4e0b\u304c\u5b9f\u969b\u306e\u30bd\u30fc\u30b9\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n

\u25bcHTML<\/p>\n

\r\n<div class=\"zoomandchange\">\r\n    <img src=\"\u753b\u50cf1.jpg\" class=\"active\" alt=\"\u753b\u50cf1\">\r\n    <img src=\"\u753b\u50cf2.jpg\" alt=\"\u753b\u50cf2\">\r\n    <img src=\"\u753b\u50cf3.jpg\" alt=\"\u753b\u50cf3\">\r\n    <img src=\"\u753b\u50cf4.jpg\" alt=\"\u753b\u50cf4\">\r\n    <img src=\"\u753b\u50cf5.jpg\" alt=\"\u753b\u50cf5\">\r\n<\/div>\r\n<\/pre>\n
\u25bcJavaScript<\/p>\n
\r\nconst allimage = document.querySelectorAll('.zoomandchange img');\r\nlet nextIndex = 1;\r\n\r\nfunction imgAppear() {\r\n    if (nextIndex >= allimage.length) {\r\n        nextIndex = 0;\r\n    }\r\n\r\n    allimage.forEach(image => {\r\n        image.classList.remove('active');\r\n    });\r\n\r\n    allimage[nextIndex].classList.add('active');\r\n    nextIndex++;\r\n}\r\n\r\nsetInterval(imgAppear, 5000);\r\n<\/pre>\n
\u25bcCSS<\/p>\n
\r\n.zoomandchange {\r\n    position: relative;\r\n    width: 600px;\r\n    \/* \u2190\u4efb\u610f\u306e\u753b\u50cf\u30b5\u30a4\u30ba\u6a2a *\/\r\n    height: 450px;\r\n    \/* \u2190\u4efb\u610f\u306e\u753b\u50cf\u30b5\u30a4\u30ba\u7e26 *\/\r\n    overflow: hidden;\r\n    margin: 0 auto;\r\n}\r\n\r\n.zoomandchange img {\r\n    position: absolute;\r\n    top: 0;\r\n    left: 0;\r\n    width: 100%;\r\n    height: 100%;\r\n    object-fit: cover;\r\n    opacity: 0;\r\n}\r\n\r\n.zoomandchange img.active {\r\n    animation: 5s zoomFadeIn forwards;\r\n}\r\n\r\n\/* \u753b\u50cf\u304c\u3086\u3063\u304f\u308a\u30ba\u30fc\u30e0\u3057\u306a\u304c\u3089\u8868\u308c\u6d88\u3048\u3066\u3044\u304f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a *\/\r\n\r\n@keyframes zoomFadeIn {\r\n    0% {\r\n        opacity: 0;\r\n        transform: scale(1);\r\n    }\r\n\r\n    50% {\r\n        opacity: 1;\r\n    }\r\n\r\n    100% {\r\n        opacity: 0;\r\n        transform: scale(1.2);\r\n    }\r\n}\r\n<\/pre>\n
\u4eca\u56de\u3001\u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f\u306e\u306f\u3001
\n\u300e\u3010JS&CSS\u3011\u753b\u50cf\u3092\u30ba\u30fc\u30e0\u30a4\u30f3\uff06\u3075\u308f\u3063\u3068\u5207\u308a\u66ff\u3048\u308b\u65b9\u6cd5 – \u30ce\u30d9\u30d6\u30ed<\/a>\u300f\u3055\u3093\u3067\u3059\u3002
\n\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u753b\u50cf\u304c\u3086\u3063\u304f\u308a\u30ba\u30fc\u30e0\u3057\u306a\u304c\u3089\u5207\u308a\u66ff\u308f\u3063\u3066\u3044\u304fJavaScript\u3067\u3059\u3002 \u5b9a\u756a\u306e\u6a2a\u30b9\u30e9\u30a4\u30c9\u3068\u306f\u307e\u305f\u9055\u3063\u305f\u96f0\u56f2\u6c17\u304c\u51fa\u307e\u3059\u3002 \u4eca\u56de\u306fJavaScript\u3067\u753b\u50cf\u306e\u5207\u66ff\u3092\u8a2d\u5b9a\u3001 CSS\u3067\u5207\u308a\u66ff\u308f\u308b\u969b\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20,1],"tags":[],"_links":{"self":[{"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/posts\/1370"}],"collection":[{"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/comments?post=1370"}],"version-history":[{"count":11,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/posts\/1370\/revisions"}],"predecessor-version":[{"id":1384,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/posts\/1370\/revisions\/1384"}],"wp:attachment":[{"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/media?parent=1370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/categories?post=1370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/takaya-com.jp\/archives\/wp-json\/wp\/v2\/tags?post=1370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}