{"id":2630,"date":"2024-09-15T11:38:20","date_gmt":"2024-09-15T02:38:20","guid":{"rendered":"https:\/\/haugenic.com\/?p=2630"},"modified":"2024-09-21T23:59:49","modified_gmt":"2024-09-21T14:59:49","slug":"%e3%80%90javascript%e3%80%91%e3%83%93%e3%83%95%e3%82%a9%e3%83%bc%e3%82%a2%e3%83%95%e3%82%bf%e3%83%bc%e3%81%ae%e4%bd%9c%e3%82%8a%e6%96%b9-%e3%83%89%e3%83%a9%e3%83%83%e3%82%b0%e3%81%a7%e3%81%ae","status":"publish","type":"post","link":"https:\/\/haugenic.com\/?p=2630","title":{"rendered":"\u3010JavaScript\u3011\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u306e\u4f5c\u308a\u65b9 - \u30c9\u30e9\u30c3\u30b0\u753b\u50cf\u6bd4\u8f03\u306e\u5b9f\u88c5"},"content":{"rendered":"

2\u679a\u306e\u753b\u50cf\u3092\u5de6\u53f3\u306b\u8868\u793a\u3057\u3001\u5883\u754c\u7dda\u3092\u30c9\u30e9\u30c3\u30b0\uff08\u30b9\u30ef\u30a4\u30d7\uff09\u3059\u308b\u3053\u3068\u3067\u6bd4\u8f03\u3059\u308b\u300c\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u6bd4\u8f03<\/span><\/span>\u300d\u3092\u4f5c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u7121\u3057\u3067\u30b3\u30d4\u30da\u3067\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff01<\/p>\r\n

2\u679a\u306e\u753b\u50cf\u3092\u7528\u610f<\/h2>\r\n
\r\n
\"\u753b\u50cfA\"
\r\n\u30d3\u30d5\u30a9\u30fc<\/span><\/div>\r\n
\"\u753b\u50cfB\"
\r\n\u30a2\u30d5\u30bf\u30fc<\/span><\/div>\r\n<\/div>\r\n

\u30d3\u30d5\u30a9\u30fc\u3068\u30a2\u30d5\u30bf\u30fc\u306e2\u679a\u306e\u753b\u50cf\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u30b5\u30a4\u30ba\u306f\u9055\u3063\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u304c\u3001<\/span>\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u5408\u308f\u305b\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/span><\/span>\u3002<\/p>\r\n

\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u753b\u50cf\u6bd4\u8f03\u306e\u30b5\u30f3\u30d7\u30eb<\/h2>\r\n
\"Before\" \"After\"\r\n
<\/div>\r\n<\/div>\r\n

\u521d\u671f\u72b6\u614b\u306f\u2190Slide\u2192<\/span>\u3068\u3044\u3046\u5e2f\u3092\u6a2a\u63fa\u308c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u8868\u793a\u3057\u3001\u300c\u30b9\u30e9\u30a4\u30c9\u3067\u304d\u308b\u753b\u50cf\u3060\u3088\uff5e<\/span><\/span>\u300d\u3068\u3044\u3046\u3053\u3068\u3092\u30a2\u30d4\u30fc\u30eb\u3057\u307e\u3059\u3002
\r\n\u9818\u57df\u5185\u3092\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u3044\u308b\u6700\u4e2d\u306f\u5e2f\u304c\u6d88\u3048\u307e\u3059<\/span>\u3002\u30ab\u30fc\u30bd\u30eb\u3092\u96e2\u3059\u3068\u9759\u6b62\u72b6\u614b\u306e\u2190Slide\u2192<\/span>\u304c\u518d\u51fa\u73fe\u3057\u3001\u5883\u754c\u7dda\u306e\u30cf\u30f3\u30c9\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\r\n

\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u4f8b<\/h3>\r\n
\"Before\" \"After\"\r\n
<\/div>\r\n<\/div>\r\n

\u5883\u754c\u7dda\u3068\u5e2f\u306e\u8272\u3001\u753b\u50cf\u306e\u8868\u793a\u30b5\u30a4\u30ba\u306f\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\r\n

\u307e\u305f\u3001\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u9818\u57df\u306f\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u6307\u5b9a\u3057\u305f\u753b\u50cf\u30b5\u30a4\u30ba\u3088\u308a\u3082\u753b\u9762\u304c\u5c0f\u3055\u3044\u5834\u5408\u3001\u753b\u9762\u5e45\u306b\u5408\u308f\u305b\u3066\u81ea\u52d5\u7684\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u307e\u3059\u3002\u69d8\u3005\u306a\u30c7\u30d0\u30a4\u30b9\u3067\u6700\u9069\u306a\u8868\u793a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\r\n

\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\r\n

JavaScript\u30b3\u30fc\u30c9<\/h3>\r\n
<script>\r\n(function() {\r\n    function initBeforeAfter() {\r\n        const containers = document.querySelectorAll('.before-after-container');\r\n\r\n        containers.forEach(container => {\r\n            const beforeImage = container.querySelector('.before-image');\r\n            const afterImage = container.querySelector('.after-image');\r\n            const sliderHandle = container.querySelector('.slider-handle');\r\n\r\n            let isDragging = false;\r\n            let containerWidth;\r\n\r\n            function updateSliderPosition(percentage) {\r\n                const clampedPercentage = Math.max(0, Math.min(100, percentage));\r\n                sliderHandle.style.left = `${clampedPercentage}%`;\r\n                afterImage.style.clipPath = `polygon(${clampedPercentage}% 0, 100% 0, 100% 100%, ${clampedPercentage}% 100%)`;\r\n            }\r\n\r\n            function handleDrag(clientX) {\r\n                if (!isDragging) return;\r\n                const containerRect = container.getBoundingClientRect();\r\n                const position = clientX - containerRect.left;\r\n                const percentage = (position \/ containerRect.width) * 100;\r\n                updateSliderPosition(percentage);\r\n            }\r\n\r\n            function startDragging(e) {\r\n                isDragging = true;\r\n                sliderHandle.classList.add('active');\r\n                sliderHandle.classList.add('used');\r\n                e.preventDefault();\r\n                handleDrag(e.type.includes('mouse') ? e.clientX : e.touches[0].clientX);\r\n            }\r\n\r\n            function stopDragging() {\r\n                isDragging = false;\r\n                sliderHandle.classList.remove('active');\r\n            }\r\n\r\n            sliderHandle.addEventListener('mousedown', startDragging);\r\n            sliderHandle.addEventListener('touchstart', startDragging);\r\n\r\n            document.addEventListener('mousemove', (e) => handleDrag(e.clientX));\r\n            document.addEventListener('touchmove', (e) => handleDrag(e.touches[0].clientX));\r\n\r\n            document.addEventListener('mouseup', stopDragging);\r\n            document.addEventListener('touchend', stopDragging);\r\n\r\n            function setContainerSize() {\r\n                const maxWidth = parseInt(container.getAttribute('data-max-width') || '100%');\r\n                const viewportWidth = Math.min(document.documentElement.clientWidth, window.innerWidth);\r\n                containerWidth = Math.min(maxWidth, viewportWidth);\r\n                container.style.width = `${containerWidth}px`;\r\n            }\r\n\r\n            function initializeContainer() {\r\n                setContainerSize();\r\n                updateSliderPosition(50);\r\n            }\r\n\r\n            if (beforeImage.complete && afterImage.complete) {\r\n                initializeContainer();\r\n            } else {\r\n                beforeImage.onload = afterImage.onload = initializeContainer;\r\n            }\r\n        });\r\n    }\r\n\r\n    \/\/ DOMContentLoaded\r\n    if (document.readyState === 'loading') {\r\n        document.addEventListener('DOMContentLoaded', initBeforeAfter);\r\n    } else {\r\n        initBeforeAfter();\r\n    }\r\n})();\r\n<\/script><\/pre>\r\n
JavaScript\u30b3\u30fc\u30c9\u306f<\/body><\/span>\u306e\u524d\u306b\u5165\u308c\u307e\u3059\u3002<\/p>\r\n
HTML\u30b3\u30fc\u30c9<\/h3>\r\n
<div class=\"before-after-container\" data-max-width=\"300\">\r\n    <img src=\"before.jpg\" alt=\"Before\" class=\"before-image\">\r\n    <img src=\"after.jpg\" alt=\"After\" class=\"after-image\">\r\n    <div class=\"slider-handle\"><\/div>\r\n<\/div><\/pre>\r\n
\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u306e\u6a2a\u5e45\u306fdata-max-width=”300″<\/span>\u306e\u6570\u5b57\u3092\u30a4\u30b8\u308b\u3068\u8abf\u6574\u3067\u304d\u307e\u3059\u3002 \u753b\u50cf\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u306b\u5fdc\u3058\u3066\u3001\u7e26\u5e45\u306f\u81ea\u52d5\u7684\u306b\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\r\n
\u30b9\u30de\u30db\u306a\u3069\u306e\u753b\u9762\u304c\u5c0f\u3055\u3044\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3044\u3066\u3001data-max-width<\/span>\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u304c\u30c7\u30ab\u3044\u5834\u5408\u306f\u3001\u753b\u9762\u306e\u6a2a\u5e45\u306b\u5408\u308f\u305b\u3066\u81ea\u52d5\u7684\u306b\u30ea\u30b5\u30a4\u30ba\u3055\u308c\u307e\u3059\u3002<\/p>\r\n
CSS\u30b3\u30fc\u30c9<\/h3>\r\n
.before-after-container {\r\n    --border-color: #ffffff; \/* \u5883\u754c\u7dda\u306e\u8272 *\/\r\n    --slide-bg-color: #ffff00; \/* \u30b9\u30e9\u30a4\u30c9\u30c6\u30ad\u30b9\u30c8\u306e\u80cc\u666f\u8272 *\/\r\n    --slide-text-color: #000000; \/* \u30b9\u30e9\u30a4\u30c9\u30c6\u30ad\u30b9\u30c8\u306e\u6587\u5b57\u8272 *\/\r\n    --slide-text: \"\u2190Slide\u2192\"; \/* \u30b9\u30e9\u30a4\u30c9\u306e\u30c6\u30ad\u30b9\u30c8 *\/\r\n    --border-width: 4px; \/* \u5883\u754c\u7dda\u306e\u5e45 *\/\r\n    position: relative;\r\n    display: inline-block;\r\n    overflow: hidden;\r\n    width: 100%;\r\n    max-width: 100%;\r\n}\r\n\r\n.before-image, .after-image {\r\n    display: block;\r\n    width: 100%;\r\n    height: auto;\r\n}\r\n\r\n.after-image {\r\n    position: absolute;\r\n    top: 0;\r\n    left: 0;\r\n    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);\r\n}\r\n\r\n.slider-handle {\r\n    position: absolute;\r\n    top: 0;\r\n    bottom: 0;\r\n    left: 50%;\r\n    width: var(--border-width);\r\n    background: var(--border-color);\r\n    cursor: ew-resize;\r\n    z-index: 10;\r\n}\r\n\r\n.slider-handle::before {\r\n    content: '';\r\n    position: absolute;\r\n    top: 0;\r\n    bottom: 0;\r\n    left: 50%;\r\n    width: 30px; \/* \u5f53\u305f\u308a\u5224\u5b9a\u3092\u5e83\u3052\u308b\u5e45 *\/\r\n    transform: translateX(-50%);\r\n    background: transparent;\r\n    pointer-events: auto;\r\n}\r\n\r\n.slider-handle::after {\r\n    content: var(--slide-text);\r\n    position: absolute;\r\n    top: 50%;\r\n    left: 50%;\r\n    background: var(--slide-bg-color);\r\n    color: var(--slide-text-color);\r\n    transform: translate(-50%, -50%);\r\n    padding: 5px;\r\n    border-radius: 5px;\r\n    font-size: 14px;\r\n    white-space: nowrap;\r\n    opacity: 0.8;\r\n    transition: opacity 0.3s ease;\r\n    font-weight: bold;\r\n    pointer-events: auto;\r\n    animation: slideText 0.5s ease-in-out infinite;\r\n}\r\n\r\n.slider-handle.active::after {\r\n    opacity: 0;\r\n}\r\n\r\n.slider-handle.used::after {\r\n    animation: none;\r\n}\r\n\r\n@keyframes slideText {\r\n    0%, 100% { transform: translate(-50%, -50%) translateX(-2px); }\r\n    50% { transform: translate(-50%, -50%) translateX(2px); }\r\n}<\/pre>\r\n
\u5883\u754c\u7dda\u3084\u2190Slide\u2192<\/span>\u306e\u5e2f\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306f2\u884c\u76ee\u304b\u30896\u884c\u76ee\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\r\n
44\u884c\u76ee\u306ewidth: 30px;<\/span>\u306f\u300c\u5f53\u305f\u308a\u5224\u5b9a\u300d\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002
\r\n\u308f\u305a\u304b4px\u306e\u7d30\u3044\u5883\u754c\u7dda\u306e\u4e0a\u3092\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u306e\u304c\u610f\u5916\u3068\u30e0\u30ba\u3044\uff01\u3063\u3066\u3053\u3068\u3067\u3001\u5883\u754c\u7dda\u306e\u4e0a\u306b\u300c\u900f\u660e\u306e\u5f53\u305f\u308a\u5224\u5b9a\u9818\u57df<\/span><\/span>\u300d\u3092\u8a2d\u3051\u307e\u3057\u305f\u300230px\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u5f53\u305f\u308a\u5224\u5b9a\u306e\u7bc4\u56f2\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/p>\r\n
CSS\u3067\u5e2f\u306e\u6f14\u51fa\u5909\u66f4<\/h2>\r\n
\"Before\" \"After\"\r\n
<\/div>\r\n<\/div>\r\n
CSS\u3092\u5c11\u3057\u30a4\u30b8\u3063\u3066\u3001\u30b9\u30e9\u30a4\u30c0\u30fc\u306e\u898b\u305f\u76ee\u3092\u5909\u66f4\u3057\u307e\u3057\u305f\u3002
\r\n\u521d\u671f\u8868\u793a\u6642\u306f\u2190Slide\u2192<\/span>\u306e\u5e2f\u3092\u8868\u793a\u3057\u3001\u4e00\u5ea6\u64cd\u4f5c\u3057\u305f\u5f8c\u306f\u4e38\u3044\u25cf\u30de\u30fc\u30af\u306b\u5207\u308a\u66ff\u308f\u308a\u307e\u3059\u3002<\/p>\r\n
CSS\u306e.slider-handle.used::after<\/span>\u3001\u3064\u307e\u308a73\uff5e75\u884c\u76ee<\/span><\/span>\u3092\u4e0b\u8a18\u306e\u3082\u306e\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\r\n
CSS\u30b3\u30fc\u30c9\u5909\u66f4<\/h3>\r\n
.slider-handle.used::after {\r\n  animation: none;\r\n  content: \"\";\r\n  width: 15px;\r\n  height: 15px;\r\n  opacity: 1;\r\n  border-radius: 50%;\r\n  background: var(--border-color);\r\n}<\/pre>","protected":false},"excerpt":{"rendered":"2\u679a\u306e\u753b\u50cf\u3092\u5de6\u53f3\u306b\u8868\u793a\u3057\u3001\u5883\u754c\u7dda\u3092\u30c9\u30e9\u30c3\u30b0\uff08\u30b9\u30ef\u30a4\u30d7\uff09\u3059\u308b\u3053\u3068\u3067\u6bd4\u8f03\u3059\u308b\u300c\u30d3\u30d5\u30a9\u30fc\u30a2\u30d5\u30bf\u30fc\u6bd4\u8f03\u300d\u3092\u4f5c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30b3\u30d4\u30da\u3067\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff01","protected":false},"author":1,"featured_media":2670,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"acf":[],"_links":{"self":[{"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/posts\/2630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haugenic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2630"}],"version-history":[{"count":62,"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/posts\/2630\/revisions"}],"predecessor-version":[{"id":2737,"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/posts\/2630\/revisions\/2737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haugenic.com\/index.php?rest_route=\/wp\/v2\/media\/2670"}],"wp:attachment":[{"href":"https:\/\/haugenic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haugenic.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haugenic.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}