{"id":129862,"date":"2024-03-25T12:27:27","date_gmt":"2024-03-25T03:27:27","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/localstorage%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-04T17:48:24","modified_gmt":"2024-04-04T08:48:24","slug":"localstorage%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/localstorage%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"LocalStorage\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"

\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n

    \n
  1. localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3059\u308b\uff1alocalStorage.setItem(key, value)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001localStorage.setItem(‘username’, ‘John’)\u306f\u3001\u30ad\u30fc\u304c’username’\u3001\u5024\u304c’John’\u306e\u9805\u76ee\u3092localStorage\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n
  2. \u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5c5e\u6027\u53d6\u5f97:\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5c5e\u6027\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001localStorage.getItem(key) \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001let username = localStorage.getItem(‘username’) \u3067\u306f\u3001\u30ad\u30fc\u304c’username’\u306e\u5c5e\u6027\u306e\u5024\u304c\u5909\u6570 username \u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/li>\n
  3. LocalStorage\u306e\u5c5e\u6027\u3092\u66f4\u65b0\u3059\u308b\u306b\u306f\u3001localStorage.setItem(key, value)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001localStorage.setItem(‘username’, ‘Jane’)\u3068\u3059\u308b\u3068\u3001\u30ad\u30fc\u304c’username’\u306e\u5c5e\u6027\u5024\u306f’Jane’\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/li>\n
  4. \u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u9805\u76ee\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u524a\u9664\u3057\u307e\u3059\uff1alocalStorage.removeItem(key)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u524a\u9664\u3067\u304d\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001localStorage.removeItem(‘username’)\u306f’username’\u30ad\u30fc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

    Local Strage\u306b\u4fdd\u5b58\u3055\u308c\u308b\u5024\u306f\u3059\u3079\u3066\u6587\u5b57\u5217\u578b\u3067\u3042\u308b\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u5024\u3092\u4fdd\u5b58\u3059\u308b\u5834\u5408\u306f\u3001JSON.stringify() \u304a\u3088\u3073 JSON.parse() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30b7\u30ea\u30a2\u30eb\u5316\u3068\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

    \u307e\u305f\u3001localStorage \u306f\u540c\u4e00\u751f\u6210\u5143\u30dd\u30ea\u30b7\u30fc\u4e0b\u3067\u5171\u6709\u3055\u308c\u3001\u540c\u4e00\u30c9\u30e1\u30a4\u30f3\u5185\u306e\u3042\u3089\u3086\u308b\u30da\u30fc\u30b8\u304c\u540c\u4e00\u306e localStorage \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002 localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3059\u308b\uff1alocalStorage.setItem(key, value)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3067\u304d […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-129862","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nLocalStorage\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/localstorage\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LocalStorage\u306e\u4f7f\u3044\u65b9\" \/>\n<meta property=\"og:description\" content=\"\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002 localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3059\u308b\uff1alocalStorage.setItem(key, value)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066localStorage\u306e\u9805\u76ee\u3092\u8a2d\u5b9a\u3067\u304d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/localstorage\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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