{"id":685,"date":"2017-04-21T19:27:01","date_gmt":"2017-04-21T10:27:01","guid":{"rendered":"https:\/\/clouds.tokyo\/blog\/?p=685"},"modified":"2017-04-21T19:35:42","modified_gmt":"2017-04-21T10:35:42","slug":"html5_ls","status":"publish","type":"post","link":"https:\/\/clouds.tokyo\/blog\/html5_ls\/","title":{"rendered":"\u3010HTML5\u3011localStorage\u3092\u4f7f\u3063\u3066\u30ed\u30fc\u30ab\u30ebPC\u306b\u9023\u60f3\u914d\u5217DB\u3092\u69cb\u7bc9\u3059\u308b"},"content":{"rendered":"<p>HTML5\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305flocalStorage\u306f<br \/>\n\u305d\u306e\u540d\u306e\u901a\u308a\u3001\u30ed\u30fc\u30ab\u30ebPC\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3082\u30bb\u30c3\u30b7\u30e7\u30f3\u3084cookie\u306e\u3088\u3046\u306b\u671f\u9650\u3082\u306a\u3044\u306e\u3067<br \/>\n\u3053\u308c\u307e\u3067WEB\u30a2\u30d7\u30ea\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3059\u308b\u3057\u304b\u306a\u304b\u3063\u305f\u30c7\u30fc\u30bf\u3092\u3001<br \/>\n\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u308f\u305a\u306b\u30ed\u30fc\u30ab\u30eb\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306flocalStorage\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d<\/p>\n<pre>\r\nfunction check_ls() {\r\n  return localStorage ? true : false;\r\n}\r\n<\/pre>\n<p>\u6b21\u306b\u5024\u306e\u683c\u7d0d\u30fb\u53d6\u5f97\u3067\u3059\u304c\u3001\u3044\u308d\u3093\u306a\u4f7f\u3044\u65b9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u79c1\u304c\u4f7f\u3046\u306e\u306f\u3082\u3063\u3071\u3089\u9023\u60f3\u914d\u5217\u3067\u3059\u3002<\/p>\n<p>\u9023\u60f3\u914d\u5217\u306e\u30bb\u30c3\u30c8 (val\u304c\u9023\u60f3\u914d\u5217)<\/p>\n<pre>\r\nfunction set_ls(key, val) {\r\n  localStorage.setItem(key, JSON.stringify(val));\r\n}\r\n<\/pre>\n<p>\u9023\u60f3\u914d\u5217\u306e\u53d6\u5f97<\/p>\n<pre>\r\nfunction get_ls(key) {\r\n  return JSON.parse(localStorage.getItem(key));\r\n}\r\n<\/pre>\n<p>\u3053\u308c\u3060\u3051\u3067\u9023\u60f3\u914d\u5217\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u3044\u308d\u3093\u306a\u4f7f\u3044\u304b\u305f\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u30b9\u30de\u30db\u306e\u30a2\u30d7\u30ea\u3067WEB\u30d3\u30e5\u30fc\u3092\u4f7f\u3063\u3066\u30a2\u30d7\u30ea\u306e\u30c7\u30fc\u30bf\u4fdd\u5b58\u306b\u4f7f\u3046\u306e\u3082\u9762\u767d\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u3001\u30ed\u30fc\u30ab\u30eb\u306a\u306e\u3067\u4ed6\u306e\u7aef\u672b\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u30c7\u30fc\u30bf\u304c\u53d6\u5f97\u3067\u304d\u306a\u3044\u3068\u3044\u3046<br \/>\nWEB\u30a2\u30d7\u30ea\u3068\u3057\u3066\u306f\u3042\u308a\u5f97\u306a\u304b\u3063\u305f\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u30ed\u30fc\u30ab\u30eb\u3068\u30b5\u30fc\u30d0\u30fc\u3067\u4e21\u65b9DB\u3092\u6301\u3061\u3001\u304a\u4e92\u3044\u306b\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3055\u305b\u308b\u306a\u3069\u5de5\u592b\u3082\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML5\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305flocalStorage\u306f \u305d\u306e\u540d\u306e\u901a\u308a\u3001\u30ed\u30fc\u30ab\u30ebPC\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3057\u304b\u3082\u30bb\u30c3\u30b7\u30e7\u30f3\u3084cookie\u306e\u3088\u3046\u306b\u671f\u9650\u3082\u306a\u3044\u306e\u3067 \u3053\u308c\u307e\u3067WEB\u30a2\u30d7\u30ea\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3059\u308b &hellip; 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