{"id":133357,"date":"2025-01-25T13:28:32","date_gmt":"2025-01-25T07:28:32","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=133357"},"modified":"2025-01-25T13:34:27","modified_gmt":"2025-01-25T07:34:27","slug":"%d1%80%d0%b0%d0%b1%d0%be%d1%82%d0%b0-%d1%81-json-%d0%b2-javascript-%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d0%b5%d0%bd%d0%b8%d0%b5-%d0%b4%d0%b0%d0%bd%d0%bd%d1%8b%d1%85-%d0%b1%d0%b5%d0%b7-%d0%bf%d0%b5","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=133357","title":{"rendered":"\u0414\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e JSON \u0438 AJAX \u0432 JavaScript"},"content":{"rendered":"

\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/span><\/strong><\/p>\n

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JSON<\/strong> (JavaScript Object Notation) \u2014 \u044d\u0442\u043e \u043b\u0435\u0433\u043a\u0438\u0439 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u044b\u0439 \u0444\u043e\u0440\u043c\u0430\u0442 \u043e\u0431\u043c\u0435\u043d\u0430 \u0434\u0430\u043d\u043d\u044b\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0448\u0438\u0440\u043e\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c. \u041e\u043d \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043d\u0430 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0435 JavaScript \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u044b\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0438 \u043c\u0430\u0441\u0441\u0438\u0432\u044b. \u0412 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0438 \u0441 AJAX, JSON \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u043c\u043e\u0449\u043d\u044b\u043c \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u043c \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0432\u0435\u0431-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432.<\/span><\/p>\n

\u041e\u0441\u043d\u043e\u0432\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u0441 JSON \u0432 JavaScript<\/span><\/strong><\/p>\n

JSON \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0440 \u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0437\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044b\u0445 \u0432 \u0444\u0438\u0433\u0443\u0440\u043d\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438\u00a0<\/span>{}<\/code><\/span>, \u043b\u0438\u0431\u043e \u043c\u0430\u0441\u0441\u0438\u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439, \u0437\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044b\u0439 \u0432 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438\u00a0<\/span>[]<\/code><\/span>. \u0412\u043e\u0442 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u043f\u0440\u043e\u0441\u0442\u044b\u0445 JSON-\u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432:<\/span><\/p>\n

\/\/ \u041f\u0440\u043e\u0441\u0442\u043e\u0439 \u043e\u0431\u044a\u0435\u043a\u0442\r\n{\r\n  \"name\": \"\u0418\u0432\u0430\u043d\",\r\n  \"age\": 30,\r\n  \"isMarried\": true\r\n}\r\n\r\n\/\/ \u041c\u0430\u0441\u0441\u0438\u0432 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432\r\n[\r\n  {\r\n    \"name\": \"\u0418\u0432\u0430\u043d\",\r\n    \"age\": 30,\r\n    \"isMarried\": true\r\n  },\r\n  {\r\n    \"name\": \"\u041c\u0430\u0440\u0438\u044f\",\r\n    \"age\": 25,\r\n    \"isMarried\": false\r\n  }\r\n]<\/code><\/pre>\n
\u0414\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 JSON \u0432 JavaScript \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u044b \u0434\u0432\u0430 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u0430:<\/span><\/p>\n
    \n
  1. \u041f\u0430\u0440\u0441\u0438\u043d\u0433 \u0441\u0442\u0440\u043e\u043a\u0438 JSON \u0432 \u043e\u0431\u044a\u0435\u043a\u0442 JavaScript:<\/strong><\/span>\n
    const<\/span> jsonString =<\/span> '{\"name\":\"\u0418\u0432\u0430\u043d\",\"age\":30,\"isMarried\":true}'<\/span>;<\/span>\r\nconst<\/span> userObject =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>jsonString)<\/span>;<\/span>\r\nconsole.<\/span>log<\/span>(<\/span>userObject.<\/span>name)<\/span>;<\/span> \/\/ \u0418\u0432\u0430\u043d<\/span>\r\nconsole.<\/span>log<\/span>(<\/span>userObject.<\/span>age)<\/span>;<\/span>  \/\/ 30<\/span>\r\nconsole.<\/span>log<\/span>(<\/span>userObject.<\/span>isMarried)<\/span>;<\/span> \/\/ true<\/span><\/code><\/pre>\n<\/li>\n
  2. \u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u0430 JavaScript \u0432 \u0441\u0442\u0440\u043e\u043a\u0443 JSON:<\/strong><\/span>\n
    const<\/span> userObject =<\/span> {<\/span> name<\/span>:<\/span> '\u0418\u0432\u0430\u043d'<\/span>,<\/span> age<\/span>:<\/span> 30<\/span>,<\/span> isMarried<\/span>:<\/span> true<\/span> }<\/span>;<\/span>\r\nconst<\/span> jsonString =<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>userObject)<\/span>;<\/span>\r\nconsole.<\/span>log<\/span>(<\/span>jsonString)<\/span>;<\/span> \/\/ {\"name\":\"\u0418\u0432\u0430\u043d\",\"age\":30,\"isMarried\":true}<\/span><\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u042d\u0442\u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043b\u0435\u0433\u043a\u043e \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u0436\u0434\u0443 JavaScript-\u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438 \u0438 \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u044b\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c JSON, \u0447\u0442\u043e \u043a\u0440\u0430\u0439\u043d\u0435 \u043f\u043e\u043b\u0435\u0437\u043d\u043e \u043f\u0440\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0438 \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c\u0438.<\/span><\/p>\n
    \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 JSON \u0438 AJAX \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b<\/span><\/p>\n
    \u0422\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443: \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0432\u0435\u0431-\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0443\u0434\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438. \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0438\u043c, \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u043c\u0430\u0433\u0430\u0437\u0438\u043d, \u0438 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u0446\u0435\u043d\u044b \u043d\u0430 \u0442\u043e\u0432\u0430\u0440\u044b.<\/span><\/p>\n
    HTML-\u043a\u043e\u0434:<\/span><\/strong><\/p>\n
    <!<\/span>DOCTYPE<\/span>\u00a0html<\/span>><\/span><\/span>\r\n<<\/span>html\u00a0lang<\/span>=<\/span>\"<\/span>ru\"<\/span><\/span>><\/span><\/span>\r\n<<\/span>head><\/span><\/span>\r\n  <<\/span>meta\u00a0charset<\/span>=<\/span>\"<\/span>UTF-8\"<\/span><\/span>><\/span><\/span>\r\n  <<\/span>title><\/span><\/span>\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b<\/<\/span>title><\/span><\/span>\r\n  <<\/span>style><\/span><\/span>\u00a0table<\/span>\u00a0{<\/span>\u00a0border-collapse<\/span>:<\/span>\u00a0collapse;<\/span>\u00a0width<\/span>:<\/span>\u00a050%;<\/span>\u00a0}<\/span>\u00a0th, td<\/span>\u00a0{<\/span>\u00a0padding<\/span>:<\/span>\u00a010px;<\/span>\u00a0text-align<\/span>:<\/span>\u00a0left;<\/span>\u00a0border-bottom<\/span>:<\/span>\u00a01px solid #ddd;<\/span>\u00a0}<\/span>\u00a0tr:nth-child(even)<\/span>\u00a0{<\/span>\u00a0background-color<\/span>:<\/span>\u00a0#f2f2f2;<\/span>\u00a0}<\/span>\u00a0<\/span><\/span><\/<\/span>style><\/span><\/span>\r\n<\/<\/span>head><\/span><\/span>\r\n<<\/span>body><\/span><\/span>\r\n  <<\/span>h1><\/span><\/span>\u0426\u0435\u043d\u044b \u043d\u0430 \u0442\u043e\u0432\u0430\u0440\u044b<\/<\/span>h1><\/span><\/span>\r\n  <<\/span>table\u00a0id<\/span>=<\/span>\"<\/span>products-table\"<\/span><\/span>><\/span><\/span>\r\n    <<\/span>thead><\/span><\/span>\r\n      <<\/span>tr><\/span><\/span>\r\n        <<\/span>th><\/span><\/span>\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u0442\u043e\u0432\u0430\u0440\u0430<\/<\/span>th><\/span><\/span>\r\n        <<\/span>th><\/span><\/span>\u0426\u0435\u043d\u0430<\/<\/span>th><\/span><\/span>\r\n      <\/<\/span>tr><\/span><\/span>\r\n    <\/<\/span>thead><\/span><\/span>\r\n    <<\/span>tbody><\/span><\/span><\/<\/span>tbody><\/span><\/span>\r\n  <\/<\/span>table><\/span><\/span>\r\n  \r\n  <<\/span>script\u00a0src<\/span>=<\/span>\"<\/span>https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"<\/span><\/span>\u00a0integrity<\/span>=<\/span>\"<\/span>sha256-\/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej\/m4=\"<\/span><\/span>\u00a0crossorigin<\/span>=<\/span>\"<\/span>anonymous\"<\/span><\/span>><\/span><\/span><\/<\/span>script><\/span><\/span>\r\n  <<\/span>script><\/span><\/span>\u00a0$<\/span>(<\/span>document)<\/span>.<\/span>ready<\/span>(<\/span>function<\/span>(<\/span>)<\/span>\u00a0{<\/span>\u00a0updatePrices<\/span>(<\/span>)<\/span>;<\/span>\u00a0setInterval<\/span>(<\/span>updatePrices,<\/span>\u00a05000<\/span>)<\/span>;<\/span>\u00a0\/\/ \u041e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c \u0446\u0435\u043d\u044b \u043a\u0430\u0436\u0434\u044b\u0435 5 \u0441\u0435\u043a\u0443\u043d\u0434<\/span>\u00a0}<\/span>)<\/span>;<\/span>\u00a0function<\/span>\u00a0updatePrices<\/span>(<\/span>)<\/span>\u00a0{<\/span>\u00a0\/\/ \u0418\u043c\u0438\u0442\u0438\u0440\u0443\u0435\u043c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 \u0441\u0435\u0440\u0432\u0435\u0440\u0430<\/span>\u00a0const<\/span>\u00a0productsData\u00a0=<\/span>\u00a0[<\/span>\u00a0{<\/span>\u00a0name<\/span>:<\/span>\u00a0'\u041f\u0440\u043e\u0434\u0443\u043a\u0442 A'<\/span>,<\/span>\u00a0price<\/span>:<\/span>\u00a0Math.<\/span>floor<\/span>(<\/span>Math.<\/span>random<\/span>(<\/span>)<\/span>\u00a0*<\/span>\u00a0100<\/span>)<\/span>\u00a0+<\/span>\u00a01<\/span>\u00a0}<\/span>,<\/span>\u00a0\/\/ \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u0430\u044f \u0446\u0435\u043d\u0430 \u043e\u0442 1 \u0434\u043e 100<\/span>\u00a0{<\/span>\u00a0name<\/span>:<\/span>\u00a0'\u041f\u0440\u043e\u0434\u0443\u043a\u0442 B'<\/span>,<\/span>\u00a0price<\/span>:<\/span>\u00a0Math.<\/span>floor<\/span>(<\/span>Math.<\/span>random<\/span>(<\/span>)<\/span>\u00a0*<\/span>\u00a0100<\/span>)<\/span>\u00a0+<\/span>\u00a0101<\/span>\u00a0}<\/span>,<\/span>\u00a0\/\/ \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u0430\u044f \u0446\u0435\u043d\u0430 \u043e\u0442 101 \u0434\u043e 200<\/span>\u00a0{<\/span>\u00a0name<\/span>:<\/span>\u00a0'\u041f\u0440\u043e\u0434\u0443\u043a\u0442 C'<\/span>,<\/span>\u00a0price<\/span>:<\/span>\u00a0Math.<\/span>floor<\/span>(<\/span>Math.<\/span>random<\/span>(<\/span>)<\/span>\u00a0*<\/span>\u00a0100<\/span>)<\/span>\u00a0+<\/span>\u00a0201<\/span>\u00a0}<\/span>\u00a0\/\/ \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u0430\u044f \u0446\u0435\u043d\u0430 \u043e\u0442 201 \u0434\u043e 300<\/span>\u00a0]<\/span>;<\/span>\u00a0$<\/span>(<\/span>'#products-table tbody'<\/span>)<\/span>.<\/span>empty<\/span>(<\/span>)<\/span>;<\/span>\u00a0\/\/ \u041e\u0447\u0438\u0449\u0430\u0435\u043c \u0442\u0435\u043a\u0443\u0449\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u043f\u0435\u0440\u0435\u0434 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043d\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445<\/span>\u00a0productsData.<\/span>forEach<\/span>(<\/span>product<\/span>\u00a0=><\/span>\u00a0{<\/span>\u00a0$<\/span>(<\/span>'#products-table tbody'<\/span>)<\/span>.<\/span>append<\/span>(<\/span>`<\/span>\u00a0<tr> <td><\/span>${<\/span>product.<\/span>name}<\/span><\/span><\/td> <td>$<\/span>${<\/span>product.<\/span>price}<\/span><\/span><\/td> <\/tr>\u00a0<\/span>`<\/span><\/span>)<\/span>;<\/span>\u00a0}<\/span>)<\/span>;<\/span>\u00a0}<\/span>\u00a0<\/span><\/span><\/<\/span>script><\/span><\/span>\r\n<\/<\/span>body><\/span><\/span>\r\n<\/<\/span>html><\/span><\/span><\/code><\/pre>\n
    \"\"<\/a><\/p>\n
    \u041f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u0435:<\/span><\/p>\n
      \n
    1. HTML:<\/strong><\/span>\n
        \n
      • \u041c\u044b \u0441\u043e\u0437\u0434\u0430\u043b\u0438 \u043f\u0440\u043e\u0441\u0442\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0441 \u0434\u0432\u0443\u043c\u044f \u043a\u043e\u043b\u043e\u043d\u043a\u0430\u043c\u0438: \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u0442\u043e\u0432\u0430\u0440\u0430 \u0438 \u0446\u0435\u043d\u0430.<\/span><\/li>\n
      • \u0422\u0430\u0431\u043b\u0438\u0446\u0430 \u0438\u043c\u0435\u0435\u0442 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u00a0#products-table<\/code>, \u0447\u0442\u043e\u0431\u044b \u043c\u044b \u043c\u043e\u0433\u043b\u0438 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u044e \u0447\u0435\u0440\u0435\u0437 JavaScript.<\/span><\/li>\n<\/ul>\n<\/li>\n
      • CSS:<\/strong><\/span>\n
          \n
        • \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0441\u0442\u0438\u043b\u0435\u0439 \u0434\u043b\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0432\u0438\u0434\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u044b.<\/span><\/li>\n<\/ul>\n<\/li>\n
        • JavaScript:<\/strong><\/span>\n
            \n
          • \u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u043b\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 jQuery \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 DOM \u0438 AJAX-\u0437\u0430\u043f\u0440\u043e\u0441\u0430\u043c\u0438.<\/span><\/li>\n
          • \u041f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u00a0updatePrices()<\/code>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0438\u043c\u0438\u0442\u0438\u0440\u0443\u0435\u0442 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0412\u043c\u0435\u0441\u0442\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u043c\u044b \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0446\u0435\u043d\u044b \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0442\u043e\u0432\u0430\u0440\u0430.<\/span><\/li>\n
          • \u0412\u043d\u0443\u0442\u0440\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438\u00a0updatePrices()<\/code>\u00a0\u043c\u044b \u043e\u0447\u0438\u0449\u0430\u0435\u043c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430\u00a0.empty()<\/code>, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u0434\u0443\u0431\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0442\u0440\u043e\u043a.<\/span><\/li>\n
          • \u0417\u0430\u0442\u0435\u043c \u043c\u044b \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u0435\u043c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430\u00a0.forEach()<\/code>\u00a0\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043a\u0430\u0436\u0434\u0443\u044e \u0441\u0442\u0440\u043e\u043a\u0443 \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430\u00a0.append()<\/code>.<\/span><\/li>\n
          • \u0421 \u043f\u043e\u043c\u043e\u0449\u044c\u044e\u00a0setInterval(updatePrices, 5000)<\/code>\u00a0\u043c\u044b \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u043a\u0430\u0436\u0434\u044b\u0435 5 \u0441\u0435\u043a\u0443\u043d\u0434.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
            \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442:<\/span><\/strong><\/p>\n
            \u041a\u043e\u0433\u0434\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u0430, \u043e\u043d\u0430 \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u044e\u00a0<\/span>updatePrices()<\/code><\/span>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438. \u041a\u0430\u0436\u0434\u044b\u0435 5 \u0441\u0435\u043a\u0443\u043d\u0434 \u044d\u0442\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441\u043d\u043e\u0432\u0430, \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u043d\u043e\u0432\u044b\u043c\u0438 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c\u0438 \u0446\u0435\u043d\u0430\u043c\u0438. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u044c, \u043a\u0430\u043a \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u044f\u043c\u043e \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 \u0431\u0435\u0437 \u0435\u0451 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438.<\/span><\/p>\n
            \u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/span><\/strong><\/p>\n
            \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 JSON \u0438 AJAX \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432\u0435\u0431-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0441 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0441\u0442\u0435\u043f\u0435\u043d\u044c\u044e \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u0442\u0437\u044b\u0432\u0447\u0438\u0432\u043e\u0441\u0442\u0438. \u0422\u0430\u043a\u043e\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0430\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u043e\u043f\u044b\u0442, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0438\u0437\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u044d\u0442\u0438\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u0442 \u0448\u0438\u0440\u043e\u043a\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0445 \u043c\u0433\u043d\u043e\u0432\u0435\u043d\u043d\u043e \u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0431\u0435\u0437 \u043f\u043e\u0442\u0435\u0440\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
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