{"id":6343,"date":"2026-05-14T11:00:15","date_gmt":"2026-05-14T07:30:15","guid":{"rendered":"https:\/\/parmin.cloud\/blog\/?p=6343"},"modified":"2026-05-14T11:00:15","modified_gmt":"2026-05-14T07:30:15","slug":"%d8%aa%d9%88%d8%b6%db%8c%d8%ad-%d9%85%d8%aa%d8%af-reduce-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa","status":"publish","type":"post","link":"https:\/\/parmin.cloud\/blog\/%d8%aa%d9%88%d8%b6%db%8c%d8%ad-%d9%85%d8%aa%d8%af-reduce-%d8%af%d8%b1-%d8%ac%d8%a7%d9%88%d8%a7%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa\/","title":{"rendered":"\u062a\u0648\u0636\u06cc\u062d \u0645\u062a\u062f Reduce \u062f\u0631 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a"},"content":{"rendered":"

\u0645\u0642\u062f\u0645\u0647<\/h3>\n

\u0645\u062a\u062f reduce<\/code> \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc\u06cc \u062f\u0631 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062f\u0631\u06a9 \u0622\u0646 \u06a9\u0645\u06cc \u0633\u062e\u062a \u0628\u0627\u0634\u062f\u060c \u0645\u062e\u0635\u0648\u0635\u0627\u064b \u0628\u0647 \u062e\u0627\u0637\u0631 \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u0645\u0628\u0647\u0645\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u0645\u0627 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc reduce<\/code> \u0628\u0633\u06cc\u0627\u0631 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0627\u0633\u062a\u060c \u0686\u0648\u0646 \u062f\u0631 \u0645\u062f\u06cc\u0631\u06cc\u062a state (\u0645\u062b\u0644 Redux) \u06a9\u0627\u0631\u0628\u0631\u062f \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u062f.<\/p>\n

\u0633\u0627\u062e\u062a\u0627\u0631 \u06a9\u0644\u06cc \u0645\u062a\u062f reduce<\/code> \u0628\u0647 \u0627\u06cc\u0646 \u0634\u06a9\u0644 \u0627\u0633\u062a:<\/p>\n

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arr<\/span>.<\/span>reduce(callback<\/span>, initialValue<\/span>);<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\u0645\u0641\u0627\u0647\u06cc\u0645 \u0645\u0647\u0645 \u062f\u0631 Reduce<\/h2>\n
\u062f\u0631 reduce<\/code> \u0628\u0627 \u062f\u0648 \u0645\u0641\u0647\u0648\u0645 \u0627\u0635\u0644\u06cc \u0631\u0648\u0628\u0647\u200c\u0631\u0648 \u0647\u0633\u062a\u06cc\u0645:<\/p>\n
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  • Accumulator (\u0627\u0646\u0628\u0627\u0634\u062a\u200c\u06a9\u0646\u0646\u062f\u0647):<\/strong> \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0628\u0647 \u0622\u0646 \u0645\u06cc\u200c\u0631\u0633\u06cc\u0645.<\/li>\n
  • Reducer (\u06a9\u0627\u0647\u0634\u200c\u062f\u0647\u0646\u062f\u0647):<\/strong> \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a \u0644\u0627\u0632\u0645 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0646\u0647\u0627\u06cc\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f.<\/li>\n<\/ul>\n
    \u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 reduce<\/code> \u0647\u0645\u06cc\u0634\u0647 \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631<\/strong> \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u061b \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0646\u0627\u0645 \u0622\u0646 Reduce \u0627\u0633\u062a.<\/p>\n
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    \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647<\/h2>\n
    \u0645\u062b\u0627\u0644 \u06a9\u0644\u0627\u0633\u06cc\u06a9 \u0632\u06cc\u0631 \u0645\u062c\u0645\u0648\u0639 \u0627\u0639\u062f\u0627\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062d\u0633\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n
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    let<\/span> value<\/span> =<\/span> 0<\/span>; \r\n\r\nconst<\/span> numbers<\/span> =<\/span> [5<\/span>, 10<\/span>, 15<\/span>];\r\n\r\nfor<\/span>(let<\/span> i<\/span> =<\/span> 0<\/span>; i<\/span> <<\/span> numbers<\/span>.<\/span>length; i<\/span>++<\/span>) {\r\n  value<\/span> +=<\/span> numbers<\/span>[i<\/span>];\r\n}<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \u062e\u0631\u0648\u062c\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a \u0628\u0627:<\/p>\n
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    <\/div>\n<\/div>\n<\/div>\n
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    30<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    \u0627\u06cc\u0646 \u0631\u0648\u0634 \u06a9\u0627\u0645\u0644\u0627\u064b \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0627 reduce<\/code> \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0628\u062f\u0648\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0646 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0635\u0644\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645.<\/p>\n
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    \u0627\u0646\u062c\u0627\u0645 \u0647\u0645\u0627\u0646 \u06a9\u0627\u0631 \u0628\u0627 Reduce<\/h2>\n
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    \/* \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 *\/<\/span>\r\nconst<\/span> initialValue<\/span> =<\/span> 0<\/span>;\r\n\r\n\/* \u0622\u0631\u0627\u06cc\u0647 \u0627\u0639\u062f\u0627\u062f *\/<\/span>\r\nconst<\/span> numbers<\/span> =<\/span> [5<\/span>, 10<\/span>, 15<\/span>];\r\n\r\n\/* \u062a\u0627\u0628\u0639 reducer *\/<\/span>\r\nconst<\/span> reducer<\/span> =<\/span> (accumulator<\/span>, item<\/span>) => {\r\n  return<\/span> accumulator<\/span> +<\/span> item<\/span>;\r\n};\r\n\r\n\/* \u0627\u062c\u0631\u0627\u06cc reduce *\/<\/span>\r\nconst<\/span> total<\/span> =<\/span> numbers<\/span>.<\/span>reduce(reducer<\/span>, initialValue<\/span>);<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    Reduce \u067e\u0634\u062a \u0635\u062d\u0646\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u061f<\/h2>\n
    \u0627\u06af\u0631 \u062f\u0627\u062e\u0644 \u062a\u0627\u0628\u0639 reducer \u0645\u0642\u062f\u0627\u0631\u0647\u0627 \u0631\u0627 \u0686\u0627\u067e \u06a9\u0646\u06cc\u0645:<\/p>\n
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    const<\/span> reducer<\/span> =<\/span> (accumulator<\/span>, item<\/span>) => {\r\n  console<\/span>.<\/span>log(accumulator<\/span>, item<\/span>);\r\n  return<\/span> accumulator<\/span> +<\/span> item<\/span>;\r\n};<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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    <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \u0627\u062a\u0641\u0627\u0642\u0627\u062a \u0632\u06cc\u0631 \u0631\u062e \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n
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    1. \u062a\u0627\u0628\u0639 \u06f3 \u0628\u0627\u0631 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f \u0686\u0648\u0646 \u0622\u0631\u0627\u06cc\u0647 \u06f3 \u0639\u0636\u0648 \u062f\u0627\u0631\u062f.<\/li>\n
    2. \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 accumulator \u0628\u0631\u0627\u0628\u0631 0<\/code> \u0627\u0633\u062a.<\/li>\n
    3. \u062f\u0631 \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u0645\u0642\u062f\u0627\u0631 item<\/code> \u0628\u0647 accumulator \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n
    4. \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0622\u062e\u0631:\n