{"id":39417,"date":"2024-05-15T12:24:33","date_gmt":"2024-05-15T07:54:33","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=39417"},"modified":"2026-04-06T15:49:44","modified_gmt":"2026-04-06T12:19:44","slug":"filter-in-javascript","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/filter-in-javascript\/","title":{"rendered":"\u0641\u06cc\u0644\u062a\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a: \u0628\u06cc\u0627\u0646 \u0633\u0627\u062f\u0647 + \u0645\u062b\u0627\u0644 \u0639\u0645\u0644\u06cc"},"content":{"rendered":"\n

\u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0645\u0647\u0627\u0631\u062a\u06cc \u062d\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u060c \u0627\u063a\u0644\u0628 \u0627\u0648\u0642\u0627\u062a \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u062a\u0627 \u0632\u06cc\u0631\u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0634\u0631\u0627\u06cc\u0637 \u062e\u0627\u0635 \u0627\u0633\u062a\u062e\u0631\u0627\u062c\u200c\u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u0633\u062a \u06a9\u0647 \u0641\u06cc\u0644\u062a\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0648\u0627\u0631\u062f \u0639\u0645\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. Filter \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0628\u0632\u0627\u0631\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u063a\u0631\u0628\u0627\u0644\u06af\u0631\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0648 \u0627\u06cc\u062c\u0627\u062f \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u062c\u062f\u06cc\u062f \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0639\u06cc\u0627\u0631\u0647\u0627\u06cc \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0645\u06a9\u062a\u0648\u0628 \u0628\u0647 \u0622\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a.<\/p>\n\n\n\n

\u0641\u06cc\u0644\u062a\u0631 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0686\u06cc\u0633\u062a\u061f<\/h2>\n\n\n\n

\u0641\u06cc\u0644\u062a\u0631 \u062f\u0631 \u0627\u0635\u0644 \u0645\u062a\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0639\u0646\u0627\u0635\u0631 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06cc\u06a9 \u062a\u0627\u0628\u0639 callback \u0627\u0633\u062a\u062e\u0631\u0627\u062c\u200c\u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 true \u06cc\u0627 false \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06af\u0631 \u062a\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0639\u0646\u0635\u0631 true \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0622\u0646 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u0639\u0646\u0635\u0631 \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n

\u0645\u062a\u062f Filter \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h3>\n\n\n\n

\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u062a\u062f \u062f\u0627\u062e\u0644\u06cc \u0628\u0647 \u0646\u0627\u0645 Filter \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0645\u062a\u062f \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f:<\/p>\n\n\n

\r\n
\r\n
\r\n
\r\n \r\n \r\n <\/svg>\r\n <\/div>\r\n \r\n \r\n \r\n \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a <\/a>\r\n <\/div>\r\n\r\n \r\n \r\n
    \n
  • \u0622\u0631\u0627\u06cc\u0647:<\/strong> \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n
  • \u062a\u0627\u0628\u0639 <\/strong>callback<\/strong>:<\/strong> \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 true \u06cc\u0627 false \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n

    \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645:<\/p>\n\n\n\n

    const<\/span> numbers =<\/span> [<\/span>\u06f1<\/span>,<\/span> \u06f2<\/span>,<\/span> \u06f3<\/span>,<\/span> \u06f4<\/span>,<\/span> \u06f5<\/span>]<\/span>;<\/span>\n\nconst<\/span> evenNumbers =<\/span> numbers.<\/span>filter<\/span>(<\/span>function<\/span>(<\/span>number<\/span>)<\/span> {<\/span>\n  return<\/span> number %<\/span> \u06f2<\/span> ===<\/span> \u06f0<\/span>;<\/span>\n}<\/span>)<\/span>;<\/span>\n\nconsole.<\/span>log<\/span>(<\/span>evenNumbers)<\/span>;<\/span> \/\/ [\u06f2, \u06f4]<\/span><\/code><\/pre>\n\n\n\n
    \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u062a\u0627\u0628\u0639 callback \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0639\u062f\u062f \u0628\u0631 \u06f2 \u0628\u062e\u0634\u200c\u067e\u0630\u06cc\u0631 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 (even number). \u0627\u06af\u0631 \u0686\u0646\u06cc\u0646 \u0628\u0627\u0634\u062f\u060c \u062a\u0627\u0628\u0639 true \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f \u0648 \u0639\u062f\u062f \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0641\u06cc\u0644\u062a\u0631 \u0634\u062f\u0647 evenNumbers \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n
    \u062f\u0631\u06a9 \u062a\u0627\u0628\u0639 callback \u062f\u0631 \u0641\u06cc\u0644\u062a\u0631<\/h3>\n\n\n\n
    \u062a\u0627\u0628\u0639 callback \u0642\u0644\u0628 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0645\u0646\u0637\u0642 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0627\u0635 \u062e\u0648\u062f \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f. \u062a\u0627\u0628\u0639 callback \u06cc\u06a9 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0639\u0646\u0635\u0631 \u062c\u0627\u0631\u06cc \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a \u0648 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 true \u06cc\u0627 false \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n
    \u0646\u06a9\u0627\u062a\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0627\u0628\u0639 <\/strong>callback<\/strong>:<\/strong><\/p>\n\n\n\n
      \n
    • \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0647\u0631 \u062a\u0639\u062f\u0627\u062f \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0627\u0636\u0627\u0641\u06cc \u0631\u0627 \u0628\u067e\u0630\u06cc\u0631\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0633\u0627\u06cc\u0631 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u06cc\u0627 \u0634\u0627\u062e\u0635 \u0641\u0639\u0644\u06cc \u0639\u0646\u0635\u0631.<\/li>\n\n\n\n
    • \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 arrow function \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06cc\u06a9 \u062a\u0627\u0628\u0639 callback \u0645\u062e\u062a\u0635\u0631\u062a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n\n\n