{"id":29158,"date":"2022-03-02T17:40:39","date_gmt":"2022-03-02T14:10:39","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=29158"},"modified":"2026-04-06T18:14:29","modified_gmt":"2026-04-06T14:44:29","slug":"foreach-method-in-javascript","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/foreach-method-in-javascript\/","title":{"rendered":"\u0622\u0634\u0646\u0627\u06cc\u06cc \u0648 \u0622\u0645\u0648\u0632\u0634 \u06a9\u0627\u0631 \u0628\u0627 forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a"},"content":{"rendered":"\n

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

\u0645\u0642\u062f\u0645\u0647\u200c\u0627\u06cc \u0628\u0631 \u0645\u062a\u062f forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<\/h2>\n\n\n\n

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

\u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646\u200c\u0645\u062b\u0627\u0644\u060c \u06a9\u062f \u0632\u06cc\u0631 \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 \u06a9\u0646\u0633\u0648\u0644 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n\n\n\n

let ranks = ['A', 'B', 'C'];\nfor (let i = 0; i < ranks.length; i++) {\nconsole.log(ranks[i]);\n}<\/pre>\n\n\n\n
\"foreach
<\/figcaption><\/figure>\n\n\n\n
\u0622\u0631\u0627\u06cc\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u062a\u062f forEach() \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n
\u06a9\u062f \u0632\u06cc\u0631 \u0627\u0632 \u0645\u062a\u062f forEach () \u06a9\u0647 \u0645\u0639\u0627\u062f\u0644 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n
let ranks = ['A', 'B', 'C'];\nranks.forEach(function (e) {\n    console.log(e);\n});\n<\/pre>\n\n\n\n
\u062e\u0631\u0648\u062c\u06cc \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n\n\n\n
\"foreach
<\/figcaption><\/figure>\n\n\n\n
\u0645\u062a\u062f forEach() \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0648\u06cc \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641\u200c\u0634\u062f\u0647 \u0631\u0627 \u06cc\u06a9\u200c\u0628\u0627\u0631 \u062f\u0631 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n
\u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0646\u062d\u0648 \u0645\u062a\u062f forEach() \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n
Array.forEach(callback [, thisArg]);<\/pre>\n\n\n\n
\u06f1) callback<\/h3>\n\n\n\n
\u062a\u0627\u0628\u0639 callback \u06a9\u0647 \u0645\u062a\u062f forEach()  \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n
callback \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f:<\/p>\n\n\n\n
    \n
  • CurrentElement: \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0641\u0639\u0644\u06cc \u062f\u0631 \u062d\u0627\u0644 \u067e\u0631\u062f\u0627\u0632\u0634 \u0627\u0633\u062a.<\/li>\n\n\n\n
  • index: \u0634\u0627\u062e\u0635 \u062c\u0631\u06cc\u0627\u0646 \u0639\u0646\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647.<\/li>\n\n\n\n
  • array: \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u06a9\u0647 \u0645\u062a\u062f forEach() \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n
    \u0627\u06cc\u0646\u062f\u06a9\u0633 \u0648 \u0622\u0631\u0627\u06cc\u0647 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n
    \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u062f\u0631 \u0645\u062a\u062f forEach()<\/h3>\n\n\n\n
    \u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0627\u0634\u0627\u0631\u0647\u200c\u0627\u06cc \u0628\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u062f\u0631 \u0645\u062a\u062f forEach() \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a.<\/p>\n\n\n\n
    index<\/h4>\n\n\n\n
    \u062e\u0648\u0628 \u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u0645. \u0627\u0648\u0644\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 “\u0634\u0627\u062e\u0635” \u0627\u0633\u062a \u06a9\u0647 \u0646\u0634\u0627\u0646\u200c\u062f\u0647\u0646\u062f\u0647 \u0634\u0645\u0627\u0631\u0647 \u0634\u0627\u062e\u0635 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0627\u0633\u062a.<\/p>\n\n\n\n
    \u0627\u0633\u0627\u0633\u0627\u064b\u060c \u0627\u06af\u0631 \u0622\u0646 \u0631\u0627 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062f\u0648\u0645 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0634\u0645\u0627\u0631\u0647 \u0634\u0627\u062e\u0635 \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u0645. \u0634\u06cc\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a.<\/p>\n\n\n\n
    numbers.forEach((number, index) => {\n    console.log('Index: ' + index + ' Value: ' + number);\n});\n<\/pre>\n\n\n\n
    array<\/h4>\n\n\n\n
    \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0648\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u06af\u0641\u062a\u06cc\u0645 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0627\u0633\u062a \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0644\u0632\u0648\u0645 \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0642\u0627\u0628\u0644\u200c\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a\u060c \u0627\u06af\u0631 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c  \u0641\u0642\u0637 \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f. \u0634\u06cc\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0622\u0646 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a.<\/p>\n\n\n\n
    numbers.forEach((number, index, array) => {\n    console.log(array);\n});\n<\/pre>\n\n\n\n
    \u06f2) thisArg<\/h3>\n\n\n\n
    thisArg \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0627\u062c\u0631\u0627\u06cc callback \u0628\u0627\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u062a\u062f forEach () \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0642\u062f\u0627\u0631 \u062a\u0639\u0631\u06cc\u0641\u200c\u0646\u0634\u062f\u0647 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u062f\u0631\u0648\u0627\u0642\u0639 \u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u0627\u0646\u0646\u062f \u0633\u0627\u06cc\u0631 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631\u06cc \u0642\u0627\u0628\u0644 \u0632\u0646\u062c\u06cc\u0631\u0647 \u0646\u06cc\u0633\u062a: filter()\u060c map()\u060c some()\u060c every() \u0648 sort().<\/p>\n\n\n\n
    \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u0645\u062a\u062f forEach() \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u062d\u0644\u0642\u0647 for \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 break \u06cc\u0627 continue \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062d\u0644\u0642\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u062e\u0627\u062a\u0645\u0647 \u062f\u0627\u062f\u0646 \u0628\u0647 \u062d\u0644\u0642\u0647 \u062f\u0631 \u0645\u062a\u062f forEach() \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0627\u0633\u062a\u062b\u0646\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u062a\u0627\u0628\u0639 callback \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n
    \u062a\u0641\u0627\u0648\u062a \u0628\u06cc\u0646 \u0631\u0648\u0634 map \u0648 forEach<\/h3>\n\n\n\n
    \u062a\u0641\u0627\u0648\u062a \u0627\u0635\u0644\u06cc \u0628\u06cc\u0646 map \u0648 forEach \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0645\u062a\u062f map \u0628\u0627 \u0627\u0639\u0645\u0627\u0644 \u062a\u0627\u0628\u0639 callback \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647\u060c \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u062f\u0631\u062d\u0627\u0644\u06cc\u200c\u06a9\u0647 \u0645\u062a\u062f forEach \u0686\u06cc\u0632\u06cc \u0628\u0631\u0646\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n
    \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u062a\u062f forEach \u0628\u0631\u0627\u06cc \u062c\u0647\u0634 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0646\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0648\u0627\u0642\u0639\u0627\u064b \u0631\u0627\u0647\u06cc \u0646\u06cc\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f. \u062f\u0631 \u0639\u0648\u0636\u060c \u0628\u0631\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc \u0628\u0627 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0627\u0631\u06cc\u062f\u060c \u0639\u0627\u0644\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n
    \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631\u060c \u0627\u0632 \u0631\u0648\u0634 map \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0622\u0646 \u0631\u0627 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0639\u062f\u0627\u062f\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a map \u0631\u0627 \u06cc\u06a9\u06cc \u067e\u0633 \u0627\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n
    \u0645\u062a\u062f forEach \u0686\u06cc\u0632\u06cc \u0631\u0627 \u0628\u0631\u0646\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0647\u06cc\u0686 \u0631\u0648\u0634 \u062f\u06cc\u06af\u0631\u06cc \u0632\u0646\u062c\u06cc\u0631 \u06a9\u0646\u06cc\u062f. \u062f\u0631\u0648\u0627\u0642\u0639  \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u0646\u06cc\u0633\u062a.<\/p>\n\n\n\n
    \"\u062a\u0641\u0627\u0648\u062a
    <\/figcaption><\/figure>\n\n\n\n
    \u0627\u0632 \u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0628\u0627\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0645\u060c map \u06cc\u0627 forEach\u061f<\/h4>\n\n\n\n
    \u0627\u06a9\u0646\u0648\u0646\u060c \u0633\u0624\u0627\u0644 \u0627\u0635\u0644\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0627\u06cc\u062f \u062a\u0635\u0645\u06cc\u0645 \u0628\u06af\u06cc\u0631\u06cc\u0645 \u06a9\u0647 \u0627\u0632 \u0631\u0648\u0634 map \u06cc\u0627 forEach \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f \u0627\u06af\u0631 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u0639\u0646\u0627\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0639\u0645\u0627\u0644 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0631\u0648\u0634 map \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0632\u06cc\u0631\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062c\u062f\u06cc\u062f \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0628\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a\u200c\u0646\u062e\u0648\u0631\u062f\u0647 \u0628\u0627\u0642\u06cc \u0645\u06cc\u200c\u0645\u0627\u0646\u062f. \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631\u060c \u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f \u0648 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631\u06af\u0634\u062a\u06cc \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u062f\u060c \u0627\u0632 \u0645\u062a\u062f forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n
    \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u0645\u062a\u062f forEach().<\/h3>\n\n\n\n
    \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u0645\u062a\u062f forEach () \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0627\u0632 \u06cc\u06a9 contextObject \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n
    \u0642\u0637\u0639\u0647 \u06a9\u062f \u0632\u06cc\u0631 \u062a\u0627\u0628\u0639 \u0633\u0627\u0632\u0646\u062f\u0647 \u0634\u0645\u0627\u0631\u0646\u062f\u0647 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n\n\n\n
    function Counter() {\n    this.count = 0;\n    let self = this;\n    return {\n        increase: function () {\n            self.count++;\n        },\n        current: function () {\n            return self.count;\n        },\n        reset: function () {\n            self.count = 0;\n        }\n    }\n}\n<\/pre>\n\n\n\n
    \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0646\u062d\u0648\u0647 \u0627\u0631\u0633\u0627\u0644 \u0634\u06cc \u0634\u0645\u0627\u0631\u0646\u062f\u0647 \u0628\u0647 \u0645\u062a\u062f forEach() \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n
    var counter = new Counter();\nvar numbers = [1, 2, 3];\nvar sum = 0;\nnumbers.forEach(function (e) {\n    sum += e;\n    this.increase();\n}, counter);\nconsole.log(sum); \/\/ 6\nconsole.log(counter.current()); \/\/ 3\n<\/pre>\n\n\n\n
    \u062e\u0631\u0648\u062c\u06cc \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n\n\n\n
    \"foreach
    <\/figcaption><\/figure>\n\n\n\n
    \u0627\u06cc\u0646 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n
      \n
    • \u0627\u0628\u062a\u062f\u0627 \u06cc\u06a9 \u0634\u06cc Counter \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f<\/li>\n\n\n\n
    • \u0633\u067e\u0633 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0632 \u0633\u0647 \u0639\u062f\u062f \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f<\/li>\n\n\n\n
    • \u0633\u067e\u0633 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0645\u062c\u0645\u0648\u0639 \u0631\u0627 \u0627\u0639\u0644\u0627\u0645 \u06a9\u0631\u062f\u0647 \u0648 \u0645\u0642\u062f\u0627\u0631 \u0635\u0641\u0631 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc\u200c\u062f\u0647\u062f<\/li>\n\n\n\n
    • \u067e\u0633\u200c\u0627\u0632\u0622\u0646\u060c \u0645\u062a\u062f forEach() \u0631\u0627 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0639\u062f\u0627\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u062a\u0627\u0628\u0639 callback\u060c \u0639\u0646\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0645\u062a\u063a\u06cc\u0631 sum \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u062a\u062f increase() \u0634\u0645\u0627\u0631\u0646\u062f\u0647 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0634\u06cc \u0634\u0645\u0627\u0631\u0646\u062f\u0647 \u062f\u0631 \u062a\u0627\u0628\u0639 callback \u0628\u0647 \u0627\u06cc\u0646 \u0639\u0646\u0648\u0627\u0646 \u06af\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n
    • \u062f\u0631\u0646\u0647\u0627\u06cc\u062a\u060c \u0645\u0642\u062f\u0627\u0631 \u0645\u062c\u0645\u0648\u0639 \u0648 \u0645\u0642\u062f\u0627\u0631 \u0641\u0639\u0644\u06cc \u0634\u0645\u0627\u0631\u0646\u062f\u0647 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u0648\u0628 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n
      \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0634\u062f\u0647:<\/h3>\n\n\n\n
      \u0645\u0631\u0648\u0631\u06af\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0645\u062a\u062f JavaScript Array forEach () \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u062f\u0631 \u0632\u06cc\u0631 \u0641\u0647\u0631\u0633\u062a \u0634\u062f\u0647\u200c\u0627\u0646\u062f:<\/p>\n\n\n\n
        \n
      • Google Chrome 1 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631<\/li>\n\n\n\n
      • edge 12 \u0628\u0647 \u0628\u0627\u0644\u0627<\/li>\n\n\n\n
      • \u0641\u0627\u06cc\u0631\u0641\u0627\u06a9\u0633 \u06f1.\u06f5 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631<\/li>\n\n\n\n
      • \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0627\u06a9\u0633\u067e\u0644\u0648\u0631\u0631 \u06f9 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631<\/li>\n\n\n\n
      • Opera 9.5 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631<\/li>\n\n\n\n
      • \u0633\u0627\u0641\u0627\u0631\u06cc \u06f3 \u0648 \u0628\u0627\u0644\u0627\u062a\u0631<\/li>\n<\/ul>\n\n\n\n
        \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/h2>\n\n\n\n
        \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f JavaScript Array forEach () \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0628\u0631 \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u0645.<\/p>\n\n\n\n
        \u0645\u062a\u062f \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a forEach \u06cc\u06a9\u06cc \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0631\u0627\u0647\u200c\u062d\u0644 \u0645\u0648\u062c\u0648\u062f \u0628\u0631\u0627\u06cc \u062d\u0644\u0642\u0647 \u0632\u062f\u0646 \u062f\u0631 \u0645\u06cc\u0627\u0646 \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0627\u0633\u062a. \u0647\u0631 \u0631\u0648\u0634 \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0627\u0633\u062a \u0648 \u0627\u06cc\u0646 \u0634\u0645\u0627 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0633\u062a\u0647 \u0628\u0647 \u06a9\u0627\u0631\u06cc \u06a9\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u062f\u0647\u06cc\u062f\u060c \u062a\u0635\u0645\u06cc\u0645 \u0645\u06cc\u200c\u06af\u06cc\u0631\u06cc\u062f \u0627\u0632 \u06a9\u062f\u0627\u0645 \u06cc\u06a9 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u0645 \u06a9\u0647 \u0645\u0642\u0627\u0644\u0647 \u0622\u0645\u0648\u0632\u0634\u06cc \u0645\u0627 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0645\u062a\u062f forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0648\u0631\u062f \u062a\u0648\u062c\u0647 \u0634\u0645\u0627 \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0631 \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0645\u0648\u062e\u062a. \u062a\u0627 \u0622\u062e\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0645\u0627 \u0631\u0627 \u0647\u0645\u0631\u0627\u0647\u06cc \u06a9\u0646\u06cc\u062f. \u0645\u0642\u062f\u0645\u0647\u200c\u0627\u06cc \u0628\u0631 \u0645\u062a\u062f forEach \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0647\u200c\u0637\u0648\u0631\u0645\u0639\u0645\u0648\u0644\u060c \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0631\u0648\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f\u060c […]<\/p>\n","protected":false},"author":28,"featured_media":29164,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,12],"tags":[],"class_list":["post-29158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-and-it-training","category-java-script-articles"],"_links":{"self":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/29158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/comments?post=29158"}],"version-history":[{"count":2,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/29158\/revisions"}],"predecessor-version":[{"id":66234,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/29158\/revisions\/66234"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/29164"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=29158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=29158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=29158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}