{"id":16486,"date":"2024-12-04T21:50:15","date_gmt":"2024-12-04T18:20:15","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=16486"},"modified":"2024-12-04T21:50:15","modified_gmt":"2024-12-04T18:20:15","slug":"es5-vs-es6-in-javascript-14-big-changes","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/tutorials\/es5-vs-es6-in-javascript-14-big-changes\/","title":{"rendered":"14 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0632\u0631\u06af \u0628\u06cc\u0646 Es5 \u0648 Es6 \u062f\u0631 JavaScript"},"content":{"rendered":"

\u0645\u0642\u062f\u0645\u0647<\/h2>\n

ES5 \u0648 ES6 \u0628\u0647 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ECMAScript \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0645\u0634\u062e\u0635\u0627\u062a \u0632\u0628\u0627\u0646 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u200c\u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a \u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u06cc\u0647\u200c\u0627\u06cc \u0628\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0627\u0632 \u062c\u0645\u0644\u0647 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062a\u062d\u0648\u0644 \u0627\u0632 ES5 \u0628\u0647 ES6 (\u06a9\u0647 \u0628\u0647 \u0646\u0627\u0645 ECMAScript 2015 \u0646\u06cc\u0632 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f) \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0648 \u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u062f\u0627\u0634\u062a. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0642\u0627\u06cc\u0633\u0647\u200c\u0627\u06cc \u0628\u06cc\u0646 \u0627\u06cc\u0646 \u062f\u0648 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n

let .1 \u0648 const (\u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627)<\/h2>\n

ES5:<\/strong> \u0631\u0648\u0634 \u0627\u0635\u0644\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 var<\/code> \u0628\u0648\u062f.
\nES6:<\/strong> \u0645\u0639\u0631\u0641\u06cc let<\/code> \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0628\u0644\u0648\u06a9\u200c\u0645\u062d\u0648\u0631 \u0648 const<\/code> \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u062b\u0627\u0628\u062a \u0628\u0644\u0648\u06a9\u200c\u0645\u062d\u0648\u0631.<\/p>\n

2. \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0627\u06cc (Template Literals)<\/h2>\n

ES5:<\/strong> \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 +<\/code> \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc\u200c\u0634\u062f\u0646\u062f.<\/p>\n

\n
var name = \"John\";\r\nvar greeting = \"Hello, \" + name + \"!\";<\/code><\/pre>\n<\/div>\n
ES6:<\/strong> \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0646\u062f.<\/p>\n
\n
 let name = \"John\";\r\nlet greeting = `Hello, ${name}!`;<\/code><\/pre>\n<\/div>\n
Arrow Functions .3<\/h2>\n
ES5<\/strong>:<\/p>\n
\n
 function(x) {\r\nreturn x * x;\r\n}<\/code><\/pre>\n<\/div>\n
ES6:<\/strong> \u062a\u0648\u0627\u0628\u0639 \u067e\u06cc\u06a9\u0627\u0646\u06cc \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0646\u062f \u06a9\u0647 \u0646\u06af\u0627\u0631\u0634 \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u062a\u0648\u0627\u0628\u0639 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/p>\n
\n
 x => x * x;\r\n<\/code><\/pre>\n<\/div>\n
4. \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 (Classes)<\/h2>\n
ES5:<\/strong> \u0627\u0632 \u0627\u0631\u062b\u200c\u0628\u0631\u06cc \u067e\u0631\u0648\u062a\u0648\u062a\u0627\u06cc\u067e\u06cc \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0631\u0641\u062a\u0627\u0631 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u062f.
\nES6:<\/strong> \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc class<\/code> \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0634\u06cc\u0621\u06af\u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f.<\/p>\n
5. \u0628\u0647\u0628\u0648\u062f \u062f\u0631 \u0646\u06af\u0627\u0631\u0634 \u0627\u0634\u06cc\u0627\u0621 (Enhanced Object Literals)<\/h2>\n
ES5:<\/strong> \u0627\u0634\u06cc\u0627\u0621 \u0628\u0627 \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f-\u0645\u0642\u062f\u0627\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u062f\u0646\u062f.
\nES6:<\/strong> \u0646\u06af\u0627\u0631\u0634 \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0627\u0634\u06cc\u0627\u0621 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n
\n
 let name = \"John\";\r\nlet obj = {name}; \/\/ Equivalent to {name: name}<\/code><\/pre>\n<\/div>\n
6. \u062a\u062c\u0632\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc (Destructuring)<\/h2>\n
ES5:<\/strong> \u0631\u0648\u0634 \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a.
\nES6:<\/strong> \u0627\u0645\u06a9\u0627\u0646 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0686\u0646\u062f\u06cc\u0646 \u062e\u0627\u0635\u06cc\u062a \u0627\u0632 \u06cc\u06a9 \u0634\u06cc\u0621 \u06cc\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062e\u062a\u0635\u0631\u062a\u0631 \u0641\u0631\u0627\u0647\u0645 \u0634\u062f.<\/p>\n
\n
let person = { firstName: \"John\", lastName: \"Doe\" };\r\nlet { firstName, lastName } = person;<\/code><\/pre>\n<\/div>\n
7. \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c Rest \u0648 Spread<\/h2>\n
ES5<\/strong>:<\/strong> \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636\u060c rest \u06cc\u0627 spread \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u062f.
\nES6:<\/strong> \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0628\u0631\u0627\u06cc \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062a\u0648\u0627\u0628\u0639\u060c \u067e\u0627\u0631\u0627\u0645\u062a\u0631 ...rest<\/code> \u0628\u0631\u0627\u06cc \u062c\u0645\u0639\u200c\u0622\u0648\u0631\u06cc \u0622\u0631\u06af\u0648\u0645\u0627\u0646\u200c\u0647\u0627 \u0648 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 ...spread<\/code> \u0628\u0631\u0627\u06cc \u06af\u0633\u062a\u0631\u0634 \u0622\u0631\u0627\u06cc\u0647 \u06cc\u0627 \u0634\u06cc\u0621 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f.<\/p>\n
8. \u0645\u0627\u0698\u0648\u0644\u200c\u0647\u0627 (Modules)<\/h2>\n
ES5:<\/strong> \u0633\u06cc\u0633\u062a\u0645 \u0645\u0627\u0698\u0648\u0644 \u0628\u0648\u0645\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a. \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u0632 \u0631\u0627\u0647\u200c\u062d\u0644\u200c\u0647\u0627\u06cc \u0634\u062e\u0635 \u062b\u0627\u0644\u062b \u0645\u0627\u0646\u0646\u062f CommonJS \u06cc\u0627 AMD \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f.
\nES6:<\/strong> \u0633\u06cc\u0633\u062a\u0645 \u0645\u0627\u0698\u0648\u0644 \u0628\u0648\u0645\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 import<\/code> \u0648 export<\/code> \u0645\u0639\u0631\u0641\u06cc \u0634\u062f.<\/p>\n
9. \u0648\u0639\u062f\u0647\u200c\u0647\u0627 (Promises)<\/h2>\n
ES5:<\/strong> \u0627\u0632 callbacks \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u0647\u0645\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u062f.
\nES6:<\/strong> \u0648\u0639\u062f\u0647\u200c\u0647\u0627 (Promises) \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u0647\u0645\u06af\u0627\u0645 \u0628\u0647 \u0634\u06cc\u0648\u0647\u200c\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0645\u0646\u062f\u062a\u0631 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0646\u062f.<\/p>\n
10. \u062d\u0644\u0642\u0647 for-of<\/h2>\n
ES5:<\/strong> \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0631\u0648\u06cc \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u0627\u0632 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc for<\/code> \u06cc\u0627 forEach<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u062f.
\nES6:<\/strong> \u062d\u0644\u0642\u0647 for-of<\/code> \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u0631\u0648\u06cc \u0627\u0634\u06cc\u0627\u0621 \u0642\u0627\u0628\u0644 \u062a\u06a9\u0631\u0627\u0631 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f.<\/p>\n
Set\u060c Map\u060c WeakSet\u060c WeakMap .11<\/h2>\n
ES5:<\/strong> \u0645\u0639\u0627\u062f\u0644 \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a.
\nES6:<\/strong> \u0627\u06cc\u0646 \u0646\u0648\u0639 \u06a9\u0644\u06a9\u0633\u06cc\u0648\u0646\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0646\u062f.<\/p>\n
12. \u0646\u0648\u0639 Symbol<\/h2>\n
ES5:<\/strong> \u0686\u0646\u06cc\u0646 \u0646\u0648\u0639\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a.
\nES6:<\/strong> \u0646\u0648\u0639 Symbol<\/code> \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0634\u0646\u0627\u0633\u0647\u200c\u0647\u0627\u06cc \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f \u0645\u0639\u0631\u0641\u06cc \u0634\u062f.<\/p>\n
13. \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0648 \u0634\u06cc\u0621<\/h2>\n
ES5:<\/strong> \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627.
\nES6:<\/strong> \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0645\u0627\u0646\u0646\u062f Array.from<\/code>\u060c Array.of<\/code>\u060c Object.assign<\/code> \u0648 \u0628\u0633\u06cc\u0627\u0631\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u0646\u062f.<\/p>\n
14. \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627<\/h2>\n
ES5:<\/strong> \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u06cc\u0621 arguments<\/code> \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u062f.
\nES6:<\/strong> \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0632 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 rest<\/code>\u060c default<\/code> \u0648 spread<\/code>.<\/p>\n
\u0646\u062a\u06cc\u062c\u0647<\/h2>\n
\u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u0642\u0627\u06cc\u0633\u0647 \u062f\u0631 \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0627\u0633\u062a. \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0632 ES5 \u0628\u0647 ES6 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0648 \u0628\u0647\u0628\u0648\u062f\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u062f\u0627\u0634\u062a \u06a9\u0647 \u0632\u0628\u0627\u0646 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0686\u0634\u0645\u06af\u06cc\u0631\u06cc \u063a\u0646\u06cc\u200c\u062a\u0631 \u06a9\u0631\u062f. \u0628\u0627 \u06af\u0630\u0634\u062a \u0632\u0645\u0627\u0646\u060c \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0628\u0639\u062f\u06cc (\u0645\u0627\u0646\u0646\u062f ES7\/ES2016 \u0648 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0628\u0639\u062f\u06cc) \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0647 \u0632\u0628\u0627\u0646 \u0627\u0641\u0632\u0648\u062f\u0646\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"\u0645\u0642\u062f\u0645\u0647 ES5 \u0648 ES6 \u0628\u0647 \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f ECMAScript \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0645\u0634\u062e\u0635\u0627\u062a \u0632\u0628\u0627\u0646 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u200c\u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a \u0648 \u0628\u0647…\n","protected":false},"author":1,"featured_media":16489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u064dEs5 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 Es6","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"[]","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,363],"tags":[384],"class_list":{"0":"post-16486","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-programming","9":"tag-java-script"},"yoast_head":"\n14 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u0632\u0631\u06af \u0628\u06cc\u0646 Es5 \u0648 Es6 \u062f\u0631 JavaScript - 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